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lavfi/abuffersink: add sample_rates field to AVABufferSinkParams

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Allow to select sample rates.
This commit is contained in:
Stefano Sabatini 2013-02-03 19:33:58 +01:00
parent 5085b46496
commit b59cd089ff
4 changed files with 19 additions and 1 deletions
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3
doc/APIchanges
View File

@ -15,6 +15,9 @@ libavutil: 2012-10-22
API changes, most recent first:
2013-02-24 - xxxxxx - lavfi 3.41.100 - buffersink.h
Add sample_rates field to AVABufferSinkParams.
2013-01-17 - a1a707f - lavf 54.61.100
Add av_codec_get_tag2().

1
libavfilter/buffersink.h
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@ -48,6 +48,7 @@ typedef struct {
const int64_t *channel_layouts; ///< list of allowed channel layouts, terminated by -1
const int *channel_counts; ///< list of allowed channel counts, terminated by -1
int all_channel_counts; ///< if not 0, accept any channel count or layout
int *sample_rates; ///< list of allowed sample rates, terminated by -1
} AVABufferSinkParams;
/**

14
libavfilter/sink_buffer.c
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@ -62,6 +62,7 @@ typedef struct {
enum AVSampleFormat *sample_fmts; ///< list of accepted sample formats, terminated by AV_SAMPLE_FMT_NONE
int64_t *channel_layouts; ///< list of accepted channel layouts, terminated by -1
int all_channel_counts;
int *sample_rates; ///< list of accepted sample rates, terminated by -1
} BufferSinkContext;
#define FIFO_INIT_SIZE 8
@ -303,6 +304,11 @@ static av_cold int asink_init(AVFilterContext *ctx, const char *args, void *opaq
if (!buf->sample_fmts)
return AVERROR(ENOMEM);
}
if (params && params->sample_rates) {
buf->sample_rates = ff_copy_int_list(params->sample_rates);
if (!buf->sample_rates)
return AVERROR(ENOMEM);
}
if (params && (params->channel_layouts || params->channel_counts)) {
if (params->all_channel_counts) {
av_log(ctx, AV_LOG_ERROR,
@ -324,6 +330,7 @@ static av_cold void asink_uninit(AVFilterContext *ctx)
BufferSinkContext *buf = ctx->priv;
av_freep(&buf->sample_fmts);
av_freep(&buf->sample_rates);
av_freep(&buf->channel_layouts);
common_uninit(ctx);
}
@ -348,6 +355,13 @@ static int asink_query_formats(AVFilterContext *ctx)
ff_set_common_channel_layouts(ctx, layouts);
}
if (buf->sample_rates) {
formats = ff_make_format_list(buf->sample_rates);
if (!formats)
return AVERROR(ENOMEM);
ff_set_common_samplerates(ctx, formats);
}
return 0;
}

2
libavfilter/version.h
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@ -29,7 +29,7 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 3
#define LIBAVFILTER_VERSION_MINOR 40
#define LIBAVFILTER_VERSION_MINOR 41
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \