$(top_srcdir)/ext/swfdec \
$(top_srcdir)/ext/tarkin \
$(top_srcdir)/ext/theora \
- $(top_srcdir)/ext/vp8
+ $(top_srcdir)/ext/vp8 \
+ $(top_srcdir)/sys/mfc
include $(top_srcdir)/common/cruft.mak
fi
])
-dnl *** Video 4 Linux 2 ***
-dnl for information about the header/define, see sys/v4l2/gstv4l2element.h
-dnl renamed to GST_V4L2 because of some conflict with kernel headers
-translit(dnm, m, l) AM_CONDITIONAL(USE_MFC, true)
-AG_GST_CHECK_FEATURE(MFC, [Multi Format Codec], mfc, [
- AC_MSG_CHECKING([Checking for up to date v4l2 installation])
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-#include <sys/types.h>
-#ifdef __sun /* Solaris */
-#include <sys/types.h>
-#include <sys/videodev2.h>
-#elif __FreeBSD__
-#include <linux/videodev2.h>
-#else /* Linux */
-#include <linux/types.h>
-#define _LINUX_TIME_H
-#define __user
-#include <linux/videodev2.h>
-#endif
-#if defined(V4L2_MAJOR_VERSION) || defined(V4L2_MINOR_VERSION)
-#error too early v4l2 version or no v4l2 at all
-#endif
-#if !defined(V4L2_PIX_FMT_H264)
-#error v4l2 version too old
-#endif
- ]], [[
-return 0;
- ]])],[
- HAVE_MFC="yes"
- AC_MSG_RESULT(yes)
- ],[
- HAVE_MFC="no"
- AC_MSG_RESULT(no)
-
- HAVE_VIDEODEV=no
- AC_CHECK_HEADER(linux/videodev2.h, [ HAVE_VIDEODEV=yes ],
- [
- AC_CHECK_HEADER(sys/videodev2.h, [ HAVE_VIDEODEV=yes ])
- ])
-
- if test "x$HAVE_VIDEODEV" = "xyes"; then
- AC_MSG_WARN([video4linux2 headers were found, but they're old.])
- AC_MSG_WARN([Please update v4l2 to compile the MFC plugins])
- else
- AC_MSG_WARN([v4l2 was not found])
- fi
- ])
-])
-
dnl check for Video CD
translit(dnm, m, l) AM_CONDITIONAL(USE_VCD, true)
AG_GST_CHECK_FEATURE(VCD, [Video CD], vcdsrc, [
sys/opensles/Makefile
sys/osxvideo/Makefile
sys/qtwrapper/Makefile
-sys/mfc/Makefile
sys/shm/Makefile
sys/uvch264/Makefile
sys/vcd/Makefile
UVCH264_DIR=
endif
-if USE_MFC
-MFC_DIR=mfc
-else
-MFC_DIR=
-endif
-
-SUBDIRS = $(ACM_DIR) $(ANDROID_MEDIA_DIR) $(APPLE_MEDIA_DIR) $(AVC_DIR) $(BLUEZ_DIR) $(D3DVIDEOSINK_DIR) $(DECKLINK_DIR) $(DIRECTDRAW_DIR) $(DIRECTSOUND_DIR) $(WINKS_DIR) $(DVB_DIR) $(FBDEV_DIR) $(LINSYS_DIR) $(OPENSLES_DIR) $(OSX_VIDEO_DIR) $(PVR_DIR) $(QT_DIR) $(SHM_DIR) $(UVCH264_DIR) $(VCD_DIR) $(VDPAU_DIR) $(WININET_DIR) $(WINSCREENCAP_DIR) $(WASAPI_DIR) $(MFC_DIR)
+SUBDIRS = $(ACM_DIR) $(ANDROID_MEDIA_DIR) $(APPLE_MEDIA_DIR) $(AVC_DIR) $(BLUEZ_DIR) $(D3DVIDEOSINK_DIR) $(DECKLINK_DIR) $(DIRECTDRAW_DIR) $(DIRECTSOUND_DIR) $(WINKS_DIR) $(DVB_DIR) $(FBDEV_DIR) $(LINSYS_DIR) $(OPENSLES_DIR) $(OSX_VIDEO_DIR) $(PVR_DIR) $(QT_DIR) $(SHM_DIR) $(UVCH264_DIR) $(VCD_DIR) $(VDPAU_DIR) $(WININET_DIR) $(WINSCREENCAP_DIR) $(WASAPI_DIR)
DIST_SUBDIRS = acmenc acmmp3dec androidmedia applemedia applemedia-nonpublic avc bluez d3dvideosink decklink directdraw directsound dvb linsys fbdev dshowdecwrapper dshowsrcwrapper dshowvideosink \
- opensles osxvideo pvr2d qtwrapper shm uvch264 vcd vdpau wasapi wininet winks winscreencap mfc
+ opensles osxvideo pvr2d qtwrapper shm uvch264 vcd vdpau wasapi wininet winks winscreencap
include $(top_srcdir)/common/parallel-subdirs.mak
+++ /dev/null
-plugin_LTLIBRARIES = libgstmfc.la
-
-libgstmfc_la_SOURCES = \
- mfc_decoder/mfc_decoder.c \
- fimc/fimc.c \
- gstmfc.c \
- gstmfcdec.c
-
-noinst_HEADERS = \
- mfc_decoder/mfc_decoder.h \
- fimc/fimc.h \
- gstmfcdec.h
-
-libgstmfc_la_CFLAGS = \
- $(GST_PLUGINS_BASE_CFLAGS) \
- $(GST_BASE_CFLAGS) \
- $(GST_CFLAGS) \
- -I$(srcdir)
-libgstmfc_la_LIBADD = \
- $(GST_PLUGINS_BASE_LIBS) \
- -lgstvideo-@GST_API_VERSION@ \
- $(GST_BASE_LIBS) \
- $(GST_LIBS)
-libgstmfc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-libgstmfc_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
-
+++ /dev/null
-/*
- * Copyright (c) 2012 Collabora Ltd.
- * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
- *
- * This library is licensed under 2 different licenses and you
- * can choose to use it under the terms of any one of them. The
- * two licenses are the Apache License 2.0 and the LGPL.
- *
- * Apache License 2.0:
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * LGPL:
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <string.h>
-#include <linux/videodev2.h>
-
-/* for g_atomic_* */
-#include <glib.h>
-
-/* For logging */
-#include <gst/gst.h>
-GST_DEBUG_CATEGORY (fimc_debug);
-#define GST_CAT_DEFAULT fimc_debug
-
-#include "fimc.h"
-
-struct _Fimc
-{
- int fd;
-
- struct v4l2_capability caps;
-
- int set_src;
- int has_src_buffers;
- int streamon_src;
- FimcColorFormat src_format;
- struct v4l2_format src_fmt;
- struct v4l2_crop src_crop;
- struct v4l2_requestbuffers src_requestbuffers;
-
- int set_dst;
- int has_dst_buffers;
- int streamon_dst;
- FimcColorFormat dst_format;
- struct v4l2_format dst_fmt;
- struct v4l2_crop dst_crop;
- struct v4l2_requestbuffers dst_requestbuffers;
-
- struct v4l2_plane dst_planes[3];
- struct v4l2_buffer dst_buffer;
- void *dst_buffer_data[3];
- int dst_buffer_size[3];
-};
-
-#define FIMC_PATH "/dev/video4"
-
-static volatile int fimc_in_use;
-
-void
-fimc_init_debug (void)
-{
- GST_DEBUG_CATEGORY_INIT (fimc_debug, "fimc", 0, "FIMC library");
-}
-
-Fimc *
-fimc_new (void)
-{
- Fimc *fimc;
-
- if (!g_atomic_int_compare_and_exchange (&fimc_in_use, FALSE, TRUE)) {
- GST_ERROR ("Rejected because FIMC is already in use");
- return NULL;
- }
-
- fimc = calloc (1, sizeof (Fimc));
-
- fimc->fd = open (FIMC_PATH, O_RDWR, 0);
- if (fimc->fd == -1) {
- GST_ERROR ("Unable to open FIMC device node: %d", errno);
- fimc_free (fimc);
- return NULL;
- }
-
- /* check capabilities */
-
- if (ioctl (fimc->fd, VIDIOC_QUERYCAP, &fimc->caps) < 0) {
- GST_ERROR ("Unable to query capabilities: %d", errno);
- fimc_free (fimc);
- return NULL;
- }
-
- if ((fimc->caps.capabilities & V4L2_CAP_STREAMING) == 0 ||
- (fimc->caps.capabilities & V4L2_CAP_VIDEO_OUTPUT_MPLANE) == 0 ||
- (fimc->caps.capabilities & V4L2_CAP_VIDEO_CAPTURE_MPLANE) == 0) {
- GST_ERROR ("Required capabilities not available");
- fimc_free (fimc);
- return NULL;
- }
-
- GST_DEBUG ("Created new FIMC context");
-
- return fimc;
-}
-
-void
-fimc_free (Fimc * fimc)
-{
- fimc_release_src_buffers (fimc);
- fimc_release_dst_buffers (fimc);
-
- if (fimc->fd != -1)
- close (fimc->fd);
-
- g_atomic_int_set (&fimc_in_use, FALSE);
- free (fimc);
-}
-
-static int
-fimc_color_format_to_v4l2 (FimcColorFormat format)
-{
- switch (format) {
- case FIMC_COLOR_FORMAT_YUV420SPT:
- return V4L2_PIX_FMT_NV12MT;
- case FIMC_COLOR_FORMAT_YUV420SP:
- return V4L2_PIX_FMT_NV12M;
- case FIMC_COLOR_FORMAT_YUV420P:
- return V4L2_PIX_FMT_YUV420M;
- case FIMC_COLOR_FORMAT_RGB32:
- return V4L2_PIX_FMT_RGB32;
- default:
- break;
- }
-
- return -1;
-}
-
-static int
-fimc_color_format_get_nplanes (FimcColorFormat format)
-{
- switch (format) {
- case FIMC_COLOR_FORMAT_RGB32:
- return 1;
- case FIMC_COLOR_FORMAT_YUV420SPT:
- case FIMC_COLOR_FORMAT_YUV420SP:
- return 2;
- case FIMC_COLOR_FORMAT_YUV420P:
- return 3;
- default:
- break;
- }
-
- return -1;
-}
-
-static int
-fimc_color_format_get_component_height (FimcColorFormat format, int c,
- int height)
-{
- switch (format) {
- case FIMC_COLOR_FORMAT_RGB32:
- return height;
- case FIMC_COLOR_FORMAT_YUV420SPT:
- case FIMC_COLOR_FORMAT_YUV420SP:
- case FIMC_COLOR_FORMAT_YUV420P:
- if (c == 0)
- return height;
- else
- return (height + 1) / 2;
- default:
- break;
- }
-
- return -1;
-}
-
-int
-fimc_set_src_format (Fimc * fimc, FimcColorFormat format, int width, int height,
- int stride[3], int crop_left, int crop_top, int crop_width, int crop_height)
-{
- struct v4l2_format fmt;
- struct v4l2_crop crop;
- struct v4l2_control control;
- int i;
-
- /* Check if something changed */
- if (fimc->set_src &&
- fimc->src_fmt.fmt.pix_mp.width == width &&
- fimc->src_fmt.fmt.pix_mp.height == height &&
- fimc->src_fmt.fmt.pix_mp.pixelformat == fimc_color_format_to_v4l2 (format)
- && fimc->src_crop.c.left == crop_left && fimc->src_crop.c.top == crop_top
- && fimc->src_crop.c.width == crop_width
- && fimc->src_crop.c.height == crop_height) {
- if (fimc->src_fmt.fmt.pix_mp.plane_fmt[0].bytesperline == stride[0] &&
- fimc->src_fmt.fmt.pix_mp.plane_fmt[1].bytesperline == stride[1] &&
- fimc->src_fmt.fmt.pix_mp.plane_fmt[2].bytesperline == stride[2]) {
- GST_DEBUG ("Nothing has changed");
- return 0;
- }
- }
-
- /* Something has changed */
- fimc->set_src = 0;
-
- memset (&fmt, 0, sizeof (fmt));
- memset (&crop, 0, sizeof (crop));
- memset (&control, 0, sizeof (control));
-
- fimc->src_format = format;
-
- fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- fmt.fmt.pix_mp.width = width;
- fmt.fmt.pix_mp.height = height;
- fmt.fmt.pix_mp.pixelformat = fimc_color_format_to_v4l2 (format);
- fmt.fmt.pix_mp.field = V4L2_FIELD_ANY;
- fmt.fmt.pix_mp.num_planes = fimc_color_format_get_nplanes (format);
-
- for (i = 0; i < fmt.fmt.pix_mp.num_planes; i++) {
- fmt.fmt.pix_mp.plane_fmt[i].bytesperline = stride[i];
- fmt.fmt.pix_mp.plane_fmt[i].sizeimage =
- fimc_color_format_get_component_height (format, i, height) * stride[i];
- }
-
- if (ioctl (fimc->fd, VIDIOC_S_FMT, &fmt) < 0) {
- GST_ERROR ("Failed to set src format: %d", errno);
- return -1;
- }
-
- fimc->src_fmt = fmt;
-
- crop.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- crop.c.left = crop_left;
- crop.c.top = crop_top;
- crop.c.width = crop_width;
- crop.c.height = crop_height;
-
- if (ioctl (fimc->fd, VIDIOC_S_CROP, &crop) < 0) {
- GST_ERROR ("Failed to set src crop: %d", errno);
- return -1;
- }
-
- fimc->src_crop = crop;
-
- control.id = V4L2_CID_ROTATE;
- control.value = 0;
-
- if (ioctl (fimc->fd, VIDIOC_S_CTRL, &control) < 0) {
- GST_ERROR ("Failed to set rotation to 0: %d", errno);
- return -1;
- }
-
- fimc->set_src = 1;
-
- return 0;
-}
-
-int
-fimc_request_src_buffers (Fimc * fimc)
-{
- struct v4l2_requestbuffers requestbuffers;
-
- if (fimc->has_dst_buffers) {
- GST_ERROR ("Already have dst buffers");
- return -1;
- }
-
- fimc->has_src_buffers = 0;
-
- memset (&requestbuffers, 0, sizeof (requestbuffers));
-
- requestbuffers.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- requestbuffers.memory = V4L2_MEMORY_USERPTR;
- requestbuffers.count = 1;
-
- if (ioctl (fimc->fd, VIDIOC_REQBUFS, &requestbuffers) < 0) {
- GST_ERROR ("Failed to request src buffers: %d", errno);
- return -1;
- }
-
- fimc->src_requestbuffers = requestbuffers;
-
- if (requestbuffers.count < 1) {
- GST_ERROR ("Got %d buffers instead of %d", requestbuffers.count, 1);
- return -1;
- }
-
- fimc->has_src_buffers = 1;
-
- return 0;
-}
-
-int
-fimc_release_src_buffers (Fimc * fimc)
-{
- enum v4l2_buf_type type;
-
- if (fimc->streamon_src) {
- type = fimc->src_requestbuffers.type;
- if (ioctl (fimc->fd, VIDIOC_STREAMOFF, &type) < 0) {
- GST_ERROR ("Deactivating input stream failed: %d", errno);
- return -1;
- }
- fimc->streamon_src = 0;
- }
-
- /* Nothing to do here now */
- fimc->has_src_buffers = 0;
-
- return 0;
-}
-
-int
-fimc_set_dst_format (Fimc * fimc, FimcColorFormat format, int width, int height,
- int stride[3], int crop_left, int crop_top, int crop_width, int crop_height)
-{
- struct v4l2_format fmt;
- struct v4l2_crop crop;
- struct v4l2_control control;
- int i;
-
- /* Check if something changed */
- if (fimc->set_dst &&
- fimc->dst_fmt.fmt.pix_mp.width == width &&
- fimc->dst_fmt.fmt.pix_mp.height == height &&
- fimc->dst_fmt.fmt.pix_mp.pixelformat == fimc_color_format_to_v4l2 (format)
- && fimc->dst_crop.c.left == crop_left && fimc->dst_crop.c.top == crop_top
- && fimc->dst_crop.c.width == crop_width
- && fimc->dst_crop.c.height == crop_height) {
- if (fimc->dst_fmt.fmt.pix_mp.plane_fmt[0].bytesperline == stride[0] &&
- fimc->dst_fmt.fmt.pix_mp.plane_fmt[1].bytesperline == stride[1] &&
- fimc->dst_fmt.fmt.pix_mp.plane_fmt[2].bytesperline == stride[2]) {
- GST_DEBUG ("Nothing has changed");
- return 0;
- }
- }
-
- /* Something has changed */
- fimc->set_dst = 0;
-
- memset (&fmt, 0, sizeof (fmt));
- memset (&crop, 0, sizeof (crop));
- memset (&control, 0, sizeof (control));
-
- fimc->dst_format = format;
-
- fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- fmt.fmt.pix_mp.width = width;
- fmt.fmt.pix_mp.height = height;
- fmt.fmt.pix_mp.pixelformat = fimc_color_format_to_v4l2 (format);
- fmt.fmt.pix_mp.field = V4L2_FIELD_ANY;
- fmt.fmt.pix_mp.num_planes = fimc_color_format_get_nplanes (format);
-
- for (i = 0; i < fmt.fmt.pix_mp.num_planes; i++) {
- fmt.fmt.pix_mp.plane_fmt[i].bytesperline = stride[i];
- fmt.fmt.pix_mp.plane_fmt[i].sizeimage =
- fimc_color_format_get_component_height (format, i, height) * stride[i];
- }
-
- if (ioctl (fimc->fd, VIDIOC_S_FMT, &fmt) < 0) {
- GST_ERROR ("Failed to set dst format: %d", errno);
- return -1;
- }
-
- fimc->dst_fmt = fmt;
-
- crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- crop.c.left = crop_left;
- crop.c.top = crop_top;
- crop.c.width = crop_width;
- crop.c.height = crop_height;
-
- if (ioctl (fimc->fd, VIDIOC_S_CROP, &crop) < 0) {
- GST_ERROR ("Failed to set dst crop: %d", errno);
- return -1;
- }
-
- fimc->dst_crop = crop;
-
- control.id = V4L2_CID_ROTATE;
- control.value = 0;
-
- if (ioctl (fimc->fd, VIDIOC_S_CTRL, &control) < 0) {
- GST_ERROR ("Failed to set rotation to 0: %d", errno);
- return -1;
- }
-
- fimc->set_dst = 1;
-
- return 0;
-}
-
-int
-fimc_request_dst_buffers (Fimc * fimc)
-{
- struct v4l2_requestbuffers requestbuffers;
-
- if (fimc->has_dst_buffers) {
- GST_ERROR ("Already have dst buffers");
- return -1;
- }
-
- fimc->has_dst_buffers = 0;
-
- memset (&requestbuffers, 0, sizeof (requestbuffers));
-
- requestbuffers.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- requestbuffers.memory = V4L2_MEMORY_USERPTR;
- requestbuffers.count = 1;
-
- if (ioctl (fimc->fd, VIDIOC_REQBUFS, &requestbuffers) < 0) {
- GST_ERROR ("Failed to request dst buffers: %d", errno);
- return -1;
- }
-
- fimc->dst_requestbuffers = requestbuffers;
-
- if (requestbuffers.count < 1) {
- GST_ERROR ("Got %d buffers instead of %d", requestbuffers.count, 1);
- return -1;
- }
-
- fimc->has_dst_buffers = 1;
-
- return 0;
-}
-
-int
-fimc_request_dst_buffers_mmap (Fimc * fimc, void *dst[3], int stride[3])
-{
- struct v4l2_requestbuffers requestbuffers;
- struct v4l2_plane planes[3];
- struct v4l2_buffer buffer;
- int i;
-
- if (fimc->has_dst_buffers) {
- GST_ERROR ("Already have dst buffers");
- return -1;
- }
-
- fimc->has_dst_buffers = 0;
-
- memset (&requestbuffers, 0, sizeof (requestbuffers));
- memset (planes, 0, sizeof (planes));
- memset (&buffer, 0, sizeof (buffer));
-
- requestbuffers.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- requestbuffers.memory = V4L2_MEMORY_MMAP;
- requestbuffers.count = 1;
-
- if (ioctl (fimc->fd, VIDIOC_REQBUFS, &requestbuffers) < 0) {
- GST_ERROR ("Failed to request dst buffers: %d", errno);
- return -1;
- }
-
- fimc->dst_requestbuffers = requestbuffers;
-
- if (requestbuffers.count < 1) {
- GST_ERROR ("Got %d buffers instead of %d", requestbuffers.count, 1);
- return -1;
- }
-
- buffer.type = fimc->dst_requestbuffers.type;
- buffer.memory = fimc->dst_requestbuffers.memory;
- buffer.index = 0;
- buffer.length = fimc_color_format_get_nplanes (fimc->dst_format);
- buffer.m.planes = planes;
-
- if (ioctl (fimc->fd, VIDIOC_QUERYBUF, &buffer) < 0) {
- GST_ERROR ("Query of output buffers failed: %d", errno);
- return -1;
- }
-
- fimc->dst_planes[0] = planes[0];
- fimc->dst_planes[1] = planes[1];
- fimc->dst_planes[2] = planes[2];
- fimc->dst_buffer = buffer;
- fimc->dst_buffer.m.planes = fimc->dst_planes;
-
- for (i = 0; i < buffer.length; i++) {
- fimc->dst_buffer_data[i] =
- mmap (NULL, buffer.m.planes[i].length, PROT_READ | PROT_WRITE,
- MAP_SHARED, fimc->fd, buffer.m.planes[i].m.mem_offset);
-
- if (fimc->dst_buffer_data[i] == MAP_FAILED) {
- GST_ERROR ("Failed to map output buffer %d", i);
- return -1;
- }
- fimc->dst_buffer_size[i] = buffer.m.planes[i].length;
-
- dst[i] = fimc->dst_buffer_data[i];
- stride[i] = fimc->dst_fmt.fmt.pix_mp.plane_fmt[i].bytesperline;
- }
-
- /* FIXME: The device reports wrong strides */
- if (fimc->dst_format == FIMC_COLOR_FORMAT_YUV420P) {
- stride[1] /= 2;
- stride[2] /= 2;
- }
-
- fimc->has_dst_buffers = 1;
-
- return 0;
-}
-
-int
-fimc_release_dst_buffers (Fimc * fimc)
-{
- enum v4l2_buf_type type;
- int i;
-
- if (fimc->streamon_dst) {
- type = fimc->dst_requestbuffers.type;
- if (ioctl (fimc->fd, VIDIOC_STREAMOFF, &type) < 0) {
- GST_ERROR ("Deactivating output stream failed: %d", errno);
- return -1;
- }
- fimc->streamon_dst = 0;
- }
-
- fimc->has_dst_buffers = 0;
-
- for (i = 0; i < 3; i++) {
- if (fimc->dst_buffer_data[i])
- munmap (fimc->dst_buffer_data[i], fimc->dst_buffer_size[i]);
- }
-
- return 0;
-}
-
-int
-fimc_convert (Fimc * fimc, void *src[3], void *dst[3])
-{
- struct v4l2_plane planes[3];
- struct v4l2_buffer buffer;
- enum v4l2_buf_type type;
- int i;
-
- if (!fimc->set_src || !fimc->set_dst ||
- !fimc->has_src_buffers || !fimc->has_dst_buffers) {
- GST_ERROR ("Not configured yet");
- return -1;
- }
-
- memset (planes, 0, sizeof (planes));
- memset (&buffer, 0, sizeof (buffer));
-
- buffer.type = fimc->src_requestbuffers.type;
- buffer.memory = fimc->src_requestbuffers.memory;
- buffer.length = fimc->src_fmt.fmt.pix_mp.num_planes;
- buffer.index = 0;
- buffer.m.planes = planes;
-
- for (i = 0; i < buffer.length; i++) {
- buffer.m.planes[i].length = fimc->src_fmt.fmt.pix_mp.plane_fmt[i].sizeimage;
