--- /dev/null
+/*
+ * Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
+ * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation
+ * version 2.1 of the License.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <string.h>
+
+#include "gstomxvideoenc.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_omx_video_enc_debug_category);
+#define GST_CAT_DEFAULT gst_omx_video_enc_debug_category
+
+typedef struct _BufferIdentification BufferIdentification;
+struct _BufferIdentification
+{
+ guint64 timestamp;
+};
+
+static void
+buffer_identification_free (BufferIdentification * id)
+{
+ g_slice_free (BufferIdentification, id);
+}
+
+/* prototypes */
+static void gst_omx_video_enc_finalize (GObject * object);
+
+static GstStateChangeReturn
+gst_omx_video_enc_change_state (GstElement * element,
+ GstStateChange transition);
+
+static gboolean gst_omx_video_enc_start (GstBaseVideoEncoder * encoder);
+static gboolean gst_omx_video_enc_stop (GstBaseVideoEncoder * encoder);
+static gboolean gst_omx_video_enc_set_format (GstBaseVideoEncoder * encoder,
+ GstVideoState * state);
+static gboolean gst_omx_video_enc_reset (GstBaseVideoEncoder * encoder);
+static GstFlowReturn gst_omx_video_enc_handle_frame (GstBaseVideoEncoder *
+ encoder, GstVideoFrame * frame);
+static gboolean gst_omx_video_enc_finish (GstBaseVideoEncoder * encoder);
+
+enum
+{
+ PROP_0
+};
+
+/* class initialization */
+
+#define DEBUG_INIT(bla) \
+ GST_DEBUG_CATEGORY_INIT (gst_omx_video_enc_debug_category, "omxvideoenc", 0, \
+ "debug category for gst-omx video encoder base class");
+
+GST_BOILERPLATE_FULL (GstOMXVideoEnc, gst_omx_video_enc, GstBaseVideoEncoder,
+ GST_TYPE_BASE_VIDEO_ENCODER, DEBUG_INIT);
+
+static void
+gst_omx_video_enc_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GstOMXVideoEncClass *videoenc_class = GST_OMX_VIDEO_ENC_CLASS (g_class);
+ GKeyFile *config;
+ const gchar *element_name;
+ GError *err;
+ gchar *core_name, *component_name, *component_role;
+ gint in_port_index, out_port_index;
+ gchar *template_caps;
+ GstPadTemplate *templ;
+ GstCaps *caps;
+ gchar **hacks;
+
+ element_name =
+ g_type_get_qdata (G_TYPE_FROM_CLASS (g_class),
+ gst_omx_element_name_quark);
+ /* This happens for the base class and abstract subclasses */
+ if (!element_name)
+ return;
+
+ config = gst_omx_get_configuration ();
+
+ /* This will always succeed, see check in plugin_init */
+ core_name = g_key_file_get_string (config, element_name, "core-name", NULL);
+ g_assert (core_name != NULL);
+ videoenc_class->core_name = core_name;
+ component_name =
+ g_key_file_get_string (config, element_name, "component-name", NULL);
+ g_assert (component_name != NULL);
+ videoenc_class->component_name = component_name;
+
+ /* If this fails we simply don't set a role */
+ if ((component_role =
+ g_key_file_get_string (config, element_name, "component-role",
+ NULL))) {
+ GST_DEBUG ("Using component-role '%s' for element '%s'", component_role,
+ element_name);
+ videoenc_class->component_role = component_role;
+ }
+
+
+ /* Now set the inport/outport indizes and assume sane defaults */
+ err = NULL;
+ in_port_index =
+ g_key_file_get_integer (config, element_name, "in-port-index", &err);
+ if (err != NULL) {
+ GST_DEBUG ("No 'in-port-index' set for element '%s', assuming 0: %s",
+ element_name, err->message);
+ in_port_index = 0;
+ g_error_free (err);
+ }
+ videoenc_class->in_port_index = in_port_index;
