mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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91b5e3f532
Original commit message from CVS: * ext/ffmpeg/gstffmpegcodecmap.c: (gst_ffmpeg_codecid_to_caps): * ext/ffmpeg/gstffmpegcodecmap.h: * ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_chain), (gst_ffmpegdec_register): * ext/ffmpeg/gstffmpegdemux.c: (gst_ffmpegdemux_add), (gst_ffmpegdemux_register): * ext/ffmpeg/gstffmpegenc.c: (gst_ffmpegenc_connect), (gst_ffmpegenc_register): * ext/ffmpeg/gstffmpegmux.c: (gst_ffmpegmux_register): Add encode property to codec mapper, so we can get better-fitting caps. Also use this everywhere. ;). Lastly, add some new codecIDs to our list of recognized ones.
683 lines
20 KiB
C
683 lines
20 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <assert.h>
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#include <string.h>
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#ifdef HAVE_FFMPEG_UNINSTALLED
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#include <avcodec.h>
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#else
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#include <ffmpeg/avcodec.h>
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#endif
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#include <gst/gst.h>
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#include "gstffmpegcodecmap.h"
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typedef struct _GstFFMpegEnc GstFFMpegEnc;
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struct _GstFFMpegEnc {
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GstElement element;
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/* We need to keep track of our pads, so we do so here. */
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GstPad *srcpad;
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GstPad *sinkpad;
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AVCodecContext *context;
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AVFrame *picture;
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gboolean opened;
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GstBuffer *cache;
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/* cache */
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gulong bitrate;
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gint me_method;
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gint gop_size;
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gulong buffer_size;
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};
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typedef struct _GstFFMpegEncClass GstFFMpegEncClass;
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struct _GstFFMpegEncClass {
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GstElementClass parent_class;
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AVCodec *in_plugin;
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GstPadTemplate *srctempl, *sinktempl;
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};
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typedef struct {
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AVCodec *in_plugin;
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GstCaps *srccaps, *sinkcaps;
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} GstFFMpegEncClassParams;
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#define GST_TYPE_FFMPEGENC \
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(gst_ffmpegenc_get_type())
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#define GST_FFMPEGENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGENC,GstFFMpegEnc))
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#define GST_FFMPEGENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGENC,GstFFMpegEncClass))
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#define GST_IS_FFMPEGENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGENC))
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#define GST_IS_FFMPEGENC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGENC))
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#define VIDEO_BUFFER_SIZE (1024*1024)
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enum {
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/* FILL ME */
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LAST_SIGNAL
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};
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enum {
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ARG_0,
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ARG_BIT_RATE,
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ARG_GOP_SIZE,
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ARG_ME_METHOD,
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ARG_BUFSIZE
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/* FILL ME */
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};
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#define GST_TYPE_ME_METHOD (gst_ffmpegenc_me_method_get_type())
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static GType
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gst_ffmpegenc_me_method_get_type (void)
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{
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static GType ffmpegenc_me_method_type = 0;
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static GEnumValue ffmpegenc_me_methods[] = {
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{ ME_ZERO, "0", "zero" },
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{ ME_FULL, "1", "full" },
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{ ME_LOG, "2", "logarithmic" },
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{ ME_PHODS, "3", "phods" },
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{ ME_EPZS, "4", "epzs" },
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{ ME_X1 , "5", "x1" },
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{ 0, NULL, NULL },
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};
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if (!ffmpegenc_me_method_type) {
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ffmpegenc_me_method_type = g_enum_register_static ("GstFFMpegEncMeMethod", ffmpegenc_me_methods);
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}
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return ffmpegenc_me_method_type;
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}
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static GHashTable *enc_global_plugins;
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/* A number of functon prototypes are given so we can refer to them later. */
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static void gst_ffmpegenc_class_init (GstFFMpegEncClass *klass);
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static void gst_ffmpegenc_base_init (GstFFMpegEncClass *klass);
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static void gst_ffmpegenc_init (GstFFMpegEnc *ffmpegenc);
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static void gst_ffmpegenc_dispose (GObject *object);
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static GstPadLinkReturn
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gst_ffmpegenc_connect (GstPad *pad, const GstCaps *caps);
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static void gst_ffmpegenc_chain_video (GstPad *pad, GstData *_data);
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static void gst_ffmpegenc_chain_audio (GstPad *pad, GstData *_data);
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static void gst_ffmpegenc_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gst_ffmpegenc_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static GstElementStateReturn
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gst_ffmpegenc_change_state (GstElement *element);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_ffmpegenc_signals[LAST_SIGNAL] = { 0 }; */
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static void
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gst_ffmpegenc_base_init (GstFFMpegEncClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstFFMpegEncClassParams *params;
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GstElementDetails details;
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GstPadTemplate *srctempl, *sinktempl;
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params = g_hash_table_lookup (enc_global_plugins,
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GINT_TO_POINTER (G_OBJECT_CLASS_TYPE (gobject_class)));
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/* HACK: if we don't have a GType yet, our params are stored at position 0 */
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if (!params) {
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params = g_hash_table_lookup (enc_global_plugins,
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GINT_TO_POINTER (0));
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}
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g_assert (params);
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/* construct the element details struct */
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details.longname = g_strdup_printf("FFMPEG %s encoder",
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params->in_plugin->name);
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details.klass = g_strdup_printf("Codec/Encoder/%s",
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(params->in_plugin->type == CODEC_TYPE_VIDEO) ?