- buffer.m.planes[i].m.userptr = (unsigned long) src[i];
- }
-
- if (ioctl (fimc->fd, VIDIOC_QBUF, &buffer) < 0) {
- GST_ERROR ("Failed to queue input buffer: %d", errno);
- return -1;
- }
-
- memset (planes, 0, sizeof (planes));
- memset (&buffer, 0, sizeof (buffer));
-
- buffer.type = fimc->dst_requestbuffers.type;
- buffer.memory = fimc->dst_requestbuffers.memory;
- buffer.length = fimc->dst_fmt.fmt.pix_mp.num_planes;
- buffer.index = 0;
- buffer.m.planes = planes;
-
- for (i = 0; i < buffer.length; i++) {
- buffer.m.planes[i].length = fimc->dst_fmt.fmt.pix_mp.plane_fmt[i].sizeimage;
- if (fimc->dst_requestbuffers.memory == V4L2_MEMORY_MMAP)
- buffer.m.planes[i].m.mem_offset = fimc->dst_planes[i].m.mem_offset;
- else
- buffer.m.planes[i].m.userptr = (unsigned long) dst[i];
- }
-
- if (ioctl (fimc->fd, VIDIOC_QBUF, &buffer) < 0) {
- GST_ERROR ("Failed to queue output buffer: %d", errno);
- return -1;
- }
-
- if (!fimc->streamon_src) {
- type = fimc->src_requestbuffers.type;
- if (ioctl (fimc->fd, VIDIOC_STREAMON, &type) < 0) {
- GST_ERROR ("Activating input stream failed: %d", errno);
- return -1;
- }
- fimc->streamon_src = 1;
- }
-
- if (!fimc->streamon_dst) {
- type = fimc->dst_requestbuffers.type;
- if (ioctl (fimc->fd, VIDIOC_STREAMON, &type) < 0) {
- GST_ERROR ("Activating output stream failed: %d", errno);
- return -1;
- }
- fimc->streamon_dst = 1;
- }
-
- memset (planes, 0, sizeof (planes));
- memset (&buffer, 0, sizeof (buffer));
-
- buffer.type = fimc->src_requestbuffers.type;
- buffer.memory = fimc->src_requestbuffers.memory;
- buffer.length = fimc->src_fmt.fmt.pix_mp.num_planes;
- buffer.m.planes = planes;
-
- if (ioctl (fimc->fd, VIDIOC_DQBUF, &buffer) < 0) {
- GST_ERROR ("Failed to dequeue input buffer: %d", errno);
- return -1;
- }
-
- memset (planes, 0, sizeof (planes));
- memset (&buffer, 0, sizeof (buffer));
-
- buffer.type = fimc->dst_requestbuffers.type;
- buffer.memory = fimc->dst_requestbuffers.memory;
- buffer.length = fimc->dst_fmt.fmt.pix_mp.num_planes;
- buffer.m.planes = planes;
-
- if (ioctl (fimc->fd, VIDIOC_DQBUF, &buffer) < 0) {
- GST_ERROR ("Failed to dequeue output buffer: %d", errno);
- return -1;
- }
-
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2012 Collabora Ltd.
- * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
- *
- * This library is licensed under 2 different licenses and you
- * can choose to use it under the terms of any one of them. The
- * two licenses are the Apache License 2.0 and the LGPL.
- *
- * Apache License 2.0:
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * LGPL:
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef __FIMC_H__
-#define __FIMC_H__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct _Fimc Fimc;
-
-typedef enum {
- FIMC_COLOR_FORMAT_YUV420SPT,
- FIMC_COLOR_FORMAT_YUV420SP,
- FIMC_COLOR_FORMAT_YUV420P,
- FIMC_COLOR_FORMAT_RGB32
-} FimcColorFormat;
-
-void fimc_init_debug (void);
-
-Fimc * fimc_new (void);
-void fimc_free (Fimc * fimc);
-
-int fimc_set_src_format (Fimc *fimc, FimcColorFormat format, int width, int height, int stride[3], int crop_left, int crop_top, int crop_width, int crop_height);
-int fimc_request_src_buffers (Fimc *fimc);
-int fimc_release_src_buffers (Fimc *fimc);
-
-int fimc_set_dst_format (Fimc *fimc, FimcColorFormat format, int width, int height, int stride[3], int crop_left, int crop_top, int crop_width, int crop_height);
-int fimc_request_dst_buffers (Fimc *fimc);
-int fimc_request_dst_buffers_mmap (Fimc *fimc, void *dst[3], int stride[3]);
-int fimc_release_dst_buffers (Fimc *fimc);
-
-int fimc_convert (Fimc *fimc, void *src[3], void *dst[3]);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __FIMC_H__ */
+++ /dev/null
-/*
- * Copyright (C) 2012 Collabora Ltd.
- * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include "gstmfcdec.h"
-
-GST_DEBUG_CATEGORY_EXTERN (GST_CAT_PLUGIN_LOADING);
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- struct mfc_dec_context *context;
-
- /* Just check here once if we can create a MFC context, i.e.
- * if the hardware is available */
- mfc_dec_init_debug ();
- context = mfc_dec_create (CODEC_TYPE_H264);
- if (!context) {
- GST_CAT_DEBUG (GST_CAT_PLUGIN_LOADING,
- "Failed to initialize MFC decoder context");
- return TRUE;
- }
- mfc_dec_destroy (context);
-
- if (!gst_element_register (plugin, "mfcdec", GST_RANK_PRIMARY,
- GST_TYPE_MFC_DEC))
- return FALSE;
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- mfc,
- "Samsung Exynos MFC plugin",
- plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
+++ /dev/null
-/*
- * Copyright (C) 2012 Collabora Ltd.
- * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstmfcdec.h"
-
-#include <string.h>
-
-GST_DEBUG_CATEGORY_STATIC (gst_mfc_dec_debug);
-#define GST_CAT_DEFAULT gst_mfc_dec_debug
-
-static gboolean gst_mfc_dec_open (GstVideoDecoder * decoder);
-static gboolean gst_mfc_dec_start (GstVideoDecoder * decoder);
-static gboolean gst_mfc_dec_stop (GstVideoDecoder * decoder);
-static gboolean gst_mfc_dec_set_format (GstVideoDecoder * decoder,
- GstVideoCodecState * state);
-static gboolean gst_mfc_dec_flush (GstVideoDecoder * decoder);
-static GstFlowReturn gst_mfc_dec_finish (GstVideoDecoder * decoder);
-static GstFlowReturn gst_mfc_dec_handle_frame (GstVideoDecoder * decoder,
- GstVideoCodecFrame * frame);
-static gboolean gst_mfc_dec_negotiate (GstVideoDecoder * decoder);
-static gboolean gst_mfc_dec_decide_allocation (GstVideoDecoder * decoder,
- GstQuery * query);
-
-/* *INDENT-OFF* */
-static GstStaticPadTemplate gst_mfc_dec_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-h264, "
- "profile = (string) {constrained-baseline, baseline, main, high}, "
- "parsed = (boolean) true, "
- "width = (int) [32, 1920], "
- "height = (int) [32, 1080], "
- "stream-format = (string) byte-stream, "
- "alignment = (string) au; "
- "video/mpeg, "
- "mpegversion = (int) 4, "
- "profile = (string) {simple, advanced-simple}, "
- "parsed = (boolean) true, "
- "width = (int) [32, 1920], "
- "height = (int) [32, 1080], "
- "systemstream = (boolean) false; "
- "video/x-h263, "
- "variant = (string) itu, "
- "profile = (string) {0, 1, 2, 3}, "
- "parsed = (boolean) true, "
- "width = (int) [32, 1920], "
- "height = (int) [32, 1080]; "
- "video/mpeg, "
- "mpegversion = (int) [1, 2], "
- "parsed = (boolean) true, "
- "width = (int) [32, 1920], "
- "height = (int) [32, 1080], "
- "systemstream = (boolean) false")
- );
-
-static GstStaticPadTemplate gst_mfc_dec_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ NV12, I420, YV12, RGBx }"))
- );
-/* *INDENT-ON* */
-
-#define parent_class gst_mfc_dec_parent_class
-G_DEFINE_TYPE (GstMFCDec, gst_mfc_dec, GST_TYPE_VIDEO_DECODER);
-
-static void
-gst_mfc_dec_class_init (GstMFCDecClass * klass)
-{
- GstElementClass *element_class;
- GstVideoDecoderClass *video_decoder_class;
-
- element_class = (GstElementClass *) klass;
- video_decoder_class = (GstVideoDecoderClass *) klass;
-
- mfc_dec_init_debug ();
- fimc_init_debug ();
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_mfc_dec_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_mfc_dec_sink_template));
-
- gst_element_class_set_static_metadata (element_class,
- "Samsung Exynos MFC decoder",
- "Codec/Decoder/Video",
- "Decode video streams via Samsung Exynos",
- "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
-
- video_decoder_class->open = GST_DEBUG_FUNCPTR (gst_mfc_dec_open);
- video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_mfc_dec_start);
- video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_mfc_dec_stop);
- video_decoder_class->finish = GST_DEBUG_FUNCPTR (gst_mfc_dec_finish);
- video_decoder_class->flush = GST_DEBUG_FUNCPTR (gst_mfc_dec_flush);
- video_decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_mfc_dec_set_format);
- video_decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_mfc_dec_negotiate);
- video_decoder_class->decide_allocation =
- GST_DEBUG_FUNCPTR (gst_mfc_dec_decide_allocation);
- video_decoder_class->handle_frame =
- GST_DEBUG_FUNCPTR (gst_mfc_dec_handle_frame);
-
- GST_DEBUG_CATEGORY_INIT (gst_mfc_dec_debug, "mfcdec", 0,
- "Samsung Exynos MFC Decoder");
-}
-
-static void
-gst_mfc_dec_init (GstMFCDec * self)
-{
- GstVideoDecoder *decoder = (GstVideoDecoder *) self;
-
- gst_video_decoder_set_packetized (decoder, TRUE);
- gst_video_decoder_set_needs_format (decoder, TRUE);
-}
-
-static gboolean
-gst_mfc_dec_open (GstVideoDecoder * decoder)
-{
- GstMFCDec *self = GST_MFC_DEC (decoder);
-
- GST_DEBUG_OBJECT (self, "Opening");
-
- /* Just check here once if we can create a MFC context, i.e.
