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[xcode] Use ffmpeg ch_layout instead of deprecated channel_layout/channels (#1536)

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Co-authored-by: whatdoineed2do/Ray <whatdoineed2do@nospam.gmail.com>
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whatdoineed2do 2022-10-06 16:09:01 +01:00 committed by GitHub
parent ce5f9c1e7a
commit 94c28386a6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 76 additions and 1 deletions
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6
configure.ac
View File

@ -240,6 +240,12 @@ OWNTONE_MODULES_CHECK([OWNTONE], [LIBAV],
[libavformat/avformat.h])
])
AS_IF([test "$is_ffmpeg" = "yes"],
[PKG_CHECK_EXISTS([libavcodec >= 59.24.100],
[AC_DEFINE([HAVE_FFMPEG_CH_LAYOUT], 1,
[Define to 1 if ffmpeg-libavcodec defines new 5.1.x ch_layout])])]
)
AC_CHECK_SIZEOF([void *])
dnl --- Begin configuring the options ---

4
src/library/filescanner_ffmpeg.c
View File

@ -452,7 +452,11 @@ scan_metadata_ffmpeg(struct media_file_info *mfi, const char *file)
codec_id = ctx->streams[i]->codecpar->codec_id;
sample_rate = ctx->streams[i]->codecpar->sample_rate;
sample_fmt = ctx->streams[i]->codecpar->format;
#ifdef HAVE_FFMPEG_CH_LAYOUT
channels = ctx->streams[i]->codecpar->ch_layout.nb_channels;
#else
channels = ctx->streams[i]->codecpar->channels;
#endif
switch (codec_type)
{
case AVMEDIA_TYPE_VIDEO:

