From a38b8a35f606a3b6515fb626c13e7c87ef162508 Mon Sep 17 00:00:00 2001 From: Thomas Vander Stichele Date: Sun, 23 Dec 2001 15:24:07 +0000 Subject: [PATCH] added jpeg and shout (icecastsend has been renamed to shout, there are other libs that do icecast too) Original commit message from CVS: added jpeg and shout (icecastsend has been renamed to shout, there are other libs that do icecast too) --- configure.ac | 30 ++--- ext/Makefile.am | 19 +++- ext/jpeg/Makefile.am | 11 ++ ext/jpeg/gstjpeg.c | 112 +++++++++++++++++++ ext/jpeg/gstjpegdec.c | 265 +++++++++++++++++++++++++++++++++++++++++++ ext/jpeg/gstjpegdec.h | 87 +++++++++++++++ ext/jpeg/gstjpegenc.c | 304 ++++++++++++++++++++++++++++++++++++++++++++++++++ ext/jpeg/gstjpegenc.h | 87 +++++++++++++++ 8 files changed, 894 insertions(+), 21 deletions(-) create mode 100644 ext/jpeg/Makefile.am create mode 100644 ext/jpeg/gstjpeg.c create mode 100644 ext/jpeg/gstjpegdec.c create mode 100644 ext/jpeg/gstjpegdec.h create mode 100644 ext/jpeg/gstjpegenc.c create mode 100644 ext/jpeg/gstjpegenc.h diff --git a/configure.ac b/configure.ac index 531b70b..1f25e9d 100644 --- a/configure.ac +++ b/configure.ac @@ -504,11 +504,13 @@ dnl CPPFLAGS="$CPPFLAGS $GLIB_CFLAGS" dnl AC_CHECK_HEADER(libdv/dv.h, :, HAVE_LIBDV=no) dnl CPPFLAGS="$libdvcheck_save_CPPFLAGS" -dnl *** libjpeg *** +dnl *** jpeg *** dnl FIXME: we could use header checks here as well IMO -translit(dnm, m, l) AM_CONDITIONAL(USE_LIBJPEG, true) -GST_CHECK_FEATURE(LIBJPEG, [libjpeg], jpegenc jpegdec, [ - AC_CHECK_LIB(jpeg, jpeg_set_defaults, HAVE_LIBJPEG="yes", HAVE_LIBJPEG="no") +translit(dnm, m, l) AM_CONDITIONAL(USE_JPEG, true) +GST_CHECK_FEATURE(JPEG, [jpeg], jpegenc jpegdec, [ + AC_CHECK_LIB(jpeg, jpeg_set_defaults, HAVE_JPEG="yes", HAVE_JPEG="no") + JPEG_LIBS="-ljpeg" + AC_SUBST(JPEG_LIBS) ]) dnl *** mad *** @@ -565,9 +567,10 @@ GST_CHECK_FEATURE(SDL, [SDL plugin], sdlvideosink, [ ]) dnl *** shout *** -translit(dnm, m, l) AM_CONDITIONAL(USE_LIBSHOUT, true) -GST_CHECK_FEATURE(LIBSHOUT, [shout plugin], icecastsend, [ - GST_CHECK_LIBHEADER(LIBSHOUT, shout, shout_init_connection,, shout/shout.h, LIBSHOUT_LIBS="-lshout") +translit(dnm, m, l) AM_CONDITIONAL(USE_SHOUT, true) +GST_CHECK_FEATURE(SHOUT, [shout plugin], icecastsend, [ + GST_CHECK_LIBHEADER(SHOUT, shout, shout_init_connection,, shout/shout.h, SHOUT_LIBS="-lshout") + AC_SUBST(SHOUT_LIBS) ]) dnl for sidplay @@ -861,14 +864,6 @@ if test "x$HAVE_LIBMIKMOD" = xyes; then AC_DEFINE(HAVE_LIBMIKMOD) fi -if test "x$HAVE_LIBJPEG" = xyes; then - AC_DEFINE(HAVE_LIBJPEG) -fi - -if test "x$HAVE_LIBHERMES" = "xyes"; then - AC_DEFINE(HAVE_LIBHERMES) -fi - if test "x$HAVE_A52DEC" = xyes; then AC_DEFINE(HAVE_A52DEC) fi @@ -896,9 +891,7 @@ AM_CONDITIONAL(EXPERIMENTAL, test "$EXPERIMENTAL" = "$xyes") AM_CONDITIONAL(BROKEN, test "$BROKEN" = "$xyes") AM_CONDITIONAL(HAVE_LIBMIKMOD, test "x$HAVE_LIBMIKMOD" = "xyes") -AM_CONDITIONAL(HAVE_LIBJPEG, test "x$HAVE_LIBJPEG" = "xyes") AM_CONDITIONAL(HAVE_LIBSDL, test "x$HAVE_LIBSDL" = "xyes") -AM_CONDITIONAL(HAVE_LIBHERMES, test "x$HAVE_LIBHERMES" = "xyes") AM_CONDITIONAL(HAVE_NASM, test "x$HAVE_NASM" = "xyes") AM_CONDITIONAL(HAVE_LIBGLADE_GNOME, test "x$HAVE_LIBGLADE_GNOME" = "xyes") AM_CONDITIONAL(HAVE_GNOME, test "x$HAVE_GNOME" = "xyes") @@ -913,7 +906,6 @@ AM_CONDITIONAL(HAVE_PDFTOPS, $HAVE_PDFTOPS) AM_CONDITIONAL(HAVE_XSLTPROC, $HAVE_XSLTPROC) AM_CONDITIONAL(HAVE_FIG2DEV_PNG, $HAVE_FIG2DEV_PNG) AM_CONDITIONAL(HAVE_FIG2DEV_PDF, $HAVE_FIG2DEV_PDF) -AM_CONDITIONAL(HAVE_LIBSHOUT, test "x$HAVE_LIBSHOUT" = "xyes") AM_CONDITIONAL(HAVE_LIBRTP, test "x$HAVE_LIBRTP" = "xyes") AM_CONDITIONAL(HAVE_ARTS, test "x$HAVE_ARTS" = "xyes") AM_CONDITIONAL(HAVE_XMMS, test "x$HAVE_XMMS" = "xyes") @@ -1079,9 +1071,11 @@ ext/esd/Makefile ext/flac/Makefile ext/gsm/Makefile ext/hermes/Makefile +ext/jpeg/Makefile ext/lame/Makefile ext/mad/Makefile ext/mpeg2dec/Makefile +ext/shout/Makefile ext/sdl/Makefile ext/vorbis/Makefile gst-libs/Makefile diff --git a/ext/Makefile.am b/ext/Makefile.am index e981f57..8a69f2c 100644 --- a/ext/Makefile.am +++ b/ext/Makefile.am @@ -76,6 +76,13 @@ else LAME_DIR= endif +if USE_JPEG +JPEG_DIR=jpeg +else +JPEG_DIR= +endif + + if USE_MAD MAD_DIR=mad else @@ -94,6 +101,12 @@ else SDL_DIR= endif +if USE_SHOUT +SHOUT_DIR=shout +else +SHOUT_DIR= +endif + if USE_VORBIS VORBIS_DIR=vorbis else @@ -103,8 +116,8 @@ endif SUBDIRS=$(A52_DIR) $(AALIB_DIR) $(ALSA_DIR) $(AUDIOFILE_DIR) \ $(AVIFILE_DIR) $(CDPARANOIA_DIR) $(DVDREAD_DIR) $(ESD_DIR) \ $(FESTIVAL_DIR) $(FLAC_DIR) $(GSM_DIR) $(HERMES_DIR) \ - $(LAME_DIR) $(MAD_DIR) $(MPEG2DEC_DIR) \ - $(SDL_DIR) $(VORBIS_DIR) + $(JPEG_DIR) $(LAME_DIR) $(MAD_DIR) $(MPEG2DEC_DIR) \ + $(SDL_DIR) $(SHOUT_DIR) $(VORBIS_DIR) DIST_SUBDIRS=a52 aalib alsa avifile audiofile cdparanoia dvdread esd \ - festival flac gsm hermes lame mad mpeg2dec sdl vorbis + festival flac gsm hermes jpeg lame mad mpeg2dec sdl shout vorbis diff --git a/ext/jpeg/Makefile.am b/ext/jpeg/Makefile.am new file mode 100644 index 0000000..8f46768 --- /dev/null +++ b/ext/jpeg/Makefile.am @@ -0,0 +1,11 @@ +plugindir = $(libdir)/gst + +plugin_LTLIBRARIES = libgstjpeg.la + +libgstjpeg_la_SOURCES = gstjpeg.c gstjpegdec.c gstjpegenc.c +libgstjpeg_la_LIBADD = $(JPEG_LIBS) +libgstjpeg_la_CFLAGS = $(GST_CFLAGS) +## FIXME: check these CFLAGS +## -O3 $(FOMIT_FRAME_POINTER) -funroll-all-loops -finline-functions -ffast-math -DNDEBUG + +noinst_HEADERS = gstjpegdec.h gstjpegenc.h diff --git a/ext/jpeg/gstjpeg.c b/ext/jpeg/gstjpeg.c new file mode 100644 index 0000000..ed5d1e1 --- /dev/null +++ b/ext/jpeg/gstjpeg.c @@ -0,0 +1,112 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +#include "gstjpegdec.h" +#include "gstjpegenc.h" + +/* elementfactory information */ +extern GstElementDetails gst_jpegdec_details; +extern GstElementDetails gst_jpegenc_details; + +GstPadTemplate *jpegdec_src_template, *jpegdec_sink_template; +GstPadTemplate *jpegenc_src_template, *jpegenc_sink_template; + +static GstCaps* +jpeg_caps_factory (void) +{ + return + gst_caps_new ( + "jpeg_jpeg", + "video/jpeg", + NULL); +} + +static GstCaps* +raw_caps_factory (void) +{ + return + gst_caps_new ( + "jpeg_raw", + "video/raw", + gst_props_new ( + "format", GST_PROPS_LIST ( + GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')) + ), + "width", GST_PROPS_INT_RANGE (16, 4096), + "height", GST_PROPS_INT_RANGE (16, 4096), + NULL)); +} + +static gboolean +plugin_init (GModule *module, GstPlugin *plugin) +{ + GstElementFactory *dec, *enc; + GstCaps *raw_caps, *jpeg_caps; + + /* create an elementfactory for the jpegdec element */ + enc = gst_elementfactory_new("jpegenc",GST_TYPE_JPEGENC, + &gst_jpegenc_details); + g_return_val_if_fail(enc != NULL, FALSE); + + raw_caps = raw_caps_factory (); + jpeg_caps = jpeg_caps_factory (); + + /* register sink pads */ + jpegenc_sink_template = gst_padtemplate_new ("sink", GST_PAD_SINK, + GST_PAD_ALWAYS, + raw_caps, NULL); + gst_elementfactory_add_padtemplate (enc, jpegenc_sink_template); + + /* register src pads */ + jpegenc_src_template = gst_padtemplate_new ("src", GST_PAD_SRC, + GST_PAD_ALWAYS, + jpeg_caps, NULL); + gst_elementfactory_add_padtemplate (enc, jpegenc_src_template); + + gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (enc)); + + /* create an elementfactory for the jpegdec element */ + dec = gst_elementfactory_new("jpegdec",GST_TYPE_JPEGDEC, + &gst_jpegdec_details); + g_return_val_if_fail(dec != NULL, FALSE); + + /* register sink pads */ + jpegdec_sink_template = gst_padtemplate_new ("sink", GST_PAD_SINK, + GST_PAD_ALWAYS, + jpeg_caps, NULL); + gst_elementfactory_add_padtemplate (dec, jpegdec_sink_template); + + /* register src pads */ + jpegdec_src_template = gst_padtemplate_new ("src", GST_PAD_SRC, + GST_PAD_ALWAYS, + raw_caps, NULL); + gst_elementfactory_add_padtemplate (dec, jpegdec_src_template); + + gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (dec)); + + return TRUE; +} + +GstPluginDesc plugin_desc = { + GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "jpeg", + plugin_init +}; diff --git a/ext/jpeg/gstjpegdec.c b/ext/jpeg/gstjpegdec.c new file mode 100644 index 0000000..025338f --- /dev/null +++ b/ext/jpeg/gstjpegdec.c @@ -0,0 +1,265 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +#include + +//#define DEBUG_ENABLED +#include "gstjpegdec.h" + +extern GstPadTemplate *jpegdec_src_template, *jpegdec_sink_template; + +/* elementfactory information */ +GstElementDetails gst_jpegdec_details = { + "jpeg image decoder", + "Filter/Decoder/Image", + ".jpeg", + VERSION, + "Wim Taymans ", + "(C) 2000", +}; + +/* JpegDec signals and args */ +enum { + /* FILL ME */ + LAST_SIGNAL +}; + +enum { + ARG_0, + /* FILL ME */ +}; + +static void gst_jpegdec_class_init (GstJpegDec *klass); +static void gst_jpegdec_init (GstJpegDec *jpegdec); + +static void gst_jpegdec_chain (GstPad *pad, GstBuffer *buf); + +static GstElementClass *parent_class = NULL; +//static guint gst_jpegdec_signals[LAST_SIGNAL] = { 0 }; + +GType +gst_jpegdec_get_type(void) { + static GType jpegdec_type = 0; + + if (!jpegdec_type) { + static const GTypeInfo jpegdec_info = { + sizeof(GstJpegDec), NULL, + NULL, + (GClassInitFunc)gst_jpegdec_class_init, + NULL, + NULL, + sizeof(GstJpegDec), + 0, + (GInstanceInitFunc)gst_jpegdec_init, + }; + jpegdec_type = g_type_register_static(GST_TYPE_ELEMENT, "GstJpegDec", &jpegdec_info, 0); + } + return jpegdec_type; +} + +static void +gst_jpegdec_class_init (GstJpegDec *klass) +{ + GstElementClass *gstelement_class; + + gstelement_class = (GstElementClass*)klass; + + parent_class = g_type_class_ref(GST_TYPE_ELEMENT); +} + +static void +gst_jpegdec_init_source (j_decompress_ptr cinfo) +{ + GST_DEBUG (0,"gst_jpegdec_chain: init_source\n"); +} +static gboolean +gst_jpegdec_fill_input_buffer (j_decompress_ptr cinfo) +{ + GST_DEBUG (0,"gst_jpegdec_chain: fill_input_buffer\n"); + return