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ffmpeg: move pan filter insertion up.

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This fixes one (disabled) fate test.

Thanks-to: ubitux to pointing at the odd filter order and stereo/mono messup
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/59/head
Michael Niedermayer 13 years ago
parent 0766b6e3ec
commit d43812e235
1 changed files with 33 additions and 34 deletions
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  1. 67
      ffmpeg.c

67
ffmpeg.c
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@ -1004,6 +1004,39 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter,
if (ret < 0)
return ret;
#define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do { \
AVFilterContext *filt_ctx; \
\
av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
"similarly to -af " filter_name "=%s.\n", arg); \
\
ret = avfilter_graph_create_filter(&filt_ctx, \
avfilter_get_by_name(filter_name), \
filter_name, arg, NULL, fg->graph); \
if (ret < 0) \
return ret; \
\
ret = avfilter_link(last_filter, pad_idx, filt_ctx, 0); \
if (ret < 0) \
return ret; \
\
last_filter = filt_ctx; \
pad_idx = 0; \
} while (0)
if (ost->audio_channels_mapped) {
int i;
AVBPrint pan_buf;
av_bprint_init(&pan_buf, 256, 8192);
av_bprintf(&pan_buf, "0x%"PRIx64,
av_get_default_channel_layout(ost->audio_channels_mapped));
for (i = 0; i < ost->audio_channels_mapped; i++)
if (ost->audio_channels_map[i] != -1)
av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
AUTO_INSERT_FILTER("-map_channel", "pan", pan_buf.str);
av_bprint_finalize(&pan_buf, NULL);
}
if (codec->channels && !codec->channel_layout)
codec->channel_layout = av_get_default_channel_layout(codec->channels);
@ -1044,26 +1077,6 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter,
pad_idx = 0;
}
#define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do { \
AVFilterContext *filt_ctx; \
\
av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
"similarly to -af " filter_name "=%s.\n", arg); \
\
ret = avfilter_graph_create_filter(&filt_ctx, \
avfilter_get_by_name(filter_name), \
filter_name, arg, NULL, fg->graph); \
if (ret < 0) \
return ret; \
\
ret = avfilter_link(last_filter, pad_idx, filt_ctx, 0); \
if (ret < 0) \
return ret; \
\
last_filter = filt_ctx; \
pad_idx = 0; \
} while (0)
if (audio_sync_method > 0 && 0) {
char args[256] = {0};
@ -1073,20 +1086,6 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter,
AUTO_INSERT_FILTER("-async", "aresample", args);
}
if (ost->audio_channels_mapped) {
int i;
AVBPrint pan_buf;
av_bprint_init(&pan_buf, 256, 8192);
av_bprintf(&pan_buf, "0x%"PRIx64,
av_get_default_channel_layout(ost->audio_channels_mapped));
for (i = 0; i < ost->audio_channels_mapped; i++)
if (ost->audio_channels_map[i] != -1)
av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
AUTO_INSERT_FILTER("-map_channel", "pan", pan_buf.str);
av_bprint_finalize(&pan_buf, NULL);
}
if (audio_volume != 256) {
char args[256];

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