- * if the hardware is available
- */
- self->context = mfc_dec_create (CODEC_TYPE_H264);
- if (!self->context) {
- GST_ELEMENT_ERROR (self, LIBRARY, INIT,
- ("Failed to initialize MFC decoder context"), (NULL));
- return FALSE;
- }
- mfc_dec_destroy (self->context);
- self->context = NULL;
-
- return TRUE;
-}
-
-static gboolean
-gst_mfc_dec_start (GstVideoDecoder * decoder)
-{
- GstMFCDec *self = GST_MFC_DEC (decoder);
-
- GST_DEBUG_OBJECT (self, "Starting");
-
- self->width = 0;
- self->height = 0;
- self->crop_left = 0;
- self->crop_top = 0;
- self->crop_width = 0;
- self->crop_height = 0;
- self->format = GST_VIDEO_FORMAT_UNKNOWN;
- self->src_stride[0] = 0;
- self->src_stride[1] = 0;
- self->src_stride[2] = 0;
- self->dst[0] = NULL;
- self->dst[1] = NULL;
- self->dst[2] = NULL;
- self->dst_stride[0] = 0;
- self->dst_stride[1] = 0;
- self->dst_stride[2] = 0;
- self->mmap = TRUE;
-
- return TRUE;
-}
-
-static gboolean
-gst_mfc_dec_stop (GstVideoDecoder * video_decoder)
-{
- GstMFCDec *self = GST_MFC_DEC (video_decoder);
-
- GST_DEBUG_OBJECT (self, "Stopping");
-
- gst_buffer_replace (&self->codec_data, NULL);
-
- if (self->input_state) {
- gst_video_codec_state_unref (self->input_state);
- self->input_state = NULL;
- }
-
- if (self->context) {
- mfc_dec_destroy (self->context);
- self->context = NULL;
- }
- self->initialized = FALSE;
-
- if (self->fimc) {
- fimc_free (self->fimc);
- self->fimc = NULL;
- }
-
- GST_DEBUG_OBJECT (self, "Stopped");
-
- return TRUE;
-}
-
-static gboolean
-gst_mfc_dec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state)
-{
- GstMFCDec *self = GST_MFC_DEC (decoder);
- GstStructure *s;
-
- GST_DEBUG_OBJECT (self, "Setting format: %" GST_PTR_FORMAT, state->caps);
-
- if (self->input_state
- && gst_caps_can_intersect (self->input_state->caps, state->caps)) {
- GST_DEBUG_OBJECT (self, "Compatible caps");
- goto done;
- }
-
- s = gst_caps_get_structure (state->caps, 0);
-
- if (self->context) {
- mfc_dec_destroy (self->context);
- self->context = NULL;
- }
- self->initialized = FALSE;
-
- if (gst_structure_has_name (s, "video/x-h264")) {
- self->context = mfc_dec_create (CODEC_TYPE_H264);
- if (!self->context) {
- GST_ELEMENT_ERROR (self, LIBRARY, INIT,
- ("Failed to initialize MFC decoder context"), (NULL));
- return FALSE;
- }
- } else if (gst_structure_has_name (s, "video/mpeg")) {
- gint mpegversion;
-
- if (!gst_structure_get_int (s, "mpegversion", &mpegversion))
- return FALSE;
- if (mpegversion != 1 && mpegversion != 2 && mpegversion != 4)
- return FALSE;
-
- if (mpegversion == 1 || mpegversion == 2) {
- self->context = mfc_dec_create (CODEC_TYPE_MPEG2);
- } else {
- self->context = mfc_dec_create (CODEC_TYPE_MPEG4);
- }
-
- if (!self->context) {
- GST_ELEMENT_ERROR (self, LIBRARY, INIT,
- ("Failed to initialize MFC decoder context"), (NULL));
- return FALSE;
- }
- } else if (gst_structure_has_name (s, "video/x-h263")) {
- self->context = mfc_dec_create (CODEC_TYPE_H263);
- if (!self->context) {
- GST_ELEMENT_ERROR (self, LIBRARY, INIT,
- ("Failed to initialize MFC decoder context"), (NULL));
- return FALSE;
- }
- } else {
- g_return_val_if_reached (FALSE);
- }
-
- if (mfc_dec_init_input (self->context, 1) < 0) {
- GST_ELEMENT_ERROR (self, LIBRARY, INIT,
- ("Failed to initialize MFC decoder context input"), (NULL));
- return FALSE;
- }
-
- gst_buffer_replace (&self->codec_data, state->codec_data);
-
-done:
- if (self->input_state)
- gst_video_codec_state_unref (self->input_state);
- self->input_state = gst_video_codec_state_ref (state);
-
- return TRUE;
-}
-
-static gboolean
-gst_mfc_dec_flush (GstVideoDecoder * decoder)
-{
- GstMFCDec *self = GST_MFC_DEC (decoder);
-
- GST_DEBUG_OBJECT (self, "Flushing");
- if (self->context)
- mfc_dec_flush (self->context);
-
- return TRUE;
-}
-
-static GstFlowReturn
-gst_mfc_dec_queue_input (GstMFCDec * self, GstVideoCodecFrame * frame)
-{
- GstFlowReturn ret = GST_FLOW_OK;
- gint mfc_ret;
- GstBuffer *inbuf = NULL;
- struct mfc_buffer *mfc_inbuf = NULL;
- guint8 *mfc_inbuf_data;
- gint mfc_inbuf_max_size, mfc_inbuf_size = 0;
- GstMapInfo map;
- struct timeval timestamp;
-
- GST_DEBUG_OBJECT (self, "Dequeueing input");
-
- if ((mfc_ret = mfc_dec_dequeue_input (self->context, &mfc_inbuf)) < 0) {
- if (mfc_ret == -2) {
- GST_DEBUG_OBJECT (self, "Timeout dequeueing input, trying again");
- mfc_ret = mfc_dec_dequeue_input (self->context, &mfc_inbuf);
- }
-
- if (mfc_ret < 0)
- goto dequeue_error;
- }
-
- mfc_inbuf_data = (guint8 *) mfc_buffer_get_input_data (mfc_inbuf);
- g_assert (mfc_inbuf_data != NULL);
- mfc_inbuf_max_size = mfc_buffer_get_input_max_size (mfc_inbuf);
-
- GST_DEBUG_OBJECT (self, "Have input buffer %p with max size %d",
- mfc_inbuf_data, mfc_inbuf_max_size);
-
- g_assert (mfc_inbuf != NULL);
-
- if (frame) {
- if (self->codec_data) {
- inbuf = self->codec_data;
- gst_buffer_map (inbuf, &map, GST_MAP_READ);
-
- if ((gsize) mfc_inbuf_max_size < map.size)
- goto too_small_inbuf;
-
- memcpy (mfc_inbuf_data, map.data, map.size);
- mfc_inbuf_size += map.size;
- mfc_inbuf_data += map.size;
- mfc_inbuf_max_size -= map.size;
-
- gst_buffer_unmap (inbuf, &map);
- gst_buffer_replace (&self->codec_data, NULL);
- inbuf = NULL;
- }
-
- inbuf = frame->input_buffer;
- gst_buffer_map (inbuf, &map, GST_MAP_READ);
-
- if ((gsize) mfc_inbuf_max_size < map.size)
- goto too_small_inbuf;
-
- memcpy (mfc_inbuf_data, map.data, map.size);
- mfc_inbuf_size += map.size;
- mfc_inbuf_data += map.size;
- mfc_inbuf_max_size -= map.size;
-
- mfc_buffer_set_input_size (mfc_inbuf, mfc_inbuf_size);
-
- gst_buffer_unmap (inbuf, &map);
- inbuf = NULL;
-
- timestamp.tv_usec = 0;
- timestamp.tv_sec = frame->system_frame_number;
- } else {
- GST_DEBUG_OBJECT (self, "Passing EOS input buffer");
-
- mfc_buffer_set_input_size (mfc_inbuf, 0);
- timestamp.tv_usec = 0;
- timestamp.tv_sec = -1;
- }
-
- if ((mfc_ret =
- mfc_dec_enqueue_input (self->context, mfc_inbuf, ×tamp)) < 0)
- goto enqueue_error;
-
-done:
- return ret;
-
-dequeue_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to dequeue input buffer"), ("mfc_dec_dequeue_input: %d",
- mfc_ret));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-too_small_inbuf:
- {
- GST_ELEMENT_ERROR (self, STREAM, FORMAT, ("Too large input frames"),
- ("Maximum size %d, got %" G_GSIZE_FORMAT, mfc_inbuf_max_size,
- map.size));
- ret = GST_FLOW_ERROR;
- gst_buffer_unmap (inbuf, &map);
- goto done;
- }
-
-enqueue_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to enqueue input buffer"), ("mfc_dec_enqueue_input: %d",
- mfc_ret));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-}
-
-static gboolean
-gst_mfc_dec_create_fimc (GstMFCDec * self, GstVideoCodecState * state)
-{
- Fimc *fimc;
- FimcColorFormat fimc_format;
-
- fimc = self->fimc;
- if (fimc) {
- fimc_free (fimc);
- self->fimc = fimc = NULL;
- }
-
- fimc = fimc_new ();
-
- switch (state->info.finfo->format) {
- case GST_VIDEO_FORMAT_RGBx:
- fimc_format = FIMC_COLOR_FORMAT_RGB32;
- break;
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- fimc_format = FIMC_COLOR_FORMAT_YUV420P;
- break;
- case GST_VIDEO_FORMAT_NV12:
- fimc_format = FIMC_COLOR_FORMAT_YUV420SP;
- break;
- default:
- g_assert_not_reached ();
- break;
- }
-
- if (fimc_set_src_format (fimc, FIMC_COLOR_FORMAT_YUV420SPT, self->width,
- self->height, self->src_stride, self->crop_left, self->crop_top,
- self->crop_width, self->crop_height) < 0)
- goto fimc_src_error;
-
- if (fimc_request_src_buffers (fimc) < 0)
- goto fimc_src_requestbuffers_error;
-
- self->fimc = fimc;
- self->dst[0] = NULL;
- self->dst[1] = NULL;
- self->dst[2] = NULL;
- self->dst_stride[0] = 0;
- self->dst_stride[1] = 0;
- self->dst_stride[2] = 0;
-
- self->fimc_format = fimc_format;
-
- return TRUE;
-
-fimc_src_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to set FIMC source parameters"), (NULL));
- fimc_free (fimc);
- return FALSE;
- }
-
-fimc_src_requestbuffers_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to request FIMC source buffers"), (NULL));
- fimc_free (fimc);
- return FALSE;
- }
-}
-
-static gboolean
-gst_mfc_dec_negotiate (GstVideoDecoder * decoder)
-{
- GstMFCDec *self = GST_MFC_DEC (decoder);
- GstVideoCodecState *state;
- GstCaps *allowed_caps;
- GstVideoFormat format = GST_VIDEO_FORMAT_NV12;
-
- allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_DECODER_SRC_PAD (self));
- allowed_caps = gst_caps_truncate (allowed_caps);
- allowed_caps = gst_caps_fixate (allowed_caps);
- if (!gst_caps_is_empty (allowed_caps)) {
- const gchar *format_str;
- GstStructure *s = gst_caps_get_structure (allowed_caps, 0);
-
- format_str = gst_structure_get_string (s, "format");
- if (format_str)
- format = gst_video_format_from_string (format_str);
- }
- gst_caps_unref (allowed_caps);
-
- self->format = format;
- state =
- gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self),
- self->format, self->crop_width, self->crop_height, self->input_state);
-
- gst_video_codec_state_unref (state);
-
- return GST_VIDEO_DECODER_CLASS (parent_class)->negotiate (decoder);
-}
-
-static GstFlowReturn
-gst_mfc_dec_fill_outbuf (GstMFCDec * self, GstBuffer * outbuf,
- struct mfc_buffer *mfc_outbuf, GstVideoCodecState * state)
-{
- GstFlowReturn ret = GST_FLOW_OK;
- const guint8 *mfc_outbuf_comps[3] = { NULL, };
- gint i, j, h, w, src_stride, dst_stride;
- guint8 *dst_, *src_;
- GstVideoFrame vframe;
- Fimc *fimc = self->fimc;
- gboolean zerocopy, has_cropping;
-
- memset (&vframe, 0, sizeof (vframe));
-
- zerocopy = TRUE;
- /* FIXME: Not 100% correct, we need the memory of each
- * plane to be contiguous at least */
- if (GST_VIDEO_INFO_N_PLANES (&state->info) > gst_buffer_n_memory (outbuf)) {
- zerocopy = FALSE;
- } else {
- gint n = gst_buffer_n_memory (outbuf);
-
- for (i = 0; i < n; i++) {
- GstMemory *mem = gst_buffer_peek_memory (outbuf, i);
-
- if (!GST_MEMORY_IS_PHYSICALLY_CONTIGUOUS (mem)) {
- zerocopy = FALSE;
- break;
- }
- }
- }
-
- has_cropping = self->has_cropping && (self->width != self->crop_width
- || self->height != self->crop_height);
-
- /* We only do cropping if we do zerocopy and downstream
- * supports cropping. For non-zerocopy we can do cropping
- * more efficient.
- * We can't do cropping ourself with zerocopy because
- * FIMC returns EFAULT when queueing the destination
- * buffers
- */
- if (zerocopy && has_cropping) {
- GstVideoCropMeta *crop;
-
- crop = gst_buffer_add_video_crop_meta (outbuf);
- crop->x = self->crop_left;
- crop->y = self->crop_top;
- crop->width = self->crop_width;
- crop->height = self->crop_height;
- }
-
- if (!gst_video_frame_map (&vframe, &state->info, outbuf, GST_MAP_WRITE))
- goto frame_map_error;
-
- mfc_buffer_get_output_data (mfc_outbuf, (void **) &mfc_outbuf_comps[0],
- (void **) &mfc_outbuf_comps[1]);
-
- if (zerocopy && (has_cropping || (self->width == self->crop_width
- && self->height == self->crop_height))) {
- void *dst[3];
-
- if (self->mmap || !self->fimc) {
- if (!gst_mfc_dec_create_fimc (self, state))
- goto fimc_create_error;
-
- fimc = self->fimc;
-
- if (self->format == GST_VIDEO_FORMAT_NV12) {
- self->dst_stride[0] = GST_ROUND_UP_4 (self->width);
- self->dst_stride[1] = GST_ROUND_UP_4 (self->width);
- self->dst_stride[2] = 0;
- } else {
- self->dst_stride[0] = GST_ROUND_UP_4 (self->width);
- self->dst_stride[1] = GST_ROUND_UP_4 ((self->width + 1) / 2);
- self->dst_stride[2] = GST_ROUND_UP_4 ((self->width + 1) / 2);
- }
-
- if (has_cropping) {
- if (fimc_set_dst_format (fimc, self->fimc_format, self->width,
- self->height, self->dst_stride, 0, 0, self->width,
- self->height) < 0)
- goto fimc_dst_error;
- } else {
- if (fimc_set_dst_format (fimc, self->fimc_format, self->width,
- self->height, self->dst_stride, self->crop_left,
- self->crop_top, self->crop_width, self->crop_height) < 0)
- goto fimc_dst_error;
- }
- self->mmap = FALSE;
-
- if (fimc_request_dst_buffers (fimc) < 0)
- goto fimc_dst_requestbuffers_error;
-
- self->dst[0] = NULL;
- self->dst[1] = NULL;
- self->dst[2] = NULL;
- }
-
- dst[0] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 0);
- dst[1] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 1);
- if (self->format == GST_VIDEO_FORMAT_NV12)
- dst[2] = NULL;
- else
- dst[2] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 2);
-
- if (fimc_convert (fimc, (void **) mfc_outbuf_comps, (void **) dst) < 0)
- goto fimc_convert_error;
- } else {
- if (!self->mmap || !self->fimc) {
- if (!gst_mfc_dec_create_fimc (self, state))
- goto fimc_create_error;
-
- self->dst_stride[0] = 0;
- self->dst_stride[1] = 0;
- self->dst_stride[2] = 0;
- self->mmap = TRUE;
- fimc = self->fimc;
- }
-
- if (!self->dst[0]) {
- if (fimc_set_dst_format (fimc, self->fimc_format, self->width,
- self->height, self->dst_stride, self->crop_left,
- self->crop_top, self->crop_width, self->crop_height) < 0)
- goto fimc_dst_error;
-
- if (fimc_request_dst_buffers_mmap (fimc, self->dst, self->dst_stride) < 0)
- goto fimc_dst_requestbuffers_error;
- }
-
- if (fimc_convert (fimc, (void **) mfc_outbuf_comps,
- (void **) self->dst) < 0)
- goto fimc_convert_error;
-
- switch (state->info.finfo->format) {
- case GST_VIDEO_FORMAT_RGBx:
- dst_ = (guint8 *) GST_VIDEO_FRAME_COMP_DATA (&vframe, 0);
- src_ = self->dst[0];
- src_stride = self->dst_stride[0];
- h = GST_VIDEO_FRAME_HEIGHT (&vframe);
- w = GST_VIDEO_FRAME_WIDTH (&vframe);
- dst_stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, 0);
- for (i = 0; i < h; i++) {
- memcpy (dst_, src_, w);
- dst_ += dst_stride;
- src_ += src_stride;
- }
- break;
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- for (j = 0; j < 3; j++) {
- dst_ = (guint8 *) GST_VIDEO_FRAME_COMP_DATA (&vframe, j);
- src_ = self->dst[j];
- src_stride = self->dst_stride[j];
- h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, j);
- w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, j);
- dst_stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, j);
- for (i = 0; i < h; i++) {
- memcpy (dst_, src_, w);
- dst_ += dst_stride;
- src_ += src_stride;
- }
- }
- break;
- case GST_VIDEO_FORMAT_NV12:
- for (j = 0; j < 2; j++) {
- dst_ = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, j);
- src_ = self->dst[j];
- src_stride = self->dst_stride[j];
- h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, j);
- w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, j) * (j == 0 ? 1 : 2);
- dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, j);
- for (i = 0; i < h; i++) {
- memcpy (dst_, src_, w);
- dst_ += dst_stride;
- src_ += src_stride;
- }
- }
- break;
- default:
- g_assert_not_reached ();
- break;
- }
- }
-
-done:
- if (vframe.buffer)
- gst_video_frame_unmap (&vframe);
-
- return ret;
-
-frame_map_error:
- {
- GST_ELEMENT_ERROR (self, CORE, FAILED, ("Failed to map output buffer"),
- (NULL));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-fimc_create_error:
- {
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-fimc_dst_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to set FIMC destination parameters"), (NULL));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-fimc_dst_requestbuffers_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to request FIMC destination buffers"), (NULL));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-fimc_convert_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to convert via FIMC"), (NULL));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-}
-
-static GstFlowReturn
-gst_mfc_dec_dequeue_output (GstMFCDec * self)
-{
- GstFlowReturn ret = GST_FLOW_OK;
- gint mfc_ret;
- GstVideoCodecFrame *frame = NULL;
- GstBuffer *outbuf = NULL;
- struct mfc_buffer *mfc_outbuf = NULL;
- gint width, height;
- gint crop_left, crop_top, crop_width, crop_height;
- gint src_ystride, src_uvstride;
- GstVideoCodecState *state = NULL;
- gint64 deadline;
- struct timeval timestamp;
-
- if (!self->initialized) {
- GST_DEBUG_OBJECT (self, "Initializing decoder");
- if ((mfc_ret = mfc_dec_init_output (self->context, 1)) < 0)
- goto initialize_error;
- self->initialized = TRUE;
- }
-
- while ((mfc_ret = mfc_dec_output_available (self->context)) > 0) {
- GST_DEBUG_OBJECT (self, "Dequeueing output");
-
- mfc_dec_get_output_size (self->context, &width, &height);
- mfc_dec_get_output_stride (self->context, &src_ystride, &src_uvstride);
- mfc_dec_get_crop_size (self->context, &crop_left, &crop_top, &crop_width,
- &crop_height);
-
- GST_DEBUG_OBJECT (self, "Have output: width %d, height %d, "
- "Y stride %d, UV stride %d, "
- "crop_left %d, crop_right %d, "
- "crop_width %d, crop_height %d", width, height, src_ystride,
- src_uvstride, crop_left, crop_top, crop_width, crop_height);
-
- state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (self));
-
- if (!state || self->width != width || self->height != height ||
- self->src_stride[0] != src_ystride
- || self->src_stride[1] != src_uvstride
- || self->crop_left != crop_left || self->crop_top != crop_top
- || self->crop_width != crop_width || self->crop_height != crop_height) {
- self->width = width;
- self->height = height;
- self->crop_left = crop_left;
- self->crop_top = crop_top;
- self->crop_width = crop_width;
- self->crop_height = crop_height;
- self->src_stride[0] = src_ystride;
- self->src_stride[1] = src_uvstride;
- self->src_stride[2] = 0;
-
- if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self)))
- goto negotiate_error;
-
- if (state)
- gst_video_codec_state_unref (state);
- state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (self));
- }
-
- if ((mfc_ret =
- mfc_dec_dequeue_output (self->context, &mfc_outbuf,
- ×tamp)) < 0) {
- if (mfc_ret == -2) {
- GST_DEBUG_OBJECT (self, "Timeout dequeueing output, trying again");
- mfc_ret =
- mfc_dec_dequeue_output (self->context, &mfc_outbuf, ×tamp);
- }
-
- if (mfc_ret < 0)
- goto dequeue_error;
- }
-
- g_assert (mfc_outbuf != NULL);
-
- GST_DEBUG_OBJECT (self, "Got output buffer with ID %ld", timestamp.tv_sec);
-
- frame = NULL;
- if (timestamp.tv_sec != -1)
- frame =
- gst_video_decoder_get_frame (GST_VIDEO_DECODER (self),
- timestamp.tv_sec);
-
- if (frame) {
- deadline =
- gst_video_decoder_get_max_decode_time (GST_VIDEO_DECODER (self),
- frame);
- if (deadline < 0) {
- GST_LOG_OBJECT (self,
- "Dropping too late frame: deadline %" G_GINT64_FORMAT, deadline);
- ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
- frame = NULL;
- outbuf = NULL;
- goto done;
- }
-
- ret =
- gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER (self),
- frame);
-
- if (ret != GST_FLOW_OK)
- goto alloc_error;
-
- outbuf = frame->output_buffer;
- } else {
- GST_WARNING_OBJECT (self, "Didn't find a frame for ID %ld",
- timestamp.tv_sec);
-
- outbuf =
- gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self));
-
- if (!outbuf) {
- ret = GST_FLOW_ERROR;
- goto alloc_error;
- }
- }
-
- ret = gst_mfc_dec_fill_outbuf (self, outbuf, mfc_outbuf, state);
- if (ret != GST_FLOW_OK)
- goto fill_error;
-
- if (frame) {
- ret = gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame);
- frame = NULL;
- outbuf = NULL;
- } else {
- ret = gst_pad_push (GST_VIDEO_DECODER_SRC_PAD (self), outbuf);
- outbuf = NULL;
- }
-
- if (ret != GST_FLOW_OK)
- GST_INFO_OBJECT (self, "Pushing frame returned: %s",
- gst_flow_get_name (ret));
-
- done:
- if (mfc_outbuf) {
- if ((mfc_ret = mfc_dec_enqueue_output (self->context, mfc_outbuf)) < 0)
- goto enqueue_error;
- }
-
- if (!frame && outbuf)
- gst_buffer_unref (outbuf);
- if (frame)
- gst_video_codec_frame_unref (frame);
- if (state)
- gst_video_codec_state_unref (state);
-
- frame = NULL;
- outbuf = NULL;
-
- if (ret != GST_FLOW_OK)
- break;
- }
-
- return ret;
-
-initialize_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, INIT, ("Failed to initialize output"),
- ("mfc_dec_init: %d", mfc_ret));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-negotiate_error:
- {
- GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, ("Failed to negotiate"),
- (NULL));
- ret = GST_FLOW_NOT_NEGOTIATED;
- goto done;
- }
-
-dequeue_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to dequeue output buffer"), ("mfc_dec_dequeue_output: %d",
- mfc_ret));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-alloc_error:
- {
- GST_ELEMENT_ERROR (self, CORE, FAILED, ("Failed to allocate output buffer"),
- (NULL));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-fill_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED, ("Failed to fill output buffer"),
- (NULL));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-
-enqueue_error:
- {
- GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
- ("Failed to enqueue output buffer"), ("mfc_dec_enqueue_output: %d",
- mfc_ret));
- ret = GST_FLOW_ERROR;
- goto done;
- }
-}
-
-static GstFlowReturn
-gst_mfc_dec_finish (GstVideoDecoder * decoder)
-{
- GstMFCDec *self = GST_MFC_DEC (decoder);
- GstFlowReturn ret;
-
- GST_DEBUG_OBJECT (self, "Finishing decoding");
-
- if ((ret = gst_mfc_dec_queue_input (self, NULL)) != GST_FLOW_OK)
- return ret;
-
- return gst_mfc_dec_dequeue_output (self);
-}
-
-static GstFlowReturn
-gst_mfc_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame)
-{
- GstMFCDec *self = GST_MFC_DEC (decoder);
- GstFlowReturn ret = GST_FLOW_OK;
-
- GST_DEBUG_OBJECT (self, "Handling frame %d", frame->system_frame_number);
-
- if ((ret = gst_mfc_dec_queue_input (self, frame)) != GST_FLOW_OK) {
- gst_video_codec_frame_unref (frame);
- return ret;
- }
-
- gst_video_codec_frame_unref (frame);
-
- return gst_mfc_dec_dequeue_output (self);
-}
-
-static gboolean
-gst_mfc_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
-{
- GstMFCDec *self = GST_MFC_DEC (decoder);
- GstBufferPool *pool;
- GstStructure *config;
- guint size, min, max;
-
- if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder,
- query))
- return FALSE;
-
- g_assert (gst_query_get_n_allocation_pools (query) > 0);
- gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
- g_assert (pool != NULL);
-
- self->has_cropping = FALSE;
- config = gst_buffer_pool_get_config (pool);
- if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
- gst_buffer_pool_config_add_option (config,
- GST_BUFFER_POOL_OPTION_VIDEO_META);
- self->has_cropping =
- gst_query_find_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE,
- NULL);
- }
-
- if (self->has_cropping) {
- GstVideoInfo info;
- GstCaps *caps;
-
- /* Calculate uncropped size */
- gst_buffer_pool_config_get_params (config, &caps, &size, &min, &max);
- gst_video_info_from_caps (&info, caps);
- gst_video_info_set_format (&info, self->format, self->width, self->height);
- size = MAX (size, info.size);
- caps = gst_video_info_to_caps (&info);
- gst_buffer_pool_config_set_params (config, caps, size, min, max);
- gst_caps_unref (caps);
- }
-
- gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
-
- gst_buffer_pool_set_config (pool, config);
- gst_object_unref (pool);
-
- return TRUE;
-}
+++ /dev/null
-/*
- * Copyright (C) 2012 Collabora Ltd.
- * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef __GST_MFC_DEC_H__
-#define __GST_MFC_DEC_H__
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <gst/video/gstvideodecoder.h>
-#include <gst/video/gstvideometa.h>
-#include <gst/video/gstvideopool.h>
-
-#include "mfc_decoder/mfc_decoder.h"
-#include "fimc/fimc.h"
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_MFC_DEC \
- (gst_mfc_dec_get_type())
-#define GST_MFC_DEC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MFC_DEC,GstMFCDec))
-#define GST_MFC_DEC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MFC_DEC,GstMFCDecClass))
-#define GST_IS_MFC_DEC(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MFC_DEC))
-#define GST_IS_MFC_DEC_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MFC_DEC))
-
-typedef struct _GstMFCDec GstMFCDec;
-typedef struct _GstMFCDecClass GstMFCDecClass;
-
-struct _GstMFCDec
-{
- GstVideoDecoder parent;
-
- /* < private > */
- GstVideoCodecState *input_state;
- struct mfc_dec_context* context;
- gboolean initialized;
- GstBuffer *codec_data;
-
- gboolean has_cropping;
-
- GstVideoFormat format;
- FimcColorFormat fimc_format;
- Fimc *fimc;
- gint width, height;
- gint crop_left, crop_top;
- gint crop_width, crop_height;
- int src_stride[3];
-
- void *dst[3];
- int dst_stride[3];
- gboolean mmap;
-};
-
-struct _GstMFCDecClass
-{
- GstVideoDecoderClass parent_class;
-};
-
-GType gst_mfc_dec_get_type (void);
-
-G_END_DECLS
-
-#endif /* __GST_MFC_DEC_H__ */
+++ /dev/null
-/*
- * Copyright (c) 2012 FXI Technologies
- *
- * This library is licensed under 2 different licenses and you
- * can choose to use it under the terms of any one of them. The
- * two licenses are the Apache License 2.0 and the LGPL.
- *
- * Apache License 2.0:
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * LGPL:
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-/*
- * Author: Haavard Kvaalen <havardk@fxitech.com>
- */
-
-#include "mfc_decoder.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <poll.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <linux/videodev2.h>
-
-/* For logging */
-#include <gst/gst.h>
-GST_DEBUG_CATEGORY (mfc_decoder_debug);
-#define GST_CAT_DEFAULT mfc_decoder_debug
-
-#define MAX_DECODER_INPUT_BUFFER_SIZE (1024 * 3072)
-#define NUM_INPUT_PLANES 1
-#define NUM_OUTPUT_PLANES 2
-#define MAX_DECODING_TIME 50
-#define MFC_PATH "/dev/video8"
-
-static int mfc_in_use;
-
-/* Protects the mfc_in_use variable */
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
-struct mfc_dec_context {
- int fd;
- int num_input_buffers;
- int num_output_buffers;
- struct mfc_buffer *input_buffer;
- struct mfc_buffer *output_buffer;
-
- int input_streamon, output_streamon;
-
- /*
- * Number of decoded frames the MFC needs to have access to to
- * decode correctly.
- */
- int required_output_buffers;
- int has_free_input_buffers;
- /*
- * Number of frames that have been decoded. We cannot return them
- * if this number is less than required_output_buffers.
- */
- int output_frames_available;
- int input_frames_queued;
- /* We have reached end of stream */
- int eos_reached;
- struct {
- int w;
- int h;
- } output_size;
- struct {
- int left;
- int top;
- int w;
- int h;
- } crop_size;
- int output_stride[NUM_OUTPUT_PLANES];
-};
-
-struct mfc_buffer {
- struct {
- int length;
- int bytesused;
- void *data;
- } plane[2];
- int index;
- int state;
-};
-
-
-enum {
- BUFFER_FREE,
- BUFFER_ENQUEUED,
- BUFFER_DEQUEUED,
-};
-
-static unsigned int to_v4l2_codec(enum mfc_codec_type codec)
-{
- switch (codec) {
- case CODEC_TYPE_H264:
- return V4L2_PIX_FMT_H264;
- case CODEC_TYPE_VC1:
- return V4L2_PIX_FMT_VC1_ANNEX_G;
- case CODEC_TYPE_VC1_RCV:
- return V4L2_PIX_FMT_VC1_ANNEX_L;
- case CODEC_TYPE_MPEG4:
- return V4L2_PIX_FMT_MPEG4;
- case CODEC_TYPE_MPEG1:
- return V4L2_PIX_FMT_MPEG1;
- case CODEC_TYPE_MPEG2:
- return V4L2_PIX_FMT_MPEG2;
- case CODEC_TYPE_H263:
- return V4L2_PIX_FMT_H263;
- }
- GST_ERROR ("Invalid codec type %d", codec);
- return 0;
-}
-
-int mfc_dec_set_codec(struct mfc_dec_context *ctx, enum mfc_codec_type codec)
-{
- int ret;
- struct v4l2_format fmt = {
- .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
- .fmt = {
- .pix_mp = {
- .num_planes = 1,
- .plane_fmt = {
- [0] = {
- .sizeimage = MAX_DECODER_INPUT_BUFFER_SIZE,
- },
- },
- },
- },
- };
- fmt.fmt.pix_mp.pixelformat = to_v4l2_codec(codec);
-
- ret = ioctl(ctx->fd, VIDIOC_S_FMT, &fmt);
- if (ret)
- GST_ERROR ("Unable to set input format");
- return ret;
-}
-
-static int request_input_buffers(struct mfc_dec_context *ctx, int num)
-{
- struct v4l2_requestbuffers reqbuf = {
- .count = num,
- .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
- .memory = V4L2_MEMORY_MMAP,
- };
- int i;
-
- ctx->input_buffer = calloc(num, sizeof (struct mfc_buffer));
- if (!ctx->input_buffer) {
- GST_ERROR ("Failed to allocate space for input buffer meta data");
- return -1;
- }
-
- if (ioctl(ctx->fd, VIDIOC_REQBUFS, &reqbuf) < 0) {
- GST_ERROR ("Unable to request input buffers");
- return -1;
- }
- ctx->num_input_buffers = reqbuf.count;
- GST_INFO ("Requested %d input buffers, got %d", num, reqbuf.count);
- for (i = 0; i < num; i++) {
- void *ptr;
- struct v4l2_plane planes[NUM_INPUT_PLANES] = {{.length = 0}};
- struct v4l2_buffer buffer = {
- .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
- .memory = V4L2_MEMORY_MMAP,
- .index = i,
- .length = NUM_INPUT_PLANES,
- .m = {
- .planes = planes,
- },
- };
- if (ioctl(ctx->fd, VIDIOC_QUERYBUF, &buffer) < 0) {
- GST_ERROR ("Query of input buffer failed");
- return -1;
- }
- ptr = mmap(NULL, buffer.m.planes[0].length, PROT_READ | PROT_WRITE,
- MAP_SHARED, ctx->fd, buffer.m.planes[0].m.mem_offset);
- if (ptr == MAP_FAILED) {
- GST_ERROR ("Failed to map input buffer");
- return -1;
- }
- ctx->input_buffer[i].plane[0].length = planes[0].length;
- ctx->input_buffer[i].plane[0].data = ptr;
- ctx->input_buffer[i].index = i;
- ctx->input_buffer[i].state = BUFFER_FREE;
- }
- ctx->has_free_input_buffers = 1;
- return 0;
-}
-
-static int request_output_buffers(struct mfc_dec_context *ctx, int num)
-{
- struct v4l2_requestbuffers reqbuf = {
- .count = num,
- .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
- .memory = V4L2_MEMORY_MMAP,
- };
- int i;
-
- ctx->output_buffer = calloc(num, sizeof (struct mfc_buffer));
- if (!ctx->output_buffer) {
- GST_ERROR ("Failed to allocate space for output buffer meta data");
- return -1;
- }
-
- if (ioctl(ctx->fd, VIDIOC_REQBUFS, &reqbuf) < 0) {
- GST_ERROR ("Unable to request output buffers");
- return -1;
- }
- ctx->num_output_buffers = reqbuf.count;
- GST_INFO ("Requested %d output buffers, got %d", num, reqbuf.count);
- for (i = 0; i < ctx->num_output_buffers; i++) {
- int p;
- struct v4l2_plane planes[NUM_OUTPUT_PLANES] = {{.length = 0}};
- struct v4l2_buffer buffer = {
- .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
- .memory = V4L2_MEMORY_MMAP,
- .index = i,
- .length = NUM_OUTPUT_PLANES,
- .m = {
- .planes = planes,
- },
- };
- ctx->output_buffer[i].index = i;
- if (ioctl(ctx->fd, VIDIOC_QUERYBUF, &buffer) < 0) {
- GST_ERROR ("Query of output buffer failed");
- return -1;
- }
- for (p = 0; p < NUM_OUTPUT_PLANES; p++) {
- void *ptr = mmap(NULL, buffer.m.planes[p].length,
- PROT_READ | PROT_WRITE, MAP_SHARED,
- ctx->fd, buffer.m.planes[p].m.mem_offset);
- if (ptr == MAP_FAILED) {
- GST_ERROR ("Failed to map output buffer");
- return -1;
- }
- ctx->output_buffer[i].plane[p].length = planes[p].length;
- ctx->output_buffer[i].plane[p].data = ptr;
- }
- if (mfc_dec_enqueue_output(ctx, &ctx->output_buffer[i]) < 0)
- return -1;
- }
- return 0;
-}
-
-struct mfc_dec_context* mfc_dec_create(unsigned int codec)
-{
- struct mfc_dec_context *ctx;
- struct v4l2_capability caps;
- struct stat sb;
-
- pthread_mutex_lock(&mutex);
- if (mfc_in_use) {
- GST_ERROR ("Rejected because MFC is already in use");
- pthread_mutex_unlock(&mutex);
- return NULL;
- }
- mfc_in_use = 1;
- pthread_mutex_unlock(&mutex);
-
- ctx = calloc(1, sizeof (struct mfc_dec_context));
- if (!ctx) {
- GST_ERROR ("Unable to allocate memory for context");
- goto early_error;
- }
- ctx->output_frames_available = 0;
-
- if (stat (MFC_PATH, &sb) < 0) {
- GST_INFO ("MFC device node doesn't exist, failing quietly");
- free(ctx);
- goto early_error;
- }
-
- GST_INFO ("Opening MFC device node at: %s", MFC_PATH);
- ctx->fd = open(MFC_PATH, O_RDWR, 0);
- if (ctx->fd == -1) {
- GST_WARNING ("Unable to open MFC device node: %d", errno);
- free(ctx);
- goto early_error;
- }
-
- if (ioctl (ctx->fd, VIDIOC_QUERYCAP, &caps) < 0) {
