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ext/ffmpeg/gstffmpegenc.c: Move setup of sink caps (accepted formats) to a separate function rather than doing it on ...

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Original commit message from CVS:
* ext/ffmpeg/gstffmpegenc.c: (gst_ffmpegenc_base_init),
(gst_ffmpegenc_init), (gst_ffmpegenc_getcaps),
(gst_ffmpegenc_link):
Move setup of sink caps (accepted formats) to a separate function
rather than doing it on initialization.
This commit is contained in:
Ronald S. Bultje 2004-12-17 11:32:45 +00:00
parent 49b3ea828a
commit 67927465e6
2 changed files with 76 additions and 27 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2004-12-17 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/ffmpeg/gstffmpegenc.c: (gst_ffmpegenc_base_init),
(gst_ffmpegenc_init), (gst_ffmpegenc_getcaps),
(gst_ffmpegenc_link):
Move setup of sink caps (accepted formats) to a separate function
rather than doing it on initialization.
2004-12-16 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/ffmpeg/gstffmpegcodecmap.c: (gst_ffmpeg_codecid_to_caps),

95
ext/ffmpeg/gstffmpegenc.c
View file

@ -64,6 +64,7 @@ struct _GstFFMpegEncClass
AVCodec *in_plugin;
GstPadTemplate *srctempl, *sinktempl;
GstCaps *sinkcaps;
};
typedef struct
@ -130,8 +131,9 @@ static void gst_ffmpegenc_base_init (GstFFMpegEncClass * klass);
static void gst_ffmpegenc_init (GstFFMpegEnc * ffmpegenc);
static void gst_ffmpegenc_dispose (GObject * object);
static GstPadLinkReturn
gst_ffmpegenc_connect (GstPad * pad, const GstCaps * caps);
static GstPadLinkReturn gst_ffmpegenc_link (GstPad * pad,
const GstCaps * caps);
static GstCaps * gst_ffmpegenc_getcaps (GstPad * pad);
static void gst_ffmpegenc_chain_video (GstPad * pad, GstData * _data);
static void gst_ffmpegenc_chain_audio (GstPad * pad, GstData * _data);
@ -154,7 +156,6 @@ gst_ffmpegenc_base_init (GstFFMpegEncClass * klass)
GstFFMpegEncClassParams *params;
GstElementDetails details;
GstPadTemplate *srctempl, *sinktempl;
AVCodecContext *ctx;
params = g_hash_table_lookup (enc_global_plugins,
GINT_TO_POINTER (G_OBJECT_CLASS_TYPE (gobject_class)));
@ -178,28 +179,6 @@ gst_ffmpegenc_base_init (GstFFMpegEncClass * klass)
g_free (details.klass);
g_free (details.description);
/* get pix_fmt for this encoder */
if (params->in_plugin->type == CODEC_TYPE_VIDEO &&
(ctx = avcodec_alloc_context ()) != NULL) {
ctx->width = 384;
ctx->height = 288;
ctx->frame_rate_base = DEFAULT_FRAME_RATE_BASE;
ctx->frame_rate = 25 * DEFAULT_FRAME_RATE_BASE;
ctx->bit_rate = 350 * 1000;
/* makes it silent */
ctx->strict_std_compliance = -1;
if (avcodec_open (ctx, params->in_plugin) >= 0) {
gst_caps_free (params->sinkcaps);
ctx->width = -1;
params->sinkcaps =
gst_ffmpeg_codectype_to_caps (params->in_plugin->type, ctx);
}
/* FIXME: ffmpeg likes to crash on this */
//avcodec_close (ctx);
av_free (ctx);
}
/* pad templates */
sinktempl = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS, params->sinkcaps);
@ -212,6 +191,7 @@ gst_ffmpegenc_base_init (GstFFMpegEncClass * klass)
klass->in_plugin = params->in_plugin;
klass->srctempl = srctempl;
klass->sinktempl = sinktempl;
klass->sinkcaps = NULL;
}
static void
@ -262,7 +242,8 @@ gst_ffmpegenc_init (GstFFMpegEnc * ffmpegenc)
/* setup pads */
ffmpegenc->sinkpad = gst_pad_new_from_template (oclass->sinktempl, "sink");
gst_pad_set_link_function (ffmpegenc->sinkpad, gst_ffmpegenc_connect);
gst_pad_set_link_function (ffmpegenc->sinkpad, gst_ffmpegenc_link);
gst_pad_set_getcaps_function (ffmpegenc->sinkpad, gst_ffmpegenc_getcaps);
ffmpegenc->srcpad = gst_pad_new_from_template (oclass->srctempl, "src");
gst_pad_use_explicit_caps (ffmpegenc->srcpad);
@ -304,8 +285,68 @@ gst_ffmpegenc_dispose (GObject * object)
av_free (ffmpegenc->picture);
}
static GstCaps *
gst_ffmpegenc_getcaps (GstPad * pad)
{
GstFFMpegEnc *ffmpegenc = (GstFFMpegEnc *) gst_pad_get_parent (pad);
GstFFMpegEncClass *oclass =
(GstFFMpegEncClass *) G_OBJECT_GET_CLASS (ffmpegenc);
AVCodecContext *ctx;
enum PixelFormat pixfmt;
GstCaps *caps = NULL;
/* audio needs no special care */
if (oclass->in_plugin->type == CODEC_TYPE_AUDIO) {
return gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
/* cached */
if (oclass->sinkcaps) {
return gst_caps_copy (oclass->sinkcaps);
}
/* create cache etc. */
ctx = avcodec_alloc_context ();
if (!ctx) {
return gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
/* set some default properties */
ctx->width = 384;
ctx->height = 288;
ctx->frame_rate_base = DEFAULT_FRAME_RATE_BASE;
ctx->frame_rate = 25 * DEFAULT_FRAME_RATE_BASE;
ctx->bit_rate = 350 * 1000;
/* makes it silent */
ctx->strict_std_compliance = -1;
for (pixfmt = 0; pixfmt < PIX_FMT_NB; pixfmt++) {
ctx->pix_fmt = pixfmt;
if (avcodec_open (ctx, oclass->in_plugin) >= 0 &&
ctx->pix_fmt == pixfmt) {
ctx->width = -1;
if (!caps)
caps = gst_caps_new_empty ();
gst_caps_append (caps,
gst_ffmpeg_codectype_to_caps (oclass->in_plugin->type, ctx));
}
/* FIXME: ffmpeg likes to crash on this */
avcodec_close (ctx);
}
av_free (ctx);
/* make sure we have something */
if (!caps) {
return gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
oclass->sinkcaps = gst_caps_copy (caps);
return caps;
}
static GstPadLinkReturn
gst_ffmpegenc_connect (GstPad * pad, const GstCaps * caps)
gst_ffmpegenc_link (GstPad * pad, const GstCaps * caps)
{
GstCaps *other_caps;
GstCaps *allowed_caps;