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"Video" : "Audio");
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details.description = g_strdup_printf("FFMPEG %s encoder",
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params->in_plugin->name);
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details.author = "Wim Taymans <wim.taymans@chello.be>, "
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"Ronald Bultje <rbultje@ronald.bitfreak.net>";
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gst_element_class_set_details (element_class, &details);
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g_free (details.longname);
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g_free (details.klass);
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g_free (details.description);
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/* pad templates */
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sinktempl = gst_pad_template_new ("sink", GST_PAD_SINK,
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GST_PAD_ALWAYS, params->sinkcaps);
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srctempl = gst_pad_template_new ("src", GST_PAD_SRC,
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GST_PAD_ALWAYS, params->srccaps);
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gst_element_class_add_pad_template (element_class, srctempl);
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gst_element_class_add_pad_template (element_class, sinktempl);
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klass->in_plugin = params->in_plugin;
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klass->srctempl = srctempl;
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klass->sinktempl = sinktempl;
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}
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static void
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gst_ffmpegenc_class_init (GstFFMpegEncClass *klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
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if (klass->in_plugin->type == CODEC_TYPE_VIDEO) {
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g_object_class_install_property(G_OBJECT_CLASS (klass), ARG_BIT_RATE,
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g_param_spec_ulong ("bitrate","Bit Rate",
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"Target Video Bitrate",
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0, G_MAXULONG, 300000, G_PARAM_READWRITE));
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g_object_class_install_property(G_OBJECT_CLASS (klass), ARG_GOP_SIZE,
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g_param_spec_int ("gop_size","GOP Size",
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"Number of frames within one GOP",
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0, G_MAXINT, 15, G_PARAM_READWRITE));
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g_object_class_install_property(G_OBJECT_CLASS (klass), ARG_ME_METHOD,
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g_param_spec_enum ("me_method","ME Method",
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"Motion Estimation Method",
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GST_TYPE_ME_METHOD, ME_LOG, G_PARAM_READWRITE));
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BUFSIZE,
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g_param_spec_ulong("buffer_size", "Buffer Size",
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"Size of the video buffers",
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0,G_MAXULONG,0,G_PARAM_READWRITE));
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}
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else if (klass->in_plugin->type == CODEC_TYPE_AUDIO) {
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g_object_class_install_property(G_OBJECT_CLASS (klass), ARG_BIT_RATE,
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g_param_spec_ulong ("bitrate","Bit Rate",
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"Target Audio Bitrate",
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0, G_MAXULONG, 128000, G_PARAM_READWRITE));
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}
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gobject_class->set_property = gst_ffmpegenc_set_property;
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gobject_class->get_property = gst_ffmpegenc_get_property;
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gstelement_class->change_state = gst_ffmpegenc_change_state;
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gobject_class->dispose = gst_ffmpegenc_dispose;
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}
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static void
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gst_ffmpegenc_init(GstFFMpegEnc *ffmpegenc)
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{
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GstFFMpegEncClass *oclass = (GstFFMpegEncClass*)(G_OBJECT_GET_CLASS (ffmpegenc));