- GST_ERROR ("Unable to query capabilities: %d", errno);
- mfc_dec_destroy(ctx);
- return NULL;
- }
-
- if ((caps.capabilities & V4L2_CAP_STREAMING) == 0 ||
- (caps.capabilities & V4L2_CAP_VIDEO_OUTPUT_MPLANE) == 0 ||
- (caps.capabilities & V4L2_CAP_VIDEO_CAPTURE_MPLANE) == 0) {
- GST_ERROR ("Required capabilities not available");
- mfc_dec_destroy(ctx);
- return NULL;
- }
-
- if (mfc_dec_set_codec(ctx, codec) < 0) {
- mfc_dec_destroy(ctx);
- return NULL;
- }
- return ctx;
-
-early_error:
- pthread_mutex_lock(&mutex);
- mfc_in_use = 0;
- pthread_mutex_unlock(&mutex);
- return NULL;
-}
-
-static int get_output_format(struct mfc_dec_context *ctx)
-{
- int i;
- struct v4l2_format fmt = {
- .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
- };
-
- if (ioctl(ctx->fd, VIDIOC_G_FMT, &fmt) < 0) {
- GST_ERROR ("Failed to get output format");
- return -1;
- }
-
- ctx->output_size.w = fmt.fmt.pix_mp.width;
- ctx->output_size.h = fmt.fmt.pix_mp.height;
-
- for (i = 0; i < NUM_OUTPUT_PLANES; i++)
- ctx->output_stride[i] = fmt.fmt.pix_mp.plane_fmt[i].bytesperline;
-
- return 0;
-}
-
-static int get_crop_data(struct mfc_dec_context *ctx)
-{
- struct v4l2_crop crop = {
- .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
- };
- if (ioctl(ctx->fd, VIDIOC_G_CROP, &crop) < 0) {
- GST_ERROR ("Unable to get crop data");
- return -1;
- }
- ctx->crop_size.left = crop.c.left;
- ctx->crop_size.top = crop.c.top;
- ctx->crop_size.w = crop.c.width;
- ctx->crop_size.h = crop.c.height;
- return 0;
-}
-
-static int get_minimum_output_buffers(struct mfc_dec_context *ctx)
-{
- struct v4l2_control ctrl = {
- .id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
- };
- if (ioctl(ctx->fd, VIDIOC_G_CTRL, &ctrl) < 0) {
- GST_ERROR ("Failed to get number of output buffers required");
- return -1;
- }
- ctx->required_output_buffers = ctrl.value + 1;
- return 0;
-}
-
-static int start_input_stream(struct mfc_dec_context *ctx)
-{
- int type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- if (ioctl(ctx->fd, VIDIOC_STREAMON, &type) < 0) {
- GST_ERROR ("Unable to start input stream");
- return -1;
- }
- ctx->input_streamon = 1;
- return 0;
-}
-
-static int start_output_stream(struct mfc_dec_context *ctx)
-{
- int type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- if (ioctl(ctx->fd, VIDIOC_STREAMON, &type) < 0) {
- GST_ERROR ("Unable to start output stream");
- return -1;
- }
- ctx->output_streamon = 1;
- return 0;
-}
-
-int mfc_dec_init_input(struct mfc_dec_context *ctx, int num_input_buffers)
-{
- if (request_input_buffers(ctx, num_input_buffers) < 0)
- return -1;
-
- return 0;
-}
-
-int mfc_dec_init_output(struct mfc_dec_context *ctx, int extra_buffers)
-{
- if (start_input_stream(ctx) < 0)
- return -1;
-
- if (get_output_format(ctx) ||
- get_crop_data(ctx) ||
- get_minimum_output_buffers(ctx))
- return -1;
-
- if (request_output_buffers(ctx, ctx->required_output_buffers + extra_buffers))
- return -1;
-
- if (start_output_stream(ctx) < 0)
- return -1;
-
- return 0;
-}
-
-void mfc_dec_get_output_size(struct mfc_dec_context *ctx, int *w, int *h)
-{
- *w = ctx->output_size.w;
- *h = ctx->output_size.h;
-}
-
-void mfc_dec_get_output_stride(struct mfc_dec_context *ctx, int *ystride, int *uvstride)
-{
- *ystride = ctx->output_stride[0];
- *uvstride = ctx->output_stride[1];
-}
-
-void mfc_dec_get_crop_size(struct mfc_dec_context *ctx,
- int *left, int *top, int *w, int *h)
-{
- *left = ctx->crop_size.left;
- *top = ctx->crop_size.top;
- *w = ctx->crop_size.w;
- *h = ctx->crop_size.h;
-}
-
-void mfc_dec_destroy(struct mfc_dec_context *ctx)
-{
- int i;
- int type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
-
- if (ctx->output_streamon)
- if (ioctl(ctx->fd, VIDIOC_STREAMOFF, &type) < 0)
- GST_ERROR ("Streamoff failed on output");
- ctx->output_streamon = 0;
-
- type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
- if (ctx->input_streamon)
- if (ioctl(ctx->fd, VIDIOC_STREAMOFF, &type) < 0)
- GST_ERROR ("Streamoff failed on input");
- ctx->input_streamon = 0;
-
- for (i = 0; i < ctx->num_input_buffers; i++) {
- if (ctx->input_buffer[i].plane[0].data)
- munmap(ctx->input_buffer[i].plane[0].data,
- ctx->input_buffer[i].plane[0].length);
- }
- for (i = 0; i < ctx->num_output_buffers; i++) {
- int j;
- for (j = 0; j < NUM_OUTPUT_PLANES; j++)
- if (ctx->output_buffer[i].plane[j].data)
- munmap(ctx->output_buffer[i].plane[j].data,
- ctx->output_buffer[i].plane[j].length);
- }
- if (ctx->input_buffer)
- free (ctx->input_buffer);
- if (ctx->output_buffer)
- free (ctx->output_buffer);
-
- close(ctx->fd);
- pthread_mutex_lock(&mutex);
- mfc_in_use = 0;
- pthread_mutex_unlock(&mutex);
- GST_INFO ("MFC device closed");
- free(ctx);
-}
-
-int mfc_dec_enqueue_input(struct mfc_dec_context *ctx, struct mfc_buffer *buffer, struct timeval *timestamp)
-{
- struct v4l2_plane planes[NUM_INPUT_PLANES] = {
- [0] = {
- .bytesused = buffer->plane[0].bytesused,
- },
- };
- struct v4l2_buffer qbuf = {
- .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
- .memory = V4L2_MEMORY_MMAP,
- .index = buffer->index,
- .length = NUM_INPUT_PLANES,
- .m = {
- .planes = planes,
- },
- };
-
- if (timestamp)
- qbuf.timestamp = *timestamp;
-
- if (ioctl(ctx->fd, VIDIOC_QBUF, &qbuf) < 0) {
- GST_ERROR ("Enqueuing of input buffer %d failed; prev state: %d",
- buffer->index, buffer->state);
- return -1;
- }
-
- ctx->input_frames_queued++;
- buffer->state = BUFFER_ENQUEUED;
- if (buffer->plane[0].bytesused == 0)
- ctx->eos_reached = 1;
- return 0;
-}
-
-static int input_dqbuf(struct mfc_dec_context *ctx, struct mfc_buffer **buffer)
-{
- struct v4l2_plane planes[NUM_INPUT_PLANES] = {{.length = 0}};
- struct v4l2_buffer qbuf = {
- .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
- .memory = V4L2_MEMORY_MMAP,
- .length = NUM_INPUT_PLANES,
- .m = {
- .planes = planes,
- }
- };
- struct pollfd fd = {
- .fd = ctx->fd,
- .events = POLLOUT | POLLERR,
- };
- int pollret;
-
- pollret = poll(&fd, 1, MAX_DECODING_TIME);
- if (pollret < 0) {
- GST_ERROR ("%s: Poll returned error: %d", __func__, errno);
- return -1;
- }
- if (pollret == 0) {
- GST_INFO ("%s: timed out", __func__);
- return -2;
- }
-
- if (ioctl(ctx->fd, VIDIOC_DQBUF, &qbuf) < 0) {
- GST_ERROR ("Dequeuing failed");
- return -1;
- }
- ctx->input_buffer[qbuf.index].plane[0].bytesused = 0;
- *buffer = &ctx->input_buffer[qbuf.index];
- ctx->output_frames_available++;
- ctx->input_frames_queued--;
- return 0;
-}
-
-int mfc_dec_dequeue_input(struct mfc_dec_context *ctx, struct mfc_buffer **buffer)
-{
- if (ctx->has_free_input_buffers) {
- int i;
- *buffer = NULL;
- for (i = 0; i < ctx->num_input_buffers; i++) {
- if (ctx->input_buffer[i].state == BUFFER_FREE)
- *buffer = &ctx->input_buffer[i];
- }
- if (!*buffer) {
- int ret;
- ctx->has_free_input_buffers = 0;
- if ((ret = input_dqbuf(ctx, buffer)) < 0)
- return ret;
- }
- } else {
- int ret = input_dqbuf(ctx, buffer);
- if (ret < 0)
- return ret;
- }
- (*buffer)->state = BUFFER_DEQUEUED;
- return 0;
-}
-
-static int release_input_buffer(struct mfc_dec_context *ctx)
-{
- struct mfc_buffer *buffer;
- struct pollfd fd = {
- .fd = ctx->fd,
- .events = POLLOUT | POLLERR,
- };
- int pollret;
-
- if (ctx->input_frames_queued == 0) {
- GST_INFO ("Nothing to release!");
- return -1;
- }
-
- pollret = poll(&fd, 1, MAX_DECODING_TIME);
- if (pollret < 0) {
- GST_ERROR ("%s: Poll returned error: %d", __func__, errno);
- return -1;
- }
- if (pollret == 0) {
- GST_INFO ("%s: timed out", __func__);
- return -2;
- }
-
- GST_DEBUG ("releasing frame; frames queued: %d", ctx->input_frames_queued);
- input_dqbuf(ctx, &buffer);
- buffer->state = BUFFER_FREE;
- ctx->has_free_input_buffers = 1;
- return 0;
-}
-
-int mfc_dec_enqueue_output(struct mfc_dec_context *ctx, struct mfc_buffer *buffer)
-{
- struct v4l2_plane planes[NUM_OUTPUT_PLANES] = {{.length = 0}};
- struct v4l2_buffer qbuf = {
- .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
- .memory = V4L2_MEMORY_MMAP,
- .index = buffer->index,
- .length = NUM_OUTPUT_PLANES,
- .m = {
- .planes = planes,
- },
- };
- if (ioctl(ctx->fd, VIDIOC_QBUF, &qbuf) < 0) {
- GST_ERROR ("Enqueuing of output buffer %d failed; prev state: %d",
- buffer->index, buffer->state);
- return -1;
- }
- buffer->state = BUFFER_ENQUEUED;
- return 0;
-}
-
-int mfc_dec_dequeue_output(struct mfc_dec_context *ctx, struct mfc_buffer **buffer, struct timeval *timestamp)
-{
- int i;
- struct v4l2_plane planes[NUM_OUTPUT_PLANES];
- struct v4l2_buffer qbuf = {
- .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
- .memory = V4L2_MEMORY_MMAP,
- .m = {
- .planes = planes,
- },
- .length = NUM_OUTPUT_PLANES,