TRUE; +} + +static void +gst_jpegdec_skip_input_data (j_decompress_ptr cinfo, glong num_bytes) +{ + GST_DEBUG (0,"gst_jpegdec_chain: skip_input_data\n"); +} + +static gboolean +gst_jpegdec_resync_to_restart (j_decompress_ptr cinfo, gint desired) +{ + GST_DEBUG (0,"gst_jpegdec_chain: resync_to_start\n"); + return TRUE; +} + +static void +gst_jpegdec_term_source (j_decompress_ptr cinfo) +{ + GST_DEBUG (0,"gst_jpegdec_chain: term_source\n"); +} + +static void +gst_jpegdec_init (GstJpegDec *jpegdec) +{ + GST_DEBUG (0,"gst_jpegdec_init: initializing\n"); + /* create the sink and src pads */ + jpegdec->sinkpad = gst_pad_new_from_template (jpegdec_sink_template, "sink"); + gst_element_add_pad(GST_ELEMENT(jpegdec),jpegdec->sinkpad); + gst_pad_set_chain_function(jpegdec->sinkpad,gst_jpegdec_chain); + jpegdec->srcpad = gst_pad_new_from_template (jpegdec_src_template, "src"); + gst_element_add_pad(GST_ELEMENT(jpegdec),jpegdec->srcpad); + + /* initialize the jpegdec decoder state */ + jpegdec->next_time = 0; + + // reset the initial video state + jpegdec->format = -1; + jpegdec->width = -1; + jpegdec->height = -1; + + jpegdec->line[0] = NULL; + jpegdec->line[1] = NULL; + jpegdec->line[2] = NULL; + + /* setup jpeglib */ + memset(&jpegdec->cinfo, 0, sizeof(jpegdec->cinfo)); + memset(&jpegdec->jerr, 0, sizeof(jpegdec->jerr)); + jpegdec->cinfo.err = jpeg_std_error(&jpegdec->jerr); + jpeg_create_decompress(&jpegdec->cinfo); + + jpegdec->jsrc.init_source = gst_jpegdec_init_source; + jpegdec->jsrc.fill_input_buffer = gst_jpegdec_fill_input_buffer; + jpegdec->jsrc.skip_input_data = gst_jpegdec_skip_input_data; + jpegdec->jsrc.resync_to_restart = gst_jpegdec_resync_to_restart; + jpegdec->jsrc.term_source = gst_jpegdec_term_source; + jpegdec->cinfo.src = &jpegdec->jsrc; + +} + +static void +gst_jpegdec_chain (GstPad *pad, GstBuffer *buf) +{ + GstJpegDec *jpegdec; + guchar *data, *outdata; + gulong size, outsize; + GstBuffer *outbuf; + //GstMeta *meta; + gint width, height, width2; + guchar *base[3]; + gint i,j, k; + gint r_h, r_v; + + g_return_if_fail(pad != NULL); + g_return_if_fail(GST_IS_PAD(pad)); + g_return_if_fail(buf != NULL); + //g_return_if_fail(GST_IS_BUFFER(buf)); + + jpegdec = GST_JPEGDEC (GST_OBJECT_PARENT (pad)); + + if (!GST_PAD_CONNECTED (jpegdec->srcpad)) { + gst_buffer_unref (buf); + return; + } + + data = (guchar *)GST_BUFFER_DATA(buf); + size = GST_BUFFER_SIZE(buf); + GST_DEBUG (0,"gst_jpegdec_chain: got buffer of %ld bytes in '%s'\n",size, + GST_OBJECT_NAME (jpegdec)); + + jpegdec->jsrc.next_input_byte = data; + jpegdec->jsrc.bytes_in_buffer = size; + + + GST_DEBUG (0,"gst_jpegdec_chain: reading header %08lx\n", *(gulong *)data); + jpeg_read_header(&jpegdec->cinfo, TRUE); + + r_h = jpegdec->cinfo.cur_comp_info[0]->h_samp_factor; + r_v = jpegdec->cinfo.cur_comp_info[0]->v_samp_factor; + + //g_print ("%d %d\n", r_h, r_v); + //g_print ("%d %d\n", jpegdec->cinfo.cur_comp_info[1]->h_samp_factor, jpegdec->cinfo.cur_comp_info[1]->v_samp_factor); + //g_print ("%d %d\n", jpegdec->cinfo.cur_comp_info[2]->h_samp_factor, jpegdec->cinfo.cur_comp_info[2]->v_samp_factor); + + jpegdec->cinfo.do_fancy_upsampling = FALSE; + jpegdec->cinfo.do_block_smoothing = FALSE; + jpegdec->cinfo.out_color_space = JCS_YCbCr; + jpegdec->cinfo.dct_method = JDCT_IFAST; + jpegdec->cinfo.raw_data_out = TRUE; + GST_DEBUG (0,"gst_jpegdec_chain: starting decompress\n"); + jpeg_start_decompress(&jpegdec->cinfo); + width = jpegdec->cinfo.output_width; + height = jpegdec->cinfo.output_height; + GST_DEBUG (0,"gst_jpegdec_chain: width %d, height %d\n", width, height); + + outbuf = gst_buffer_new(); + outsize = GST_BUFFER_SIZE(outbuf) = width*height + + width*height / 2; + outdata = GST_BUFFER_DATA(outbuf) = g_malloc(outsize); + GST_BUFFER_TIMESTAMP(outbuf) = GST_BUFFER_TIMESTAMP(buf); + + if (jpegdec->height != height) { + jpegdec->line[0] = g_realloc(jpegdec->line[0], height*sizeof(char*)); + jpegdec->line[1] = g_realloc(jpegdec->line[1], height*sizeof(char*)); + jpegdec->line[2] = g_realloc(jpegdec->line[2], height*sizeof(char*)); + jpegdec->height = height; + + gst_pad_set_caps (jpegdec->srcpad, gst_caps_new ( + "jpegdec_caps", + "video/raw", + gst_props_new ( + "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')), + "width", GST_PROPS_INT (width), + "height", GST_PROPS_INT (height), + NULL))); + } + + /* mind the swap, jpeglib outputs blue chroma first */ + base[0] = outdata; + base[1] = base[0]+width*height; + base[2] = base[1]+width*height/4; + + width2 = width >> 1; + + GST_DEBUG (0,"gst_jpegdec_chain: decompressing %u\n", jpegdec->cinfo.rec_outbuf_height); + for (i = 0; i < height; i += r_v*DCTSIZE) { + for (j=0, k=0; j< (r_v*DCTSIZE); j += r_v, k++) { + jpegdec->line[0][j] = base[0]; base[0] += width; + if (r_v == 2) { + jpegdec->line[0][j+1] = base[0]; base[0] += width; + } + jpegdec->line[1][k] = base[1]; + jpegdec->line[2][k] = base[2]; + if (r_v == 2 || k&1) { + base[1] += width2; base[2] += width2; + } + } + //g_print ("%d\n", jpegdec->cinfo.output_scanline); + jpeg_read_raw_data(&jpegdec->cinfo, jpegdec->line, r_v*DCTSIZE); + } + + GST_DEBUG (0,"gst_jpegdec_chain: decompressing finished\n"); + jpeg_finish_decompress(&jpegdec->cinfo); + + GST_DEBUG (0,"gst_jpegdec_chain: sending buffer\n"); + gst_pad_push(jpegdec->srcpad, outbuf); + + gst_buffer_unref(buf); +} + diff --git a/ext/jpeg/gstjpegdec.h b/ext/jpeg/gstjpegdec.h new file mode 100644 index 0000000..793c1b7 --- /dev/null +++ b/ext/jpeg/gstjpegdec.h @@ -0,0 +1,87 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +#ifndef __GST_JPEGDEC_H__ +#define __GST_JPEGDEC_H__ + + +#include +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define GST_TYPE_JPEGDEC \ + (gst_jpegdec_get_type()) +#define GST_JPEGDEC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JPEGDEC,GstJpegDec)) +#define GST_JPEGDEC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JPEGDEC,GstJpegDec)) +#define GST_IS_JPEGDEC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JPEGDEC)) +#define GST_IS_JPEGDEC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEGDEC)) + +typedef struct _GstJpegDec GstJpegDec; +typedef struct _GstJpegDecClass GstJpegDecClass; + +struct _GstJpegDec { + GstElement element; + + /* pads */ + GstPad *sinkpad,*srcpad; + + int parse_state; + // the timestamp of the next frame + guint64 next_time; + // the interval between frames + guint64 time_interval; + + // video state + gint format; + gint width; + gint height; + // the size of the output buffer + gint outsize; + // the jpeg line buffer + guchar **line[3]; + + struct