67
src/transcode.c
View File

@ -78,7 +78,11 @@ struct settings_ctx
// Audio settings
enum AVCodecID audio_codec;
int sample_rate;
#ifdef HAVE_FFMPEG_CH_LAYOUT
AVChannelLayout channel_layout;
#else
uint64_t channel_layout;
#endif
int channels;
int bit_rate;
enum AVSampleFormat sample_format;
@ -312,7 +316,11 @@ init_settings(struct settings_ctx *settings, enum transcode_profile profile, str
if (quality && quality->channels)
{
settings->channels = quality->channels;
#ifdef HAVE_FFMPEG_CH_LAYOUT
av_channel_layout_default(&settings->channel_layout, quality->channels);
#else
settings->channel_layout = av_get_default_channel_layout(quality->channels);
#endif
}
if (quality && quality->bit_rate)
@ -335,8 +343,12 @@ stream_settings_set(struct stream_ctx *s, struct settings_ctx *settings, enum AV
if (type == AVMEDIA_TYPE_AUDIO)
{
s->codec->sample_rate = settings->sample_rate;
#ifdef HAVE_FFMPEG_CH_LAYOUT
av_channel_layout_copy(&s->codec->ch_layout, &(settings->channel_layout));
#else
s->codec->channel_layout = settings->channel_layout;
s->codec->channels = settings->channels;
#endif
s->codec->sample_fmt = settings->sample_format;
s->codec->time_base = (AVRational){1, settings->sample_rate};
s->codec->bit_rate = settings->bit_rate;
@ -926,6 +938,10 @@ open_decoder(AVCodecContext **dec_ctx, unsigned int *stream_index, struct decode
#else
// Not const before ffmpeg 5.0
AVCodec *decoder;
#endif
AVDictionary *options = NULL;
#ifdef HAVE_FFMPEG_CH_LAYOUT
char downmix_layout[64];
#endif
int ret;
@ -955,10 +971,16 @@ open_decoder(AVCodecContext **dec_ctx, unsigned int *stream_index, struct decode
if (type == AVMEDIA_TYPE_AUDIO)
{
(*dec_ctx)->request_sample_fmt = ctx->settings.sample_format;
#ifdef HAVE_FFMPEG_CH_LAYOUT
// option types is a string - see AV_OPT_TYPE_CHLAYOUT handling in ffmpeg:libavutil/opt.c
av_channel_layout_describe(&ctx->settings.channel_layout, downmix_layout, sizeof(downmix_layout));
av_dict_set(&options, "downmix", downmix_layout, 0);
#else
(*dec_ctx)->request_channel_layout = ctx->settings.channel_layout;
#endif
}
ret = avcodec_open2(*dec_ctx, NULL, NULL);
ret = avcodec_open2(*dec_ctx, NULL, options == NULL ? NULL : &options);
if (ret < 0)
{
DPRINTF(E_LOG, L_XCODE, "Failed to open decoder for stream #%d: %s\n", *stream_index, err2str(ret));
@ -1207,6 +1229,9 @@ open_filter(struct stream_ctx *out_stream, struct stream_ctx *in_stream)
AVFilterContext *buffersink_ctx;
AVFilterGraph *filter_graph;
char args[512];
#ifdef HAVE_FFMPEG_CH_LAYOUT
char buf[64];
#endif
int ret;
CHECK_NULL(L_XCODE, filter_graph = avfilter_graph_alloc());
@ -1222,6 +1247,17 @@ open_filter(struct stream_ctx *out_stream, struct stream_ctx *in_stream)
goto out_fail;
}
#ifdef HAVE_FFMPEG_CH_LAYOUT
if (!av_channel_layout_check(&in_stream->codec->ch_layout))
av_channel_layout_default(&in_stream->codec->ch_layout, in_stream->codec->ch_layout.nb_channels);
av_channel_layout_describe(&in_stream->codec->ch_layout, buf, sizeof(buf));
snprintf(args, sizeof(args),
"time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=%s",
in_stream->stream->time_base.num, in_stream->stream->time_base.den,
in_stream->codec->sample_rate, av_get_sample_fmt_name(in_stream->codec->sample_fmt),
buf);
#else
if (!in_stream->codec->channel_layout)
in_stream->codec->channel_layout = av_get_default_channel_layout(in_stream->codec->channels);
@ -1230,6 +1266,7 @@ open_filter(struct stream_ctx *out_stream, struct stream_ctx *in_stream)
in_stream->stream->time_base.num, in_stream->stream->time_base.den,
in_stream->codec->sample_rate, av_get_sample_fmt_name(in_stream->codec->sample_fmt),
in_stream->codec->channel_layout);
#endif
ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in", args, NULL, filter_graph);
if (ret < 0)
@ -1241,6 +1278,16 @@ open_filter(struct stream_ctx *out_stream, struct stream_ctx *in_stream)
DPRINTF(E_DBG, L_XCODE, "Created 'in' filter: %s\n", args);
// For some AIFF files, ffmpeg (3.4.6) will not give us a channel_layout (bug in ffmpeg?)
#ifdef HAVE_FFMPEG_CH_LAYOUT
if (!av_channel_layout_check(&out_stream->codec->ch_layout))
av_channel_layout_default(&out_stream->codec->ch_layout, out_stream->codec->ch_layout.nb_channels);
av_channel_layout_describe(&out_stream->codec->ch_layout, buf, sizeof(buf));
snprintf(args, sizeof(args),
"sample_fmts=%s:sample_rates=%d:channel_layouts=%s",
av_get_sample_fmt_name(out_stream->codec->sample_fmt), out_stream->codec->sample_rate,
buf);
#else
if (!out_stream->codec->channel_layout)
out_stream->codec->channel_layout = av_get_default_channel_layout(out_stream->codec->channels);
@ -1248,6 +1295,7 @@ open_filter(struct stream_ctx *out_stream, struct stream_ctx *in_stream)
"sample_fmts=%s:sample_rates=%d:channel_layouts=0x%"PRIx64,
av_get_sample_fmt_name(out_stream->codec->sample_fmt), out_stream->codec->sample_rate,
out_stream->codec->channel_layout);
#endif
ret = avfilter_graph_create_filter(&format_ctx, format, "format", args, NULL, filter_graph);
if (ret < 0)
@ -1478,8 +1526,13 @@ transcode_encode_setup(enum transcode_profile profile, struct media_quality *qua
// Caller did not specify channels -> use same as source
if (!ctx->settings.channels && ctx->settings.encode_audio)
{
#ifdef HAVE_FFMPEG_CH_LAYOUT
ctx->settings.channels = src_ctx->audio_stream.codec->ch_layout.nb_channels;
av_channel_layout_copy(&ctx->settings.channel_layout, &src_ctx->audio_stream.codec->ch_layout);
#else
ctx->settings.channels = src_ctx->audio_stream.codec->channels;
ctx->settings.channel_layout = src_ctx->audio_stream.codec->channel_layout;
#endif
}
if (ctx->settings.wavheader)
@ -1767,7 +1820,11 @@ transcode_encode(struct evbuffer *evbuf, struct encode_ctx *ctx, transcode_frame
start_length = evbuffer_get_length(ctx->obuf);
// Really crappy way of detecting if frame is audio, video or something else
#ifdef HAVE_FFMPEG_CH_LAYOUT
if (f->ch_layout.nb_channels && f->sample_rate)
#else
if (f->channel_layout && f->sample_rate)
#endif
s = &ctx->audio_stream;
else if (f->width && f->height)
s = &ctx->video_stream;
@ -1855,9 +1912,13 @@ transcode_frame_new(void *data, size_t size, int nsamples, struct media_quality
f->sample_rate = quality->sample_rate;
f->nb_samples = nsamples;
#ifdef HAVE_FFMPEG_CH_LAYOUT
av_channel_layout_default(&f->ch_layout, quality->channels);
#else
f->channel_layout = av_get_default_channel_layout(quality->channels);
#ifdef HAVE_FFMPEG
f->channels = quality->channels;
#endif
#endif
f->pts = AV_NOPTS_VALUE;
@ -2015,7 +2076,11 @@ transcode_encode_query(struct encode_ctx *ctx, const char *query)
else if (strcmp(query, "channels") == 0)
{
if (ctx->audio_stream.stream)
#ifdef HAVE_FFMPEG_CH_LAYOUT
return ctx->audio_stream.stream->codecpar->ch_layout.nb_channels;
#else
return ctx->audio_stream.stream->codecpar->channels;
#endif
}
return -1;