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FFplay : Implement custom reget_buffer for the input filter.

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Originally committed as revision 23287 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Jai Menon 2010-05-24 14:19:44 +00:00
parent 612dc0238a
commit 12bd3c1f99
1 changed files with 20 additions and 0 deletions
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20
ffplay.c
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@ -1609,6 +1609,25 @@ static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
avfilter_unref_pic(pic->opaque);
}
static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
{
AVFilterPicRef *ref = pic->opaque;
if (pic->data[0] == NULL) {
pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
return codec->get_buffer(codec, pic);
}
if ((codec->width != ref->w) || (codec->height != ref->h) ||
(codec->pix_fmt != ref->pic->format)) {
av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
return -1;
}
pic->reordered_opaque = codec->reordered_opaque;
return 0;
}
static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
{
FilterPriv *priv = ctx->priv;
@ -1622,6 +1641,7 @@ static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
priv->use_dr1 = 1;
codec->get_buffer = input_get_buffer;
codec->release_buffer = input_release_buffer;
codec->reget_buffer = input_reget_buffer;
}
priv->frame = avcodec_alloc_frame();