+
+ err = NULL;
+ out_port_index =
+ g_key_file_get_integer (config, element_name, "out-port-index", &err);
+ if (err != NULL) {
+ GST_DEBUG ("No 'out-port-index' set for element '%s', assuming 1: %s",
+ element_name, err->message);
+ out_port_index = 1;
+ g_error_free (err);
+ }
+ videoenc_class->out_port_index = out_port_index;
+
+ /* Add pad templates */
+ err = NULL;
+ if (!(template_caps =
+ g_key_file_get_string (config, element_name, "sink-template-caps",
+ &err))) {
+ GST_DEBUG
+ ("No sink template caps specified for element '%s', using default '%s'",
+ element_name, videoenc_class->default_sink_template_caps);
+ caps = gst_caps_from_string (videoenc_class->default_sink_template_caps);
+ g_assert (caps != NULL);
+ g_error_free (err);
+ } else {
+ caps = gst_caps_from_string (template_caps);
+ if (!caps) {
+ GST_DEBUG
+ ("Could not parse sink template caps '%s' for element '%s', using default '%s'",
+ template_caps, element_name,
+ videoenc_class->default_sink_template_caps);
+ caps = gst_caps_from_string (videoenc_class->default_sink_template_caps);
+ g_assert (caps != NULL);
+ }
+ }
+ templ = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
+ g_free (template_caps);
+ gst_element_class_add_pad_template (element_class, templ);
+ gst_object_unref (templ);
+
+ err = NULL;
+ if (!(template_caps =
+ g_key_file_get_string (config, element_name, "src-template-caps",
+ &err))) {
+ GST_DEBUG
+ ("No src template caps specified for element '%s', using default '%s'",
+ element_name, videoenc_class->default_src_template_caps);
+ caps = gst_caps_from_string (videoenc_class->default_src_template_caps);
+ g_assert (caps != NULL);
+ g_error_free (err);
+ } else {
+ caps = gst_caps_from_string (template_caps);
+ if (!caps) {
+ GST_DEBUG
+ ("Could not parse src template caps '%s' for element '%s', using default '%s'",
+ template_caps, element_name,
+ videoenc_class->default_src_template_caps);
+ caps = gst_caps_from_string (videoenc_class->default_src_template_caps);
+ g_assert (caps != NULL);
+ }
+ }
+ templ = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
+ g_free (template_caps);
+ gst_element_class_add_pad_template (element_class, templ);
+ gst_object_unref (templ);
+
+ if ((hacks =
+ g_key_file_get_string_list (config, element_name, "hacks", NULL,
+ NULL))) {
+#ifndef GST_DISABLE_GST_DEBUG
+ gchar **walk = hacks;
+
+ while (*walk) {
+ GST_DEBUG ("Using hack: %s", *walk);
+ walk++;
+ }
+#endif
+
+ videoenc_class->hacks = gst_omx_parse_hacks (hacks);
+ }
+}
+
+static void
+gst_omx_video_enc_class_init (GstOMXVideoEncClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GstBaseVideoEncoderClass *base_video_encoder_class =
+ GST_BASE_VIDEO_ENCODER_CLASS (klass);
+
+ gobject_class->finalize = gst_omx_video_enc_finalize;
+
+ element_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_omx_video_enc_change_state);
+
+ base_video_encoder_class->start = GST_DEBUG_FUNCPTR (gst_omx_video_enc_start);
+ base_video_encoder_class->stop = GST_DEBUG_FUNCPTR (gst_omx_video_enc_stop);
+ base_video_encoder_class->reset = GST_DEBUG_FUNCPTR (gst_omx_video_enc_reset);
+ base_video_encoder_class->set_format =
+ GST_DEBUG_FUNCPTR (gst_omx_video_enc_set_format);
+ base_video_encoder_class->handle_frame =
+ GST_DEBUG_FUNCPTR (gst_omx_video_enc_handle_frame);
+ base_video_encoder_class->finish =
+ GST_DEBUG_FUNCPTR (gst_omx_video_enc_finish);
+}
+
+static void
