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avvidenc: do all negotiation before opening the decoder

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We first want to complete negotiation before opening the encoder.
Negotiation might configure flags and other things that might be needed
when opening the encoder.
This commit is contained in:
Wim Taymans 2014-05-29 18:16:42 +02:00
parent e066785ad0
commit 3dda75f493
1 changed files with 39 additions and 42 deletions
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81
ext/libav/gstavvidenc.c
View file

@ -433,24 +433,6 @@ gst_ffmpegvidenc_set_format (GstVideoEncoder * encoder,
: ffmpegenc->max_key_interval;
}
/* open codec */
if (gst_ffmpeg_avcodec_open (ffmpegenc->context, oclass->in_plugin) < 0)
goto open_codec_fail;
/* second pass stats buffer no longer needed */
if (ffmpegenc->context->stats_in)
g_free (ffmpegenc->context->stats_in);
/* is the colourspace correct? */
if (pix_fmt != ffmpegenc->context->pix_fmt)
goto pix_fmt_err;
/* we may have failed mapping caps to a pixfmt,
* and quite some codecs do not make up their own mind about that
* in any case, _NONE can never work out later on */
if (pix_fmt == PIX_FMT_NONE)
goto bad_input_fmt;
/* some codecs support more than one format, first auto-choose one */
GST_DEBUG_OBJECT (ffmpegenc, "picking an output format ...");
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
@ -479,10 +461,30 @@ gst_ffmpegvidenc_set_format (GstVideoEncoder * encoder,
gst_caps_unref (other_caps);
if (gst_caps_is_empty (icaps)) {
gst_caps_unref (icaps);
return FALSE;
goto unsupported_codec;
}
icaps = gst_caps_truncate (icaps);
GST_DEBUG_OBJECT (ffmpegenc, "codec flags 0x%08x", ffmpegenc->context->flags);
/* open codec */
if (gst_ffmpeg_avcodec_open (ffmpegenc->context, oclass->in_plugin) < 0)
goto open_codec_fail;
/* is the colourspace correct? */
if (pix_fmt != ffmpegenc->context->pix_fmt)
goto pix_fmt_err;
/* we may have failed mapping caps to a pixfmt,
* and quite some codecs do not make up their own mind about that
* in any case, _NONE can never work out later on */
if (pix_fmt == PIX_FMT_NONE)
goto bad_input_fmt;
/* second pass stats buffer no longer needed */
if (ffmpegenc->context->stats_in)
g_free (ffmpegenc->context->stats_in);
/* Store input state and set output state */
if (ffmpegenc->input_state)
gst_video_codec_state_unref (ffmpegenc->input_state);
@ -512,52 +514,47 @@ file_read_err:
return FALSE;
}
insane_timebase:
{
GST_ERROR_OBJECT (ffmpegenc, "Rejecting time base %d/%d",
ffmpegenc->context->time_base.den, ffmpegenc->context->time_base.num);
goto cleanup_stats_in;
}
unsupported_codec:
{
GST_DEBUG ("Unsupported codec - no caps found");
goto cleanup_stats_in;
}
open_codec_fail:
{
gst_ffmpeg_avcodec_close (ffmpegenc->context);
if (avcodec_get_context_defaults3 (ffmpegenc->context,
oclass->in_plugin) < 0)
GST_DEBUG_OBJECT (ffmpegenc, "Failed to set context defaults");
if (ffmpegenc->context->stats_in)
g_free (ffmpegenc->context->stats_in);
GST_DEBUG_OBJECT (ffmpegenc, "avenc_%s: Failed to open libav codec",
oclass->in_plugin->name);
return FALSE;
goto close_codec;
}
pix_fmt_err:
{
gst_ffmpeg_avcodec_close (ffmpegenc->context);
if (avcodec_get_context_defaults3 (ffmpegenc->context,
oclass->in_plugin) < 0)
GST_DEBUG_OBJECT (ffmpegenc, "Failed to set context defaults");
GST_DEBUG_OBJECT (ffmpegenc,
"avenc_%s: AV wants different colourspace (%d given, %d wanted)",
oclass->in_plugin->name, pix_fmt, ffmpegenc->context->pix_fmt);
return FALSE;
goto close_codec;
}
bad_input_fmt:
{
GST_DEBUG_OBJECT (ffmpegenc, "avenc_%s: Failed to determine input format",
oclass->in_plugin->name);
return FALSE;
goto close_codec;
}
unsupported_codec:
{
close_codec:
gst_ffmpeg_avcodec_close (ffmpegenc->context);
if (avcodec_get_context_defaults3 (ffmpegenc->context,
oclass->in_plugin) < 0)
GST_DEBUG_OBJECT (ffmpegenc, "Failed to set context defaults");
GST_DEBUG ("Unsupported codec - no caps found");
return FALSE;
}
insane_timebase:
{
GST_ERROR_OBJECT (ffmpegenc, "Rejecting time base %d/%d",
ffmpegenc->context->time_base.den, ffmpegenc->context->time_base.num);
cleanup_stats_in:
if (ffmpegenc->context->stats_in)
g_free (ffmpegenc->context->stats_in);
return FALSE;
}
}