- };
-
- if (ioctl(ctx->fd, VIDIOC_DQBUF, &qbuf) < 0) {
- GST_ERROR ("Dequeuing failed");
- return -1;
- }
-
- for (i = 0; i < NUM_OUTPUT_PLANES; i++)
- ctx->output_buffer[qbuf.index].plane[i].bytesused = qbuf.m.planes[i].bytesused;
-
- *buffer = &(ctx->output_buffer[qbuf.index]);
-
- if (timestamp)
- *timestamp = qbuf.timestamp;
-
- ctx->output_frames_available--;
- return 0;
-}
-
-int mfc_dec_output_available(struct mfc_dec_context *ctx)
-{
- if (ctx->eos_reached) {
- if (ctx->input_frames_queued > 0 &&
- ctx->output_frames_available <= ctx->required_output_buffers) {
- release_input_buffer(ctx);
- }
-
- return ctx->output_frames_available > 0;
- }
- return ctx->output_frames_available >= ctx->required_output_buffers;
-}
-
-int mfc_dec_flush(struct mfc_dec_context *ctx)
-{
- int type, i;
- int force_dequeue_output = 0;
- while (ctx->input_frames_queued > 0) {
- int status;
- struct mfc_buffer *buffer;
- /* Make sure there is room for the decode to finish */
- if (mfc_dec_output_available(ctx) || force_dequeue_output) {
- if (mfc_dec_dequeue_output(ctx, &buffer, NULL) < 0)
- return -1;
- if (mfc_dec_enqueue_output(ctx, buffer) < 0)
- return -1;
- force_dequeue_output = 0;
- }
-
- status = release_input_buffer(ctx);
- if (status == -2)
- force_dequeue_output = 1;
- if (status == -1)
- break;
- }
-
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
- if (ioctl(ctx->fd, VIDIOC_STREAMOFF, &type) < 0) {
- GST_ERROR ("Unable to stop output stream");
- return -1;
- }
-
- for (i = 0; i < ctx->num_output_buffers; i++) {
- if (ctx->output_buffer[i].state == BUFFER_ENQUEUED)
- if (mfc_dec_enqueue_output(ctx, &ctx->output_buffer[i]) < 0)
- return -1;
- }
-
- if (start_output_stream(ctx) < 0)
- return -1;
-
- ctx->output_frames_available = 0;
- ctx->eos_reached = 0;
-
- return 0;
-}
-
-void* mfc_buffer_get_input_data(struct mfc_buffer *buffer)
-{
- return buffer->plane[0].data;
-}
-
-int mfc_buffer_get_input_max_size(struct mfc_buffer *buffer)
-{
- return buffer->plane[0].length;
-}
-
-
-void mfc_buffer_set_input_size(struct mfc_buffer *buffer, int size)
-{
- buffer->plane[0].bytesused = size;
-}
-
-void mfc_buffer_get_output_data(struct mfc_buffer *buffer,
- void **ybuf, void **uvbuf)
-{
- *ybuf = buffer->plane[0].data;
- *uvbuf = buffer->plane[1].data;
-}
-
-void mfc_dec_init_debug (void)
-{
- GST_DEBUG_CATEGORY_INIT (mfc_decoder_debug, "mfc_decoder", 0, "MFC decoder library");
-}
+++ /dev/null
-/*
- * Copyright (c) 2012 FXI Technologies
- *
- * This library is licensed under 2 different licenses and you
- * can choose to use it under the terms of any one of them. The
- * two licenses are the Apache License 2.0 and the LGPL.
- *
- * Apache License 2.0:
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * LGPL:
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-/*
- * Author: Haavard Kvaalen <havardk@fxitech.com>
- */
-
-/*
- * Interface for decoding of various video formats using the Samsung
- * Multi-Format Video Codec (MFC).
- */
-
-#ifndef VIDEO_EXYNOS4_MFC_V4L2_INCLUDE_MFC_DECODER_H
-#define VIDEO_EXYNOS4_MFC_V4L2_INCLUDE_MFC_DECODER_H
-
-#include <sys/time.h>
-
-struct mfc_buffer;
-struct mfc_dec_context;
-
-enum mfc_codec_type {
- CODEC_TYPE_H264,
- CODEC_TYPE_VC1, /* VC1 advanced profile */
- CODEC_TYPE_VC1_RCV, /* VC1 simple/main profile */
- CODEC_TYPE_MPEG4,
- CODEC_TYPE_MPEG1,
- CODEC_TYPE_MPEG2,
- CODEC_TYPE_H263,
-};
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void mfc_dec_init_debug (void);
-
-/*
- * Open the MFC decoding device node, and allocate input buffers.
- *
- * Returns a mfc_dec_context. Note that the context can only be used
- * for decoding one stream, i.e. mfc_dec_init can only be called once.
- *
- * Args:
- * codec: Codec type (this can later be changed with mfc_set_codec()).
- * num_input_buffers: Numbers of input buffers. There is never any
- * need to enqueue more than one buffer for correct decoding.
- *
- * Returns: A new mfc_dec_context if successful, NULL on error. This
- * context is needed for most other calls below, and should be
- * deallocated with mfc_dec_destroy().
- */
-struct mfc_dec_context* mfc_dec_create(enum mfc_codec_type codec);
-
-int mfc_dec_init_input(struct mfc_dec_context*, int num_input_buffers);
-
-/*
- * Destroy context created with mfc_dec_create().
- */
-void mfc_dec_destroy(struct mfc_dec_context*);
-
-/*
- * Initialize video decode. Before this function is called, the
- * initial input frame (which contains the header) must be enqueued.
- *
- * This function allocate output buffers. All output buffers will be
- * enqueued initially. The actual number of output buffers depend on the
- *
- * Args:
- * extra_buffers: Numbers of output buffers that can be kept
- * dequeued at any time.
- *
- * Returns: Zero for success, negative value on failure.
- */
-int mfc_dec_init_output(struct mfc_dec_context*, int extra_buffers);
-
-
-/*
- * This function may be called only before mfc_dec_init(). It is only
- * necessary to call if the codec type is different from the one
- * supplied to mfc_dec_create().
- *
- * Args:
- * codec: Codec type
- *
- * Returns: Zero for success, negative value on failure.
- */
-int mfc_dec_set_codec(struct mfc_dec_context*, enum mfc_codec_type codec);
-
-
-/*
- * Get size of image output from the MFC. The data might be larger
- * than the actual video because of MFC alignment requirements (see
- * the crop size below). This function can only be called after
- * mfc_dec_init() has been called.
- *
- * Args:
- * w: Width (output).
- * h: Height (output).
- *
- * Returns: Zero for success, negative value on failure.
- */
-void mfc_dec_get_output_size(struct mfc_dec_context*, int *w, int *h);
-void mfc_dec_get_output_stride(struct mfc_dec_context*, int *ystride, int *uvstride);
-void mfc_dec_get_crop_size(struct mfc_dec_context*,
- int *left, int *top, int *w, int *h);
-
-/*
- * Check if there are output frames that can be dequeued.
- *
- * Returns: Positive value if a frame is available, zero if not.
- */
-int mfc_dec_output_available(struct mfc_dec_context*);
-
-/*
- * This module use 'input' and 'output' for input to, and output from
- * the MFC. The VFL2 names for these interfaces are OUTPUT (for the
- * input) and CAPTURE (for the output).
- *
- * These functions return zero for success, negative value on failure.
- *
- * When the end of stream has been reached, an empty input frame
- * should be enqueued after the last valid input frame. This signal
- * to the MFC that EOS has been reached. After this no more input
- * frames can be enqueued.
- */
-
-/* Enqueue frame containing compressed data */
-int mfc_dec_enqueue_input(struct mfc_dec_context*, struct mfc_buffer *buffer, struct timeval *timestamp);
-/*
- * Dequeue a processed input frame. Will block until one is available.
- *
- * Returns 0 on success, -1 on failure, and -2 on timeout. A timeout
- * typically happens if there are no free output buffers available.
- */
-int mfc_dec_dequeue_input(struct mfc_dec_context*, struct mfc_buffer **buffer);
-/* Enqueue empty output frame */
-int mfc_dec_enqueue_output(struct mfc_dec_context*, struct mfc_buffer *buffer);
-/*
- * Dequeue output frame with image data. This should only be called
- * when mfc_dec_output_available() returns true. If this is called
- * when mfc_dec_output_available() is not true, subsequent video
- * frames may not decode correctly.
- */
-int mfc_dec_dequeue_output(struct mfc_dec_context*, struct mfc_buffer **buffer, struct timeval *timestamp);
-
-
-/*
- * Flush (discard) all enqueued output and input frames. This is
- * typically used if we want to seek.
- *
- * Calling flush resets the "end of stream" state that is entered by
- * enqueuing an empty input frame. Thus it is safe to seek at the end
- * of the stream as long as mfc_dec_flush() is called first.
- */
-int mfc_dec_flush(struct mfc_dec_context*);
-
-/*
- * Get pointer to the input data in 'buffer'.
- */
-void* mfc_buffer_get_input_data(struct mfc_buffer *buffer);
-
-/*
- * Get maximum size of input buffer 'buffer' in bytes.
- */
-int mfc_buffer_get_input_max_size(struct mfc_buffer *buffer);
-
-/*
- * Set size of data that has been put into 'buffer' in bytes.
- */
-void mfc_buffer_set_input_size(struct mfc_buffer *buffer, int size);
-
-/*
- * Get pointers to data in output buffer 'buffer'.
- */
-void mfc_buffer_get_output_data(struct mfc_buffer *buffer,
- void **ybuf, void **uvbuf);
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif /* VIDEO_EXYNOS4_MFC_V4L2_INCLUDE_MFC_DECODER_H */
projects / platform / upstream / gstreamer.git / commitdiff