+gst_omx_video_enc_init (GstOMXVideoEnc * self, GstOMXVideoEncClass * klass)
+{
+}
+
+static gboolean
+gst_omx_video_enc_open (GstOMXVideoEnc * self)
+{
+ GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
+
+ self->component =
+ gst_omx_component_new (GST_OBJECT_CAST (self), klass->core_name,
+ klass->component_name, klass->component_role, klass->hacks);
+ self->started = FALSE;
+
+ if (!self->component)
+ return FALSE;
+
+ if (gst_omx_component_get_state (self->component,
+ GST_CLOCK_TIME_NONE) != OMX_StateLoaded)
+ return FALSE;
+
+ self->in_port =
+ gst_omx_component_add_port (self->component, klass->in_port_index);
+ self->out_port =
+ gst_omx_component_add_port (self->component, klass->out_port_index);
+
+ if (!self->in_port || !self->out_port)
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean
+gst_omx_video_enc_close (GstOMXVideoEnc * self)
+{
+ if (gst_omx_component_get_state (self->component, 0) > OMX_StateLoaded) {
+ gst_omx_component_set_state (self->component, OMX_StateLoaded);
+ gst_omx_port_deallocate_buffers (self->in_port);
+ gst_omx_port_deallocate_buffers (self->out_port);
+ gst_omx_component_get_state (self->component, 5 * GST_SECOND);
+ }
+
+ self->in_port = NULL;
+ self->out_port = NULL;
+ if (self->component)
+ gst_omx_component_free (self->component);
+ self->component = NULL;
+
+ return TRUE;
+}
+
+static void
+gst_omx_video_enc_finalize (GObject * object)
+{
+ /* GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (object); */
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static GstStateChangeReturn
+gst_omx_video_enc_change_state (GstElement * element, GstStateChange transition)
+{
+ GstOMXVideoEnc *self;
+ GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
+
+ g_return_val_if_fail (GST_IS_OMX_VIDEO_ENC (element),
+ GST_STATE_CHANGE_FAILURE);
+ self = GST_OMX_VIDEO_ENC (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!gst_omx_video_enc_open (self))
+ ret = GST_STATE_CHANGE_FAILURE;
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ gst_omx_port_set_flushing (self->out_port, FALSE);
+ gst_omx_port_set_flushing (self->in_port, FALSE);
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ gst_omx_port_set_flushing (self->out_port, TRUE);
+ gst_omx_port_set_flushing (self->in_port, TRUE);
+ break;
+ default:
+ break;
+ }
+
+ if (ret == GST_STATE_CHANGE_FAILURE)
+ return ret;
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ if (ret == GST_STATE_CHANGE_FAILURE)
+ return ret;
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ break;
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ if (!gst_omx_video_enc_close (self))
+ ret = GST_STATE_CHANGE_FAILURE;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+#define MAX_FRAME_DIST_TICKS (5 * OMX_TICKS_PER_SECOND)
+#define MAX_FRAME_DIST_FRAMES (100)
+
+static GstVideoFrame *
+_find_nearest_frame (GstOMXVideoEnc * self, GstOMXBuffer * buf)
+{
+ GList *l, *best_l = NULL;
+ GList *finish_frames = NULL;
+ GstVideoFrame *best = NULL;
+ guint64 best_timestamp = 0;
+ guint64 best_diff = G_MAXUINT64;
+ BufferIdentification *best_id = NULL;
+
+ GST_OBJECT_LOCK (self);
+ for (l = GST_BASE_VIDEO_CODEC (self)->frames; l; l = l->next) {
+ GstVideoFrame *tmp = l->data;
+ BufferIdentification *id = tmp->coder_hook;
+ guint64 timestamp, diff;
+
+ /* This happens for frames that were just added but
+ * which were not passed to the component yet. Ignore
+ * them here!