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/* setup pads */
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ffmpegenc->sinkpad = gst_pad_new_from_template (oclass->sinktempl, "sink");
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gst_pad_set_link_function (ffmpegenc->sinkpad, gst_ffmpegenc_connect);
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ffmpegenc->srcpad = gst_pad_new_from_template (oclass->srctempl, "src");
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gst_pad_use_explicit_caps (ffmpegenc->srcpad);
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gst_element_add_pad (GST_ELEMENT (ffmpegenc), ffmpegenc->sinkpad);
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gst_element_add_pad (GST_ELEMENT (ffmpegenc), ffmpegenc->srcpad);
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/* ffmpeg objects */
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ffmpegenc->context = avcodec_alloc_context();
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ffmpegenc->picture = avcodec_alloc_frame();
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ffmpegenc->opened = FALSE;
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ffmpegenc->cache = NULL;
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if (oclass->in_plugin->type == CODEC_TYPE_VIDEO) {
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gst_pad_set_chain_function (ffmpegenc->sinkpad, gst_ffmpegenc_chain_video);
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ffmpegenc->bitrate = 300000;
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ffmpegenc->buffer_size = 512 * 1024;
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ffmpegenc->gop_size = 15;
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} else if (oclass->in_plugin->type == CODEC_TYPE_AUDIO) {
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gst_pad_set_chain_function (ffmpegenc->sinkpad, gst_ffmpegenc_chain_audio);
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ffmpegenc->bitrate = 128000;
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}
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}
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static void
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gst_ffmpegenc_dispose (GObject *object)
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{
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GstFFMpegEnc *ffmpegenc = (GstFFMpegEnc *) object;
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/* close old session */
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if (ffmpegenc->opened) {
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avcodec_close (ffmpegenc->context);
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ffmpegenc->opened = FALSE;
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}
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/* clean up remaining allocated data */
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av_free (ffmpegenc->context);
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av_free (ffmpegenc->picture);
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}
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static GstPadLinkReturn
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gst_ffmpegenc_connect (GstPad *pad,
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const GstCaps *caps)
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{
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GstCaps *other_caps;
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GstCaps *allowed_caps;
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GstCaps *icaps;
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enum PixelFormat pix_fmt;
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GstFFMpegEnc *ffmpegenc = (GstFFMpegEnc *) gst_pad_get_parent (pad);
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GstFFMpegEncClass *oclass = (GstFFMpegEncClass *) G_OBJECT_GET_CLASS(ffmpegenc);
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/* close old session */
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if (ffmpegenc->opened) {
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avcodec_close (ffmpegenc->context);
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ffmpegenc->opened = FALSE;
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}
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/* set defaults */
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avcodec_get_context_defaults (ffmpegenc->context);
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/* user defined properties */
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ffmpegenc->context->bit_rate = ffmpegenc->bitrate;
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ffmpegenc->context->bit_rate_tolerance = ffmpegenc->bitrate;
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ffmpegenc->context->gop_size = ffmpegenc->gop_size;
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ffmpegenc->context->me_method = ffmpegenc->me_method;
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/* general properties */