jpeg_decompress_struct cinfo; + struct jpeg_error_mgr jerr; + struct jpeg_source_mgr jsrc; +}; + +struct _GstJpegDecClass { + GstElementClass parent_class; +}; + +GType gst_jpegdec_get_type(void); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GST_JPEGDEC_H__ */ diff --git a/ext/jpeg/gstjpegenc.c b/ext/jpeg/gstjpegenc.c new file mode 100644 index 0000000..ab3528c --- /dev/null +++ b/ext/jpeg/gstjpegenc.c @@ -0,0 +1,304 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +#include + +#include "gstjpegenc.h" + +/* elementfactory information */ +GstElementDetails gst_jpegenc_details = { + "jpeg image encoder", + "Filter/Encoder/Image", + ".jpeg", + VERSION, + "Wim Taymans ", + "(C) 2000", +}; + +/* JpegEnc signals and args */ +enum { + FRAME_ENCODED, + /* FILL ME */ + LAST_SIGNAL +}; + +enum { + ARG_0, + /* FILL ME */ +}; + +static void gst_jpegenc_class_init (GstJpegEnc *klass); +static void gst_jpegenc_init (GstJpegEnc *jpegenc); + +static void gst_jpegenc_chain (GstPad *pad,GstBuffer *buf); +static GstBuffer *gst_jpegenc_get (GstPad *pad); + +static void gst_jpegenc_resync (GstJpegEnc *jpegenc); + +static GstElementClass *parent_class = NULL; +static guint gst_jpegenc_signals[LAST_SIGNAL] = { 0 }; + +GType +gst_jpegenc_get_type (void) +{ + static GType jpegenc_type = 0; + + if (!jpegenc_type) { + static const GTypeInfo jpegenc_info = { + sizeof(GstJpegEnc), NULL, + NULL, + (GClassInitFunc)gst_jpegenc_class_init, + NULL, + NULL, + sizeof(GstJpegEnc), + 0, + (GInstanceInitFunc)gst_jpegenc_init, + }; + jpegenc_type = g_type_register_static(GST_TYPE_ELEMENT, "GstJpegEnc", &jpegenc_info, 0); + } + return jpegenc_type; +} + +static void +gst_jpegenc_class_init (GstJpegEnc *klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + + gobject_class = (GObjectClass*)klass; + gstelement_class = (GstElementClass*)klass; + + parent_class = g_type_class_ref(GST_TYPE_ELEMENT); + + gst_jpegenc_signals[FRAME_ENCODED] = + g_signal_new ("frame_encoded", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GstJpegEncClass, frame_encoded), NULL, NULL, + g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + +} + +static void +gst_jpegenc_init_destination (j_compress_ptr cinfo) +{ + GST_DEBUG (0,"gst_jpegenc_chain: init_destination\n"); +} + +static gboolean +gst_jpegenc_flush_destination (j_compress_ptr cinfo) +{ + GST_DEBUG (0,"gst_jpegenc_chain: flush_destination: buffer too small !!!\n"); + return TRUE; +} + +static void gst_jpegenc_term_destination (j_compress_ptr cinfo) +{ + GST_DEBUG (0,"gst_jpegenc_chain: term_source\n"); +} + +static void +gst_jpegenc_init (GstJpegEnc *jpegenc) +{ + /* create the sink and src pads */ + jpegenc->sinkpad = gst_pad_new("sink",GST_PAD_SINK); + gst_element_add_pad(GST_ELEMENT(jpegenc),jpegenc->sinkpad); + gst_pad_set_chain_function(jpegenc->sinkpad,gst_jpegenc_chain); + gst_pad_set_get_function(jpegenc->sinkpad,gst_jpegenc_get); + jpegenc->srcpad = gst_pad_new("src",GST_PAD_SRC); + gst_element_add_pad(GST_ELEMENT(jpegenc),jpegenc->srcpad); + + // reset the initial video state + jpegenc->width = -1; + jpegenc->height = -1; + + /* setup jpeglib */ + memset(&jpegenc->cinfo, 0, sizeof(jpegenc->cinfo)); + memset(&jpegenc->jerr, 0, sizeof(jpegenc->jerr)); + jpegenc->cinfo.err = jpeg_std_error(&jpegenc->jerr); + jpeg_create_compress(&jpegenc->cinfo); + + GST_DEBUG (0,"gst_jpegenc_init: setting line buffers\n"); + jpegenc->line[0] = NULL; + jpegenc->line[1] = NULL; + jpegenc->line[2] = NULL; + + gst_jpegenc_resync(jpegenc); + + jpegenc->jdest.init_destination = gst_jpegenc_init_destination; + jpegenc->jdest.empty_output_buffer = gst_jpegenc_flush_destination; + jpegenc->jdest.term_destination = gst_jpegenc_term_destination; + jpegenc->cinfo.dest = &jpegenc->jdest; + +} + +static void +gst_jpegenc_resync (GstJpegEnc *jpegenc) +{ + guint size = 0; + gint width, height; + + GST_DEBUG (0,"gst_jpegenc_resync: resync\n"); + + jpegenc->cinfo.image_width = width = jpegenc->width; + jpegenc->cinfo.image_height = height = jpegenc->height; + jpegenc->cinfo.input_components = 3; + + GST_DEBUG (0,"gst_jpegenc_resync: wdith %d, height %d\n", width, height); + + jpeg_set_defaults(&jpegenc->cinfo); + jpegenc->cinfo.dct_method = JDCT_FASTEST; + //jpegenc->cinfo.dct_method = JDCT_DEFAULT; + //jpegenc->cinfo.smoothing_factor = 10; + jpeg_set_quality(&jpegenc->cinfo, 85, TRUE); + + /* + switch (jpegenc->format) { + case GST_COLORSPACE_RGB24: + size = 3; + GST_DEBUG (0,"gst_jpegenc_resync: setting format to RGB24\n"); + jpegenc->cinfo.in_color_space = JCS_RGB; + jpegenc->cinfo.raw_data_in = FALSE; + break; + case GST_COLORSPACE_YUV420P: + size = 2; + jpegenc->cinfo.raw_data_in = TRUE; + jpegenc->cinfo.in_color_space = JCS_YCbCr; + GST_DEBUG (0,"gst_jpegenc_resync: setting format to YUV420P\n"); + jpegenc->cinfo.comp_info[0].h_samp_factor = 2; + jpegenc->cinfo.comp_info[0].v_samp_factor = 2; + jpegenc->cinfo.comp_info[1].h_samp_factor = 1; + jpegenc->cinfo.comp_info[1].v_samp_factor = 1; + jpegenc->cinfo.comp_info[2].h_samp_factor = 1; + jpegenc->cinfo.comp_info[2].v_samp_factor = 1; + + if (height != -1) { + jpegenc->line[0] = g_realloc(jpegenc->line[0], height*sizeof(char*)); + jpegenc->line[1] = g_realloc(jpegenc->line[1], height*sizeof(char*)/2); + jpegenc->line[2] = g_realloc(jpegenc->line[2], height*sizeof(char*)/2); + } + + GST_DEBUG (0,"gst_jpegenc_resync: setting format done\n"); + break; + default: + printf("gst_jpegenc_resync: unsupported colorspace, using RGB\n"); + size = 3; + jpegenc->cinfo.in_color_space = JCS_RGB; + break; + } +*/ + jpegenc->bufsize = jpegenc->width*jpegenc->height*size; + jpegenc->row_stride = width * size; + + jpeg_suppress_tables(&jpegenc->cinfo, TRUE); + + jpegenc->buffer = NULL; + GST_DEBUG (0,"gst_jpegenc_resync: resync done\n"); +} + +static GstBuffer* +gst_jpegenc_get (GstPad *pad) +{ + GstJpegEnc *jpegenc; + GstBuffer *newbuf; + + GST_DEBUG (0,"gst_jpegenc_chain: pull buffer\n"); + + g_return_val_if_fail (pad != NULL, NULL); + g_return_val_if_fail (GST_IS_PAD (pad), NULL); + + jpegenc = GST_JPEGENC (GST_OBJECT_PARENT (pad)); + + if (jpegenc->buffer == NULL || GST_BUFFER_REFCOUNT(jpegenc->buffer) != 1) { + if (jpegenc->buffer) gst_buffer_unref(jpegenc->buffer); + GST_DEBUG (0,"gst_jpegenc_chain: new buffer\n"); + newbuf = jpegenc->buffer = gst_buffer_new(); + GST_BUFFER_DATA(newbuf) = g_malloc(jpegenc->bufsize); + GST_BUFFER_SIZE(newbuf) = jpegenc->bufsize; + } + gst_buffer_ref(jpegenc->buffer); + + return jpegenc->buffer; +} + +static void +gst_jpegenc_chain (GstPad *pad, GstBuffer *buf) +{ + GstJpegEnc *jpegenc; + guchar *data, *outdata; + gulong size, outsize; + GstBuffer *outbuf; +// GstMeta *meta; + guint height, width, width2; + guchar *base[3]; + gint i,j, k; + + g_return_if_fail (pad != NULL); + g_return_if_fail (GST_IS_PAD (pad)); + g_return_if_fail (buf != NULL); + //g_return_if_fail(GST_IS_BUFFER(buf)); + + //usleep(10000); + jpegenc = GST_JPEGENC (GST_OBJECT_PARENT (pad)); + + data = GST_BUFFER_DATA(buf); + size = GST_BUFFER_SIZE(buf); + + GST_DEBUG (0,"gst_jpegenc_chain: got buffer of %ld bytes in '%s'\n",size, + GST_OBJECT_NAME (jpegenc)); + + outbuf = gst_buffer_new(); + outsize = GST_BUFFER_SIZE(outbuf) = jpegenc->bufsize; + outdata = GST_BUFFER_DATA(outbuf) = g_malloc(outsize); + GST_BUFFER_TIMESTAMP(outbuf) = GST_BUFFER_TIMESTAMP(buf); + + width = jpegenc->width; + height = jpegenc->height; + + base[0] = data; + base[1] = base[0]+width*height; + base[2] = base[1]+width*height/4; + + jpegenc->jdest.next_output_byte = outdata; + jpegenc->jdest.free_in_buffer = outsize; + + jpeg_start_compress(&jpegenc->cinfo, TRUE); + + width2 = width>>1; + GST_DEBUG (0,"gst_jpegdec_chain: compressing\n"); + + for (i = 0; i < height; i += 2*DCTSIZE) { + for (j=0, k=0; j<2*DCTSIZE;j+=2, k++) { + jpegenc->line[0][j] = base[0]; base[0] += width; + jpegenc->line[0][j+1] = base[0]; base[0] += width; + jpegenc->line[1][k] = base[1]; base[1] += width2; + jpegenc->line[2][k] = base[2]; base[2] += width2; + } + jpeg_write_raw_data(&jpegenc->cinfo, jpegenc->line, 2*DCTSIZE); + } + jpeg_finish_compress(&jpegenc->cinfo); + GST_DEBUG (0,"gst_jpegdec_chain: compressing done\n"); + + GST_BUFFER_SIZE(outbuf) = (((outsize - jpegenc->jdest.free_in_buffer)+3)&~3); + + gst_pad_push(jpegenc->srcpad, outbuf); + + g_signal_emit(G_OBJECT(jpegenc),gst_jpegenc_signals[FRAME_ENCODED], 0); + + gst_buffer_unref(buf); +} diff --git a/ext/jpeg/gstjpegenc.h b/ext/jpeg/gstjpegenc.h new file mode 100644 index 0000000..2a2903b --- /dev/null +++ b/ext/jpeg/gstjpegenc.h @@ -0,0 +1,87 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +#ifndef __GST_JPEGENC_H__ +#define __GST_JPEGENC_H__ + + +#include +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define GST_TYPE_JPEGENC \ + (gst_jpegenc_get_type()) +#define GST_JPEGENC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JPEGENC,GstJpegEnc)) +#define GST_JPEGENC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JPEGENC,GstJpegEnc)) +#define GST_IS_JPEGENC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JPEGENC)) +#define GST_IS_JPEGENC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEGENC)) + +typedef struct _GstJpegEnc GstJpegEnc; +typedef struct _GstJpegEncClass GstJpegEncClass; + +struct _GstJpegEnc { + GstElement element; + + /* pads */ + GstPad *sinkpad,*srcpad; + + // video state + gint format; + gint width; + gint height; + // the video buffer + gint bufsize; + GstBuffer *buffer; + guint row_stride; + // the jpeg line buffer + guchar **line[3]; + + struct jpeg_compress_struct cinfo; + struct jpeg_error_mgr jerr; + struct jpeg_destination_mgr jdest; + +}; + +struct _GstJpegEncClass { + GstElementClass parent_class; + + /* signals */ + void (*frame_encoded) (GstElement *element); +}; + +GType gst_jpegenc_get_type(void); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GST_JPEGENC_H__ */ -- 2.7.4