+ */
+ if (!id)
+ continue;
+
+ timestamp = id->timestamp;
+
+ if (timestamp > buf->omx_buf->nTimeStamp)
+ diff = timestamp - buf->omx_buf->nTimeStamp;
+ else
+ diff = buf->omx_buf->nTimeStamp - timestamp;
+
+ if (best == NULL || diff < best_diff) {
+ best = tmp;
+ best_timestamp = timestamp;
+ best_diff = diff;
+ best_l = l;
+ best_id = id;
+
+ /* For frames without timestamp we simply take the first frame */
+ if ((buf->omx_buf->nTimeStamp == 0 && timestamp == 0) || diff == 0)
+ break;
+ }
+ }
+
+ if (best_id) {
+ for (l = GST_BASE_VIDEO_CODEC (self)->frames; l && l != best_l; l = l->next) {
+ GstVideoFrame *tmp = l->data;
+ BufferIdentification *id = tmp->coder_hook;
+ guint64 diff_ticks, diff_frames;
+
+ if (id->timestamp > best_timestamp)
+ break;
+
+ if (id->timestamp == 0 || best_timestamp == 0)
+ diff_ticks = 0;
+ else
+ diff_ticks = best_timestamp - id->timestamp;
+ diff_frames = best->system_frame_number - tmp->system_frame_number;
+
+ if (diff_ticks > MAX_FRAME_DIST_TICKS
+ || diff_frames > MAX_FRAME_DIST_FRAMES) {
+ finish_frames = g_list_prepend (finish_frames, tmp);
+ }
+ }
+ }
+
+ GST_OBJECT_UNLOCK (self);
+
+ if (finish_frames) {
+ g_warning ("Too old frames, bug in encoder -- please file a bug");
+ for (l = finish_frames; l; l = l->next) {
+ gst_base_video_encoder_finish_frame (GST_BASE_VIDEO_ENCODER (self),
+ l->data);
+ }
+ }
+
+ return best;
+}
+
+static void
+gst_omx_video_enc_loop (GstOMXVideoEnc * self)
+{
+ GstOMXVideoEncClass *klass;
+ GstOMXPort *port = self->out_port;
+ GstOMXBuffer *buf = NULL;
+ GstVideoFrame *frame;
+ GstFlowReturn flow_ret = GST_FLOW_OK;
+ GstOMXAcquireBufferReturn acq_return;
+
+ klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
+
+ acq_return = gst_omx_port_acquire_buffer (port, &buf);
+ if (acq_return == GST_OMX_ACQUIRE_BUFFER_ERROR) {
+ goto component_error;
+ } else if (acq_return == GST_OMX_ACQUIRE_BUFFER_FLUSHING) {
+ goto flushing;
+ } else if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
+ if (gst_omx_port_reconfigure (self->out_port) != OMX_ErrorNone)
+ goto reconfigure_error;
+ /* And restart the loop */
+ return;
+ }
+
+ if (!GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (self))
+ || acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURED) {
+ GstVideoState *state = &GST_BASE_VIDEO_CODEC (self)->state;
+ GstCaps *caps;
+
+ GST_DEBUG_OBJECT (self, "Port settings have changed, updating caps");
+
+ caps = klass->get_caps (self, self->out_port, state);
+ if (!caps) {
+ if (buf)
+ gst_omx_port_release_buffer (self->out_port, buf);
+ goto caps_failed;
+ }
+
+ if (!gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (self), caps)) {
+ gst_caps_unref (caps);
+ if (buf)
+ gst_omx_port_release_buffer (self->out_port, buf);
+ goto caps_failed;
+ }
+ gst_caps_unref (caps);
+
+ /* Now get a buffer */
+ if (acq_return != GST_OMX_ACQUIRE_BUFFER_OK)
+ return;
+ }
+
+ g_assert (acq_return == GST_OMX_ACQUIRE_BUFFER_OK && buf != NULL);
+
+ GST_DEBUG_OBJECT (self, "Handling buffer: 0x%08x %lu", buf->omx_buf->nFlags,
+ buf->omx_buf->nTimeStamp);
+
+ frame = _find_nearest_frame (self, buf);
+ if (buf->omx_buf->nFilledLen > 0) {
+ GstBuffer *outbuf;
+
+ outbuf = gst_buffer_new_and_alloc (buf->omx_buf->nFilledLen);
+ gst_buffer_set_caps (outbuf,
+ GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (self)));
+
+ memcpy (GST_BUFFER_DATA (outbuf),
+ buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
+ buf->omx_buf->nFilledLen);
+ GST_BUFFER_TIMESTAMP (outbuf) =
+ gst_util_uint64_scale (buf->omx_buf->nTimeStamp, GST_SECOND,
+ OMX_TICKS_PER_SECOND);
+ if (buf->omx_buf->nTickCount != 0)
+ GST_BUFFER_DURATION (outbuf) =
+ gst_util_uint64_scale (buf->omx_buf->nTickCount, GST_SECOND,
+ OMX_TICKS_PER_SECOND);
+
+ if ((klass->hacks & GST_OMX_HACK_SYNCFRAME_FLAG_NOT_USED)
+ || (buf->omx_buf->nFlags & OMX_BUFFERFLAG_SYNCFRAME)) {
+ if (frame)
+ frame->is_sync_point = TRUE;
+ else
+ GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
+ } else {
+ if (frame)
+ frame->is_sync_point = FALSE;
+ else
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
+ }
+ /* TODO: OMX_BUFFERFLAG_SYNCFRAME -> not delta frame */
+
+ if (frame) {
+ frame->src_buffer = outbuf;
+ flow_ret =
+ gst_base_video_encoder_finish_frame (GST_BASE_VIDEO_ENCODER (self),
+ frame);
+ } else {
+ GST_ERROR_OBJECT (self, "No corresponding frame found");
+ flow_ret = gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (self), outbuf);
+ }
+ } else if (frame != NULL) {
+ /*flow_ret =
+ gst_base_video_encoder_finish_frame (GST_BASE_VIDEO_ENCODER (self),
+ frame); */
+ }
+
+ if (flow_ret == GST_FLOW_OK && (buf->omx_buf->nFlags & OMX_BUFFERFLAG_EOS))
+ flow_ret = GST_FLOW_UNEXPECTED;
+
+ gst_omx_port_release_buffer (port, buf);
+
+ if (flow_ret != GST_FLOW_OK)
+ goto flow_error;
+
+ return;
+
+component_error:
+ {
+ GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
+ ("OpenMAX component in error state %s (0x%08x)",
+ gst_omx_component_get_last_error_string (self->component),
+ gst_omx_component_get_last_error (self->component)));
+ gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
+ gst_event_new_eos ());
+ gst_pad_pause_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
+ return;
+ }
+flushing:
+ {
+ GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
+ gst_pad_pause_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
+ return;
+ }
+flow_error:
+ {
+ if (flow_ret == GST_FLOW_UNEXPECTED) {
+ GST_DEBUG_OBJECT (self, "EOS");
+
+ gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
+ gst_event_new_eos ());
+ gst_pad_pause_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
+ } else if (flow_ret == GST_FLOW_NOT_LINKED
+ || flow_ret < GST_FLOW_UNEXPECTED) {
+ GST_ELEMENT_ERROR (self, STREAM, FAILED, ("Internal data stream error."),
+ ("stream stopped, reason %s", gst_flow_get_name (flow_ret)));
+
+ gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
+ gst_event_new_eos ());
+ gst_pad_pause_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
+ }
+ return;
+ }
+reconfigure_error:
+ {
+ GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
+ ("Unable to reconfigure output port"));
+ gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
+ gst_event_new_eos ());
+ gst_pad_pause_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
+ return;
+ }
+caps_failed:
+ {
+ GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Failed to set caps"));
+ gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
+ gst_event_new_eos ());
+ gst_pad_pause_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
