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ffdec: cleanups

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Make things a little more readable.
This commit is contained in:
Wim Taymans 2011-07-29 13:08:53 +02:00
parent 3efd2bcbf7
commit 3a8445fc80
1 changed files with 52 additions and 51 deletions
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103
ext/ffmpeg/gstffmpegdec.c
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@ -1128,16 +1128,14 @@ gst_ffmpegdec_bufferpool (GstFFMpegDec * ffmpegdec)
gint linesize_align[4];
guint edge;
GstCaps *caps;
AVCodecContext *context = ffmpegdec->context;
width = ffmpegdec->ctx_width;
height = ffmpegdec->ctx_height;
/* let ffmpeg find the alignment and padding */
avcodec_align_dimensions2 (ffmpegdec->context, &width, &height,
linesize_align);
edge =
ffmpegdec->context->
flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width ();
avcodec_align_dimensions2 (context, &width, &height, linesize_align);
edge = context->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width ();
/* increase the size for the padding */
width += edge << 1;
height += edge << 1;
@ -1193,14 +1191,16 @@ gst_ffmpegdec_bufferpool (GstFFMpegDec * ffmpegdec)
static gboolean
update_video_context (GstFFMpegDec * ffmpegdec, gboolean force)
{
if (!force && ffmpegdec->ctx_width == ffmpegdec->context->width
&& ffmpegdec->ctx_height == ffmpegdec->context->height
&& ffmpegdec->ctx_ticks == ffmpegdec->context->ticks_per_frame
&& ffmpegdec->ctx_time_n == ffmpegdec->context->time_base.num
&& ffmpegdec->ctx_time_d == ffmpegdec->context->time_base.den
&& ffmpegdec->ctx_pix_fmt == ffmpegdec->context->pix_fmt
&& ffmpegdec->ctx_par_n == ffmpegdec->context->sample_aspect_ratio.num
&& ffmpegdec->ctx_par_d == ffmpegdec->context->sample_aspect_ratio.den)
AVCodecContext *context = ffmpegdec->context;
if (!force && ffmpegdec->ctx_width == context->width
&& ffmpegdec->ctx_height == context->height
&& ffmpegdec->ctx_ticks == context->ticks_per_frame
&& ffmpegdec->ctx_time_n == context->time_base.num
&& ffmpegdec->ctx_time_d == context->time_base.den
&& ffmpegdec->ctx_pix_fmt == context->pix_fmt
&& ffmpegdec->ctx_par_n == context->sample_aspect_ratio.num
&& ffmpegdec->ctx_par_d == context->sample_aspect_ratio.den)
return FALSE;
GST_DEBUG_OBJECT (ffmpegdec,
@ -1208,45 +1208,19 @@ update_video_context (GstFFMpegDec * ffmpegdec, gboolean force)
ffmpegdec->ctx_width, ffmpegdec->ctx_height,
ffmpegdec->ctx_par_n, ffmpegdec->ctx_par_d,
ffmpegdec->ctx_time_n, ffmpegdec->ctx_time_d,
ffmpegdec->context->width, ffmpegdec->context->height,
ffmpegdec->context->sample_aspect_ratio.num,
ffmpegdec->context->sample_aspect_ratio.den,
ffmpegdec->context->time_base.num, ffmpegdec->context->time_base.den);
context->width, context->height,
context->sample_aspect_ratio.num,
context->sample_aspect_ratio.den,
context->time_base.num, context->time_base.den);
ffmpegdec->ctx_width = ffmpegdec->context->width;
ffmpegdec->ctx_height = ffmpegdec->context->height;
ffmpegdec->ctx_ticks = ffmpegdec->context->ticks_per_frame;
ffmpegdec->ctx_time_n = ffmpegdec->context->time_base.num;
ffmpegdec->ctx_time_d = ffmpegdec->context->time_base.den;
ffmpegdec->ctx_pix_fmt = ffmpegdec->context->pix_fmt;
ffmpegdec->ctx_par_n = ffmpegdec->context->sample_aspect_ratio.num;
ffmpegdec->ctx_par_d = ffmpegdec->context->sample_aspect_ratio.den;
return TRUE;
}
static gboolean
update_audio_context (GstFFMpegDec * ffmpegdec, gboolean force)
{
gint depth;
depth = av_smp_format_depth (ffmpegdec->context->sample_fmt);
if (!force && ffmpegdec->format.audio.samplerate ==
ffmpegdec->context->sample_rate &&
ffmpegdec->format.audio.channels == ffmpegdec->context->channels &&
ffmpegdec->format.audio.depth == depth)
return FALSE;
GST_DEBUG_OBJECT (ffmpegdec,
"Renegotiating audio from %dHz@%dchannels (%d) to %dHz@%dchannels (%d)",
ffmpegdec->format.audio.samplerate, ffmpegdec->format.audio.channels,
ffmpegdec->format.audio.depth,
ffmpegdec->context->sample_rate, ffmpegdec->context->channels, depth);
ffmpegdec->format.audio.samplerate = ffmpegdec->context->sample_rate;
ffmpegdec->format.audio.channels = ffmpegdec->context->channels;
ffmpegdec->format.audio.depth = depth;
ffmpegdec->ctx_width = context->width;
ffmpegdec->ctx_height = context->height;
ffmpegdec->ctx_ticks = context->ticks_per_frame;
ffmpegdec->ctx_time_n = context->time_base.num;
ffmpegdec->ctx_time_d = context->time_base.den;
ffmpegdec->ctx_pix_fmt = context->pix_fmt;
ffmpegdec->ctx_par_n = context->sample_aspect_ratio.num;
ffmpegdec->ctx_par_d = context->sample_aspect_ratio.den;
return TRUE;
}
@ -1379,6 +1353,33 @@ no_bufferpool:
}
}
static gboolean
update_audio_context (GstFFMpegDec * ffmpegdec, gboolean force)
{
AVCodecContext *context = ffmpegdec->context;
gint depth;
depth = av_smp_format_depth (context->sample_fmt);
if (!force && ffmpegdec->format.audio.samplerate ==
context->sample_rate &&
ffmpegdec->format.audio.channels == context->channels &&
ffmpegdec->format.audio.depth == depth)
return FALSE;
GST_DEBUG_OBJECT (ffmpegdec,
"Renegotiating audio from %dHz@%dchannels (%d) to %dHz@%dchannels (%d)",
ffmpegdec->format.audio.samplerate, ffmpegdec->format.audio.channels,
ffmpegdec->format.audio.depth,
context->sample_rate, context->channels, depth);
ffmpegdec->format.audio.samplerate = context->sample_rate;
ffmpegdec->format.audio.channels = context->channels;
ffmpegdec->format.audio.depth = depth;
return TRUE;
}
static gboolean
gst_ffmpegdec_audio_negotiate (GstFFMpegDec * ffmpegdec, gboolean force)
{