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ffmpegenc->context->qmin = 3;
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ffmpegenc->context->qmax = 15;
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ffmpegenc->context->max_qdiff = 3;
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/* no edges */
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ffmpegenc->context->flags |= CODEC_FLAG_EMU_EDGE;
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/* fetch pix_fmt and so on */
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gst_ffmpeg_caps_to_codectype (oclass->in_plugin->type,
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caps, ffmpegenc->context);
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pix_fmt = ffmpegenc->context->pix_fmt;
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/* open codec */
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if (avcodec_open (ffmpegenc->context, oclass->in_plugin) < 0) {
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avcodec_close (ffmpegenc->context);
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GST_DEBUG ("ffenc_%s: Failed to open FFMPEG codec",
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oclass->in_plugin->name);
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return GST_PAD_LINK_REFUSED;
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}
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/* is the colourspace correct? */
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if (pix_fmt != ffmpegenc->context->pix_fmt) {
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avcodec_close (ffmpegenc->context);
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GST_DEBUG ("ffenc_%s: AV wants different colourspace (%d given, %d wanted)",
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oclass->in_plugin->name, pix_fmt, ffmpegenc->context->pix_fmt);
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return GST_PAD_LINK_REFUSED;
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}
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/* try to set this caps on the other side */
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other_caps = gst_ffmpeg_codecid_to_caps (oclass->in_plugin->id,
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ffmpegenc->context, TRUE);
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if (!other_caps) {
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avcodec_close (ffmpegenc->context);
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GST_DEBUG ("Unsupported codec - no caps found");
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return GST_PAD_LINK_REFUSED;
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}
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allowed_caps = gst_pad_get_allowed_caps (ffmpegenc->srcpad);
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icaps = gst_caps_intersect (allowed_caps, other_caps);
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gst_caps_free (allowed_caps);
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gst_caps_free (other_caps);
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if (gst_caps_is_empty (icaps)) {
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gst_caps_free (icaps);
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return GST_PAD_LINK_REFUSED;
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}
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if (gst_caps_get_size (icaps) > 1) {
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GstCaps *newcaps;
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newcaps = gst_caps_new_full (gst_structure_copy (gst_caps_get_structure (icaps, 0)), NULL);
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gst_caps_free (icaps);
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icaps = newcaps;
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}
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/* FIXME set_explicit_caps is not supposed to be used in a pad link
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* function. */
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if (!gst_pad_set_explicit_caps (ffmpegenc->srcpad, icaps)) {
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avcodec_close (ffmpegenc->context);
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gst_caps_free (icaps);
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return GST_PAD_LINK_REFUSED;
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}
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gst_caps_free (icaps);
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/* success! */
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ffmpegenc->opened = TRUE;
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return GST_PAD_LINK_OK;
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}
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static void
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gst_ffmpegenc_chain_video (GstPad *pad,
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GstData *_data)