+ return;
+ }
+}
+
+static gboolean
+gst_omx_video_enc_start (GstBaseVideoEncoder * encoder)
+{
+ GstOMXVideoEnc *self;
+ gboolean ret;
+
+ self = GST_OMX_VIDEO_ENC (encoder);
+
+ ret =
+ gst_pad_start_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
+ (GstTaskFunction) gst_omx_video_enc_loop, self);
+
+ return ret;
+}
+
+static gboolean
+gst_omx_video_enc_stop (GstBaseVideoEncoder * encoder)
+{
+ GstOMXVideoEnc *self;
+
+ self = GST_OMX_VIDEO_ENC (encoder);
+
+ gst_pad_stop_task (GST_BASE_VIDEO_CODEC_SRC_PAD (encoder));
+
+ if (gst_omx_component_get_state (self->component, 0) > OMX_StateIdle)
+ gst_omx_component_set_state (self->component, OMX_StateIdle);
+
+ gst_omx_port_set_flushing (self->in_port, TRUE);
+ gst_omx_port_set_flushing (self->out_port, TRUE);
+
+ gst_omx_component_get_state (self->component, 5 * GST_SECOND);
+
+ return TRUE;
+}
+
+static gboolean
+gst_omx_video_enc_set_format (GstBaseVideoEncoder * encoder,
+ GstVideoState * state)
+{
+ GstOMXVideoEnc *self;
+ GstOMXVideoEncClass *klass;
+ gboolean needs_disable = FALSE;
+ OMX_PARAM_PORTDEFINITIONTYPE port_def;
+
+ self = GST_OMX_VIDEO_ENC (encoder);
+ klass = GST_OMX_VIDEO_ENC_GET_CLASS (encoder);
+
+ GST_DEBUG_OBJECT (self, "Setting new caps %" GST_PTR_FORMAT, state->caps);
+
+ gst_omx_port_get_port_definition (self->in_port, &port_def);
+
+ needs_disable =
+ gst_omx_component_get_state (self->component,
+ GST_CLOCK_TIME_NONE) != OMX_StateLoaded;
+ /* If the component is not in Loaded state and a real format change happens
+ * we have to disable the port and re-allocate all buffers. If no real
+ * format change happened we can just exit here.
+ */
+ if (needs_disable) {
+ if (gst_omx_port_manual_reconfigure (self->in_port, TRUE) != OMX_ErrorNone)
+ return FALSE;
+ if (gst_omx_port_set_enabled (self->in_port, FALSE) != OMX_ErrorNone)
+ return FALSE;
+ }
+
+ switch (state->format) {
+ case GST_VIDEO_FORMAT_I420:
+ port_def.format.video.eColorFormat = OMX_COLOR_FormatYUV420Planar;
+ break;
+ case GST_VIDEO_FORMAT_NV12:
+ port_def.format.video.eColorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
+ break;
+ default:
+ GST_ERROR_OBJECT (self, "Unsupported caps %" GST_PTR_FORMAT, state->caps);
+ return FALSE;
+ break;
+ }
+ port_def.format.video.nFrameWidth = state->width;
+ port_def.format.video.nFrameHeight = state->height;
+ if (state->fps_n == 0) {
+ port_def.format.video.xFramerate = 0;
+ } else {
+ if (!(klass->hacks & GST_OMX_HACK_VIDEO_FRAMERATE_INTEGER))
+ port_def.format.video.xFramerate = (state->fps_n << 16) / (state->fps_d);
+ else
+ port_def.format.video.xFramerate = (state->fps_n) / (state->fps_d);
+ }
+
+ if (!gst_omx_port_update_port_definition (self->in_port, &port_def))
+ return FALSE;
+ if (!gst_omx_port_update_port_definition (self->out_port, NULL))
+ return FALSE;
+
+ if (klass->set_format) {
+ if (!klass->set_format (self, self->in_port, state)) {
+ GST_ERROR_OBJECT (self, "Subclass failed to set the new format");
+ return FALSE;
+ }
+ }
+
+ if (needs_disable) {
+ if (gst_omx_port_set_enabled (self->in_port, TRUE) != OMX_ErrorNone)
+ return FALSE;
+ if (gst_omx_port_manual_reconfigure (self->in_port, FALSE) != OMX_ErrorNone)
+ return FALSE;
+ } else {
