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Merge commit 'ba8efac977f4276f05274947b2b67d144cbc965a'
* commit 'ba8efac977f4276f05274947b2b67d144cbc965a': af_channelmap: switch to an AVOptions-based system. Conflicts: doc/filters.texi libavfilter/af_channelmap.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
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d9d7c54960
@ -1208,7 +1208,7 @@ This filter accepts the following named parameters:
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Channel layout of the output stream.
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@item map
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Map channels from input to output. The argument is a comma-separated list of
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Map channels from input to output. The argument is a '|'-separated list of
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mappings, each in the @code{@var{in_channel}-@var{out_channel}} or
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@var{in_channel} form. @var{in_channel} can be either the name of the input
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channel (e.g. FL for front left) or its index in the input channel layout.
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@ -1222,14 +1222,14 @@ output channels preserving index.
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For example, assuming a 5.1+downmix input MOV file
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@example
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ffmpeg -i in.mov -filter 'channelmap=map=DL-FL\,DR-FR' out.wav
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ffmpeg -i in.mov -filter 'channelmap=map=DL-FL|DR-FR' out.wav
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@end example
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will create an output WAV file tagged as stereo from the downmix channels of
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the input.
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To fix a 5.1 WAV improperly encoded in AAC's native channel order
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@example
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ffmpeg -i in.wav -filter 'channelmap=1\,2\,0\,5\,3\,4:channel_layout=5.1' out.wav
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ffmpeg -i in.wav -filter 'channelmap=1|2|0|5|3|4:channel_layout=5.1' out.wav
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@end example
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@section join
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@ -123,25 +123,14 @@ static int get_channel(char **map, uint64_t *ch, char delim)
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static av_cold int channelmap_init(AVFilterContext *ctx, const char *args)
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{
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ChannelMapContext *s = ctx->priv;
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int ret;
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char *mapping;
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int ret = 0;
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char *mapping, separator = '|';
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int map_entries = 0;
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char buf[256];
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enum MappingMode mode;
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uint64_t out_ch_mask = 0;
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int i;
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if (!args) {
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av_log(ctx, AV_LOG_ERROR, "No parameters supplied.\n");
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return AVERROR(EINVAL);
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}
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s->class = &channelmap_class;
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av_opt_set_defaults(s);
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if ((ret = av_set_options_string(s, args, "=", ":")) < 0)
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return ret;
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mapping = s->mapping_str;
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if (!mapping) {
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@ -164,13 +153,20 @@ static av_cold int channelmap_init(AVFilterContext *ctx, const char *args)
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else
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mode = MAP_PAIR_STR_STR;
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}
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#if FF_API_OLD_FILTER_OPTS
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if (strchr(mapping, ',')) {
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av_log(ctx, AV_LOG_WARNING, "This syntax is deprecated, use "
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"'|' to separate the mappings.\n");
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separator = ',';
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}
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#endif
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}
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if (mode != MAP_NONE) {
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char *comma = mapping;
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char *sep = mapping;
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map_entries = 1;
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while ((comma = strchr(comma, ','))) {
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if (*++comma) // Allow trailing comma
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while ((sep = strchr(sep, separator))) {
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if (*++sep) // Allow trailing comma
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map_entries++;
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}
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}
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@ -187,7 +183,7 @@ static av_cold int channelmap_init(AVFilterContext *ctx, const char *args)
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static const char err[] = "Failed to parse channel map\n";
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switch (mode) {
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case MAP_ONE_INT:
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if (get_channel_idx(&mapping, &in_ch_idx, ',', MAX_CH) < 0) {
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if (get_channel_idx(&mapping, &in_ch_idx, separator, MAX_CH) < 0) {
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ret = AVERROR(EINVAL);
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av_log(ctx, AV_LOG_ERROR, err);
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goto fail;
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@ -196,7 +192,7 @@ static av_cold int channelmap_init(AVFilterContext *ctx, const char *args)
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s->map[i].out_channel_idx = i;
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break;
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case MAP_ONE_STR:
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if (!get_channel(&mapping, &in_ch, ',')) {
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if (!get_channel(&mapping, &in_ch, separator)) {
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av_log(ctx, AV_LOG_ERROR, err);
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ret = AVERROR(EINVAL);
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goto fail;
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@ -206,7 +202,7 @@ static av_cold int channelmap_init(AVFilterContext *ctx, const char *args)
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break;
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case MAP_PAIR_INT_INT:
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if (get_channel_idx(&mapping, &in_ch_idx, '-', MAX_CH) < 0 ||
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get_channel_idx(&mapping, &out_ch_idx, ',', MAX_CH) < 0) {
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get_channel_idx(&mapping, &out_ch_idx, separator, MAX_CH) < 0) {
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av_log(ctx, AV_LOG_ERROR, err);
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ret = AVERROR(EINVAL);
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goto fail;
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@ -216,7 +212,7 @@ static av_cold int channelmap_init(AVFilterContext *ctx, const char *args)
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break;
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case MAP_PAIR_INT_STR:
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if (get_channel_idx(&mapping, &in_ch_idx, '-', MAX_CH) < 0 ||
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get_channel(&mapping, &out_ch, ',') < 0 ||
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get_channel(&mapping, &out_ch, separator) < 0 ||
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out_ch & out_ch_mask) {
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av_log(ctx, AV_LOG_ERROR, err);
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ret = AVERROR(EINVAL);
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@ -228,7 +224,7 @@ static av_cold int channelmap_init(AVFilterContext *ctx, const char *args)
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break;
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case MAP_PAIR_STR_INT:
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if (get_channel(&mapping, &in_ch, '-') < 0 ||
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get_channel_idx(&mapping, &out_ch_idx, ',', MAX_CH) < 0) {
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get_channel_idx(&mapping, &out_ch_idx, separator, MAX_CH) < 0) {
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av_log(ctx, AV_LOG_ERROR, err);
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ret = AVERROR(EINVAL);
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goto fail;
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@ -238,7 +234,7 @@ static av_cold int channelmap_init(AVFilterContext *ctx, const char *args)
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break;
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case MAP_PAIR_STR_STR:
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if (get_channel(&mapping, &in_ch, '-') < 0 ||
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get_channel(&mapping, &out_ch, ',') < 0 ||
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get_channel(&mapping, &out_ch, separator) < 0 ||
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out_ch & out_ch_mask) {
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av_log(ctx, AV_LOG_ERROR, err);
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ret = AVERROR(EINVAL);
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@ -409,8 +405,8 @@ AVFilter avfilter_af_channelmap = {
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.init = channelmap_init,
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.query_formats = channelmap_query_formats,
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.priv_size = sizeof(ChannelMapContext),
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.priv_class = &channelmap_class,
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.inputs = avfilter_af_channelmap_inputs,
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.outputs = avfilter_af_channelmap_outputs,
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.priv_class = &channelmap_class,
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};
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@ -667,6 +667,7 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
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!strcmp(filter->filter->name, "blend" ) ||
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!strcmp(filter->filter->name, "boxblur" ) ||
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!strcmp(filter->filter->name, "cellauto") ||
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!strcmp(filter->filter->name, "channelmap") ||
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!strcmp(filter->filter->name, "colormatrix") ||
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!strcmp(filter->filter->name, "crop" ) ||
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!strcmp(filter->filter->name, "cropdetect") ||
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@ -1 +1 @@
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channelmap=map=1\,2\,0\,5\,3\,4:channel_layout=5.1
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channelmap=map=1|2|0|5|3|4:channel_layout=5.1
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