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{
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GstBuffer *inbuf = GST_BUFFER (_data);
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GstBuffer *outbuf = NULL;
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GstFFMpegEnc *ffmpegenc = (GstFFMpegEnc *)(gst_pad_get_parent (pad));
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GstFFMpegEncClass *oclass = (GstFFMpegEncClass*)(G_OBJECT_GET_CLASS(ffmpegenc));
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gint ret_size = 0;
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/* FIXME: events (discont (flush!) and eos (close down) etc.) */
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outbuf = gst_buffer_new_and_alloc (ffmpegenc->buffer_size);
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avpicture_fill ((AVPicture *) ffmpegenc->picture,
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GST_BUFFER_DATA (inbuf),
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ffmpegenc->context->pix_fmt,
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ffmpegenc->context->width,
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ffmpegenc->context->height);
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ffmpegenc->picture->pts = GST_BUFFER_TIMESTAMP (inbuf) / 1000;
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ret_size = avcodec_encode_video (ffmpegenc->context,
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GST_BUFFER_DATA (outbuf),
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GST_BUFFER_MAXSIZE (outbuf),
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ffmpegenc->picture);
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if (ret_size < 0) {
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g_warning("ffenc_%s: failed to encode buffer",
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oclass->in_plugin->name);
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gst_buffer_unref (inbuf);
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return;
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}
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GST_BUFFER_SIZE (outbuf) = ret_size;
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GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (inbuf);
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GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (inbuf);
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gst_pad_push (ffmpegenc->srcpad, GST_DATA (outbuf));
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gst_buffer_unref (inbuf);
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}
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static void
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gst_ffmpegenc_chain_audio (GstPad *pad,
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GstData *_data)
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{
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GstBuffer *inbuf = GST_BUFFER (_data);
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GstBuffer *outbuf = NULL, *subbuf;
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GstFFMpegEnc *ffmpegenc = (GstFFMpegEnc *)(gst_pad_get_parent (pad));
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GstFFMpegEncClass *oclass = (GstFFMpegEncClass*)(G_OBJECT_GET_CLASS(ffmpegenc));
|
|
gint size, ret_size = 0, in_size, frame_size;
|
|
|
|
size = GST_BUFFER_SIZE (inbuf);
|
|
|
|
/* FIXME: events (discont (flush!) and eos (close down) etc.) */
|
|
|
|
frame_size = ffmpegenc->context->frame_size * 2 *
|
|
ffmpegenc->context->channels;
|
|
in_size = size;
|
|
if (ffmpegenc->cache)
|
|
in_size += GST_BUFFER_SIZE (ffmpegenc->cache);
|
|
|
|
while (1) {
|
|
/* do we have enough data for one frame? */
|
|
if (in_size / (2 * ffmpegenc->context->channels) <
|
|
ffmpegenc->context->frame_size) {
|
|
if (in_size > size) {
|
|
/* this is panic! we got a buffer, but still don't have enough
|
|
* data. Merge them and retry in the next cycle... */
|
|
ffmpegenc->cache = gst_buffer_merge (ffmpegenc->cache, inbuf);
|
|
} else if (in_size == size) {
|
|
/* exactly the same! how wonderful */
|
|
ffmpegenc->cache = inbuf;
|
|
} else if (in_size > 0) {
|
|
ffmpegenc->cache = gst_buffer_create_sub (inbuf, size - in_size,
|
|
in_size);
|
|
GST_BUFFER_DURATION (ffmpegenc->cache) =
|
|
GST_BUFFER_DURATION (inbuf) * GST_BUFFER_SIZE (ffmpegenc->cache) / size;
|
|
GST_BUFFER_TIMESTAMP (ffmpegenc->cache) =
|
|
GST_BUFFER_TIMESTAMP (inbuf) + (GST_BUFFER_DURATION (inbuf) *
|
|
(size - in_size) / size);
|
|
gst_buffer_unref (inbuf);
|
|
} else {
|
|
gst_buffer_unref (inbuf);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/* create the frame */
|
|
if (in_size > size) {
|
|
/* merge */
|
|
subbuf = gst_buffer_create_sub (inbuf, 0, frame_size - (in_size - size));
|
|
GST_BUFFER_DURATION (subbuf) =
|
|
GST_BUFFER_DURATION (inbuf) * GST_BUFFER_SIZE (subbuf) / size;
|
|
subbuf = gst_buffer_merge (ffmpegenc->cache, subbuf);
|
|
ffmpegenc->cache = NULL;
|
|
} else {
|
|
subbuf = gst_buffer_create_sub (inbuf, size - in_size, frame_size);
|
|