+ if (gst_omx_component_set_state (self->component,
+ OMX_StateIdle) != OMX_ErrorNone)
+ return FALSE;
+
+ /* Need to allocate buffers to reach Idle state */
+ if (gst_omx_port_allocate_buffers (self->in_port) != OMX_ErrorNone)
+ return FALSE;
+ if (gst_omx_port_allocate_buffers (self->out_port) != OMX_ErrorNone)
+ return FALSE;
+
+ if (gst_omx_component_get_state (self->component,
+ GST_CLOCK_TIME_NONE) != OMX_StateIdle)
+ return FALSE;
+
+ if (gst_omx_component_set_state (self->component,
+ OMX_StateExecuting) != OMX_ErrorNone)
+ return FALSE;
+ }
+
+ /* Unset flushing to allow ports to accept data again */
+ gst_omx_port_set_flushing (self->in_port, FALSE);
+ gst_omx_port_set_flushing (self->out_port, FALSE);
+
+ if (gst_omx_component_get_last_error (self->component) != OMX_ErrorNone) {
+ GST_ERROR_OBJECT (self, "Component in error state: %s (0x%08x)",
+ gst_omx_component_get_last_error_string (self->component),
+ gst_omx_component_get_last_error (self->component));
+ return FALSE;
+ }
+
+ /* Start the srcpad loop again */
+ gst_pad_start_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
+ (GstTaskFunction) gst_omx_video_enc_loop, encoder);
+
+ return (gst_omx_component_get_state (self->component,
+ GST_CLOCK_TIME_NONE) == OMX_StateExecuting);
+}
+
+static gboolean
+gst_omx_video_enc_reset (GstBaseVideoEncoder * encoder)
+{
+ GstOMXVideoEnc *self;
+
+ self = GST_OMX_VIDEO_ENC (encoder);
+
+ GST_DEBUG_OBJECT (self, "Resetting encoder");
+
+ /* FIXME: Workaround for
+ * https://bugzilla.gnome.org/show_bug.cgi?id=654529
+ */
+ GST_OBJECT_LOCK (self);
+ g_list_foreach (GST_BASE_VIDEO_CODEC (self)->frames,
+ (GFunc) gst_base_video_codec_free_frame, NULL);
+ g_list_free (GST_BASE_VIDEO_CODEC (self)->frames);
+ GST_BASE_VIDEO_CODEC (self)->frames = NULL;
+ GST_OBJECT_UNLOCK (self);
+
+ if (self->started) {
+ gst_omx_port_set_flushing (self->in_port, TRUE);
+ gst_omx_port_set_flushing (self->out_port, TRUE);
+
+ /* Wait until the srcpad loop is finished */
+ GST_PAD_STREAM_LOCK (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
+ GST_PAD_STREAM_UNLOCK (GST_BASE_VIDEO_CODEC_SRC_PAD (self));
+
+ gst_omx_port_set_flushing (self->in_port, FALSE);
+ gst_omx_port_set_flushing (self->out_port, FALSE);
+ }
+
+ /* Start the srcpad loop again */
+ gst_pad_start_task (GST_BASE_VIDEO_CODEC_SRC_PAD (self),
+ (GstTaskFunction) gst_omx_video_enc_loop, encoder);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_omx_video_enc_handle_frame (GstBaseVideoEncoder * encoder,
+ GstVideoFrame * frame)
+{
+ GstOMXAcquireBufferReturn acq_ret = GST_OMX_ACQUIRE_BUFFER_ERROR;
+ GstOMXVideoEnc *self;
+ GstOMXBuffer *buf;
+ guint offset = 0;
+ GstClockTime timestamp, duration, timestamp_offset = 0;
+
+ self = GST_OMX_VIDEO_ENC (encoder);
+
+ GST_DEBUG_OBJECT (self, "Handling frame");
+
+ timestamp = frame->presentation_timestamp;
+ duration = frame->presentation_duration;
+
+ while (offset < GST_BUFFER_SIZE (frame->sink_buffer)) {
+ acq_ret = gst_omx_port_acquire_buffer (self->in_port, &buf);
+
+ if (acq_ret == GST_OMX_ACQUIRE_BUFFER_ERROR) {
+ goto component_error;
+ } else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_FLUSHING) {
+ goto flushing;
+ } else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
