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ffmpeg: use a AVDictionary instead of the context to move swr parameters around

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This avoids per parameter changes in ffmpeg at the cost of making access
somewhat more annoying.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-02-24 19:07:42 +01:00
parent f3abdf4392
commit ad899522ff
6 changed files with 20 additions and 27 deletions
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10
ffmpeg_filter.c
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@ -739,12 +739,10 @@ int configure_filtergraph(FilterGraph *fg)
fg->graph->scale_sws_opts = av_strdup(args);
args[0] = 0;
if (ost->swr_filter_type != SWR_FILTER_TYPE_KAISER)
av_strlcatf(args, sizeof(args), "filter_type=%d:", (int)ost->swr_filter_type);
if (ost->swr_dither_method)
av_strlcatf(args, sizeof(args), "dither_method=%d:", (int)ost->swr_dither_method);
if (ost->swr_dither_scale != 1.0)
av_strlcatf(args, sizeof(args), "dither_scale=%f:", ost->swr_dither_scale);
while ((e = av_dict_get(ost->swr_opts, "", e,
AV_DICT_IGNORE_SUFFIX))) {
av_strlcatf(args, sizeof(args), "%s=%s:", e->key, e->value);
}
if (strlen(args))
args[strlen(args)-1] = 0;
av_opt_set(fg->graph, "aresample_swr_opts", args, 0);