GST_BUFFER_DURATION (subbuf) =
|
|
GST_BUFFER_DURATION (inbuf) * GST_BUFFER_SIZE (subbuf) / size;
|
|
GST_BUFFER_TIMESTAMP (subbuf) =
|
|
GST_BUFFER_TIMESTAMP (inbuf) + (GST_BUFFER_DURATION (inbuf) *
|
|
(size - in_size) / size);
|
|
}
|
|
|
|
outbuf = gst_buffer_new_and_alloc (GST_BUFFER_SIZE (inbuf));
|
|
ret_size = avcodec_encode_audio (ffmpegenc->context,
|
|
GST_BUFFER_DATA (outbuf),
|
|
GST_BUFFER_MAXSIZE (outbuf),
|
|
(const short int *)
|
|
GST_BUFFER_DATA (subbuf));
|
|
|
|
if (ret_size < 0) {
|
|
g_warning("ffenc_%s: failed to encode buffer",
|
|
oclass->in_plugin->name);
|
|
gst_buffer_unref (inbuf);
|
|
gst_buffer_unref (outbuf);
|
|
gst_buffer_unref (subbuf);
|
|
return;
|
|
}
|
|
|
|
GST_BUFFER_SIZE (outbuf) = ret_size;
|
|
GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (subbuf);
|
|
GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (subbuf);
|
|
gst_pad_push (ffmpegenc->srcpad, GST_DATA (outbuf));
|
|
|
|
in_size -= frame_size;
|
|
gst_buffer_unref (subbuf);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_ffmpegenc_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GstFFMpegEnc *ffmpegenc;
|
|
|
|
/* Get a pointer of the right type. */
|
|
ffmpegenc = (GstFFMpegEnc *)(object);
|
|
|
|
/* Check the argument id to see which argument we're setting. */
|
|
switch (prop_id) {
|
|
case ARG_BIT_RATE:
|
|
ffmpegenc->bitrate = g_value_get_ulong (value);
|
|
break;
|
|
case ARG_GOP_SIZE:
|
|
ffmpegenc->gop_size = g_value_get_int (value);
|
|
break;
|
|
case ARG_ME_METHOD:
|
|
ffmpegenc->me_method = g_value_get_enum (value);
|
|
break;
|
|
case ARG_BUFSIZE:
|
|
ffmpegenc->buffer_size = g_value_get_ulong(value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* The set function is simply the inverse of the get fuction. */
|
|
static void
|
|
gst_ffmpegenc_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GstFFMpegEnc *ffmpegenc;
|
|
|
|
/* It's not null if we got it, but it might not be ours */
|
|
ffmpegenc = (GstFFMpegEnc *)(object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_BIT_RATE:
|
|
g_value_set_ulong (value, ffmpegenc->bitrate);
|
|
break;
|
|
case ARG_GOP_SIZE:
|
|
g_value_set_int (value, ffmpegenc->gop_size);
|
|
break;
|
|
case ARG_ME_METHOD:
|
|
g_value_set_enum (value, ffmpegenc->me_method);
|
|
break;
|
|
case ARG_BUFSIZE:
|
|
g_value_set_ulong (value, ffmpegenc->buffer_size);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static GstElementStateReturn
|
|
gst_ffmpegenc_change_state (GstElement *element)
|
|
{
|
|
GstFFMpegEnc *ffmpegenc = (GstFFMpegEnc *) element;
|
|
gint transition = GST_STATE_TRANSITION (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_PAUSED_TO_READY:
|
|
if (ffmpegenc->opened) {
|
|
avcodec_close (ffmpegenc->context);
|
|
ffmpegenc->opened = FALSE;
|
|
}
|
|
if (ffmpegenc->cache) {
|
|
gst_buffer_unref (ffmpegenc->cache);
|
|
ffmpegenc->cache = NULL;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
|
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
|
|
|
return GST_STATE_SUCCESS;
|
|
}
|
|
|
|
gboolean
|
|
gst_ffmpegenc_register (GstPlugin *plugin)
|
|
{
|
|
GTypeInfo typeinfo = {
|
|
sizeof(GstFFMpegEncClass),
|
|
(GBaseInitFunc)gst_ffmpegenc_base_init,
|
|
NULL,
|
|
(GClassInitFunc)gst_ffmpegenc_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof(GstFFMpegEnc),
|
|
0,
|
|
(GInstanceInitFunc)gst_ffmpegenc_init,
|
|
};
|
|
GType type;
|
|
AVCodec *in_plugin;
|
|
|
|
in_plugin = first_avcodec;
|
|
|
|
enc_global_plugins = g_hash_table_new (NULL, NULL);
|
|
|
|
while (in_plugin) {
|
|
gchar *type_name;
|
|
GstCaps *srccaps, *sinkcaps;
|
|
GstFFMpegEncClassParams *params;
|
|
|
|
/* no quasi codecs, please */
|
|
if (in_plugin->id == CODEC_ID_RAWVIDEO ||
|
|
(in_plugin->id >= CODEC_ID_PCM_S16LE &&
|
|
in_plugin->id <= CODEC_ID_PCM_ALAW)) {
|
|
goto next;
|
|
}
|
|
|
|
/* only encoders */
|
|
if (!in_plugin->encode) {
|
|
goto next;
|
|
}
|
|
|
|
/* first make sure we've got a supported type */
|
|
srccaps = gst_ffmpeg_codecid_to_caps (in_plugin->id, NULL, TRUE);
|
|
sinkcaps = gst_ffmpeg_codectype_to_caps (in_plugin->type, NULL);
|
|
if (!sinkcaps || !srccaps)
|
|
goto next;
|
|
|
|
/* construct the type */
|
|
type_name = g_strdup_printf("ffenc_%s", in_plugin->name);
|
|
|
|
/* if it's already registered, drop it */
|
|
if (g_type_from_name(type_name)) {
|
|
g_free(type_name);
|
|
goto next;
|
|
}
|
|
|
|
params = g_new0 (GstFFMpegEncClassParams, 1);
|
|
params->in_plugin = in_plugin;
|
|
params->srccaps = srccaps;
|
|
params->sinkcaps = sinkcaps;
|
|
|
|
g_hash_table_insert (enc_global_plugins,
|
|
GINT_TO_POINTER (0),
|
|
(gpointer) params);
|
|
|
|
/* create the glib type now */
|
|
type = g_type_register_static(GST_TYPE_ELEMENT, type_name , &typeinfo, 0);
|
|
if (!gst_element_register (plugin, type_name, GST_RANK_NONE, type)) {
|
|
g_free (type_name);
|
|
return FALSE;
|
|
}
|
|
|
|
g_free (type_name);
|
|
|
|
g_hash_table_insert (enc_global_plugins,
|
|
GINT_TO_POINTER (type),
|
|
(gpointer) params);
|
|
|
|
next:
|
|
in_plugin = in_plugin->next;
|
|
}
|
|
g_hash_table_remove (enc_global_plugins, GINT_TO_POINTER (0));
|
|
|
|
return TRUE;
|
|
}
|