+ if (gst_omx_port_reconfigure (self->in_port) != OMX_ErrorNone)
+ goto reconfigure_error;
+ /* Now get a new buffer and fill it */
+ continue;
+ } else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_RECONFIGURED) {
+ /* TODO: Anything to do here? Don't think so */
+ continue;
+ }
+
+ g_assert (acq_ret == GST_OMX_ACQUIRE_BUFFER_OK && buf != NULL);
+
+ /* Now handle the frame */
+
+ /* Copy the buffer content in chunks of size as requested
+ * by the port */
+ buf->omx_buf->nFilledLen =
+ MIN (GST_BUFFER_SIZE (frame->sink_buffer) - offset,
+ buf->omx_buf->nAllocLen - buf->omx_buf->nOffset);
+ memcpy (buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
+ GST_BUFFER_DATA (frame->sink_buffer) + offset,
+ buf->omx_buf->nFilledLen);
+
+ /* Interpolate timestamps if we're passing the buffer
+ * in multiple chunks */
+ if (offset != 0 && duration != GST_CLOCK_TIME_NONE) {
+ timestamp_offset =
+ gst_util_uint64_scale (offset, duration,
+ GST_BUFFER_SIZE (frame->sink_buffer));
+ }
+
+ if (timestamp != GST_CLOCK_TIME_NONE) {
+ buf->omx_buf->nTimeStamp =
+ gst_util_uint64_scale (timestamp + timestamp_offset,
+ OMX_TICKS_PER_SECOND, GST_SECOND);
+ }
+ if (duration != GST_CLOCK_TIME_NONE) {
+ buf->omx_buf->nTickCount =
+ gst_util_uint64_scale (buf->omx_buf->nFilledLen, duration,
+ GST_BUFFER_SIZE (frame->sink_buffer));
+ }
+
+ if (offset == 0) {
+ BufferIdentification *id = g_slice_new0 (BufferIdentification);
+
+ if (!GST_BUFFER_FLAG_IS_SET (frame->sink_buffer,
+ GST_BUFFER_FLAG_DELTA_UNIT))
+ buf->omx_buf->nFlags |= OMX_BUFFERFLAG_SYNCFRAME;
+
+ id->timestamp = buf->omx_buf->nTimeStamp;
+ frame->coder_hook = id;
+ frame->coder_hook_destroy_notify =
+ (GDestroyNotify) buffer_identification_free;
+ }
+
+ /* TODO: Set flags
+ * - OMX_BUFFERFLAG_ENCODEONLY for buffers that are outside
+ * the segment
+ * - OMX_BUFFERFLAG_ENDOFFRAME for parsed input
+ */
+
+ offset += buf->omx_buf->nFilledLen;
+ self->started = TRUE;
+ gst_omx_port_release_buffer (self->in_port, buf);
+ }
+
+ return GST_FLOW_OK;
+
+component_error:
+ {
+ GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
+ ("OpenMAX component in error state %s (0x%08x)",
+ gst_omx_component_get_last_error_string (self->component),
+ gst_omx_component_get_last_error (self->component)));
+ return GST_FLOW_ERROR;
+ }
+
+flushing:
+ {
+ GST_DEBUG_OBJECT (self, "Flushing -- returning WRONG_STATE");
+ return GST_FLOW_WRONG_STATE;
+ }
+reconfigure_error:
+ {
+ GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
+ ("Unable to reconfigure input port"));
+ return GST_FLOW_ERROR;
+ }
+}
+
+static gboolean
+gst_omx_video_enc_finish (GstBaseVideoEncoder * encoder)
+{
+ GstOMXVideoEnc *self;
+ GstOMXBuffer *buf;
+ GstOMXAcquireBufferReturn acq_ret;
+
+ self = GST_OMX_VIDEO_ENC (encoder);
+
+ GST_DEBUG_OBJECT (self, "Sending EOS to the component");
+
+ /* Send an EOS buffer to the component and let the base
+ * class drop the EOS event. We will send it later when
+ * the EOS buffer arrives on the output port. */
+ acq_ret = gst_omx_port_acquire_buffer (self->in_port, &buf);
+ if (acq_ret == GST_OMX_ACQUIRE_BUFFER_OK) {
+ buf->omx_buf->nFlags |= OMX_BUFFERFLAG_EOS;
+ gst_omx_port_release_buffer (self->in_port, buf);
+ }
+
+ return TRUE;
+}
projects / platform / upstream / gstreamer.git / commitdiff