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pw-cat: Add fallback for the older libavcodec channel layout API

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Signed-off-by: Carlos Rafael Giani <crg7475@mailbox.org>
This commit is contained in:
Carlos Rafael Giani 2022-11-28 18:01:09 +01:00 • committed by Wim Taymans
parent e261f2ac1c
commit 59ad6c26aa
1 changed files with 11 additions and 2 deletions
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13
src/tools/pw-cat.c
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@ -1278,6 +1278,7 @@ static int setup_encodedfile(struct data *data)
{
int ret;
int bits_per_sample;
int num_channels;
char path[256] = { 0 };
/* We do not support record with encoded media */
@ -1317,14 +1318,22 @@ static int setup_encodedfile(struct data *data)
printf("Number of streams: %d Codec id: %x\n", data->fmt_context->nb_streams,
data->ctx->codec_id);
/* FFmpeg 5.1 (which contains libavcodec 59.37.100) introduced
* a new channel layout API and deprecated the old one. */
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(59, 37, 100)
num_channels = data->ctx->ch_layout.nb_channels;
#else
num_channels = data->ctx->channels;
#endif
data->rate = data->ctx->sample_rate;
data->channels = data->ctx->ch_layout.nb_channels;
data->channels = num_channels;
data->sfmt = data->ctx->sample_fmt;
data->stride = 1; // Don't care
bits_per_sample = av_get_bits_per_sample(data->ctx->codec_id);
data->bitrate = bits_per_sample ?
data->ctx->sample_rate * data->ctx->ch_layout.nb_channels * bits_per_sample : data->ctx->bit_rate;
data->ctx->sample_rate * num_channels * bits_per_sample : data->ctx->bit_rate;
data->spa_format = SPA_AUDIO_FORMAT_ENCODED;
data->fill = playback_fill_fn(data->spa_format);