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Code Issues Releases Activity

lavc: switch to the new channel layout API

Browse Source 
Since the request_channel_layout is used only by a handful of codecs,
move the option to codec private contexts.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Vittorio Giovara 2017-04-07 18:08:41 +02:00 committed by James Almer
parent b6746b7462
commit 548aeb9383
12 changed files with 321 additions and 61 deletions
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81
libavcodec/avcodec.c
View File

@ -119,7 +119,7 @@ static int64_t get_bit_rate(AVCodecContext *ctx)
case AVMEDIA_TYPE_AUDIO:
bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
if (bits_per_sample) {
bit_rate = ctx->sample_rate * (int64_t)ctx->channels;
bit_rate = ctx->sample_rate * (int64_t)ctx->ch_layout.nb_channels;
if (bit_rate > INT64_MAX / bits_per_sample) {
bit_rate = 0;
} else
@ -137,6 +137,8 @@ static int64_t get_bit_rate(AVCodecContext *ctx)
int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
{
int ret = 0;
int orig_channels;
uint64_t orig_channel_layout;
AVCodecInternal *avci;
if (avcodec_is_open(avctx))
@ -246,12 +248,6 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
}
}
if (avctx->channels > FF_SANE_NB_CHANNELS || avctx->channels < 0) {
av_log(avctx, AV_LOG_ERROR, "Too many or invalid channels: %d\n", avctx->channels);
ret = AVERROR(EINVAL);
goto free_and_end;
}
if (avctx->sample_rate < 0) {
av_log(avctx, AV_LOG_ERROR, "Invalid sample rate: %d\n", avctx->sample_rate);
ret = AVERROR(EINVAL);
@ -263,6 +259,39 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
goto free_and_end;
}
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
/* compat wrapper for old-style callers */
if (avctx->channel_layout && !avctx->channels)
avctx->channels = av_popcount64(avctx->channel_layout);
if ((avctx->channels > 0 && avctx->ch_layout.nb_channels != avctx->channels) ||
(avctx->channel_layout && (avctx->ch_layout.order != AV_CHANNEL_ORDER_NATIVE ||
avctx->ch_layout.u.mask != avctx->channel_layout))) {
if (avctx->channel_layout) {
av_channel_layout_from_mask(&avctx->ch_layout, avctx->channel_layout);
} else {
avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
avctx->ch_layout.nb_channels = avctx->channels;
}
}
/* temporary compat wrapper for new-style callers and old-style codecs;
* to be removed once all the codecs have been converted */
if (avctx->ch_layout.nb_channels) {
avctx->channels = avctx->ch_layout.nb_channels;
avctx->channel_layout = avctx->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
avctx->ch_layout.u.mask : 0;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (avctx->ch_layout.nb_channels > FF_SANE_NB_CHANNELS) {
av_log(avctx, AV_LOG_ERROR, "Too many channels: %d\n", avctx->ch_layout.nb_channels);
ret = AVERROR(EINVAL);
goto free_and_end;
}
avctx->frame_number = 0;
avctx->codec_descriptor = avcodec_descriptor_get(avctx->codec_id);
@ -317,6 +346,13 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
if (!HAVE_THREADS && !(codec->caps_internal & FF_CODEC_CAP_AUTO_THREADS))
avctx->thread_count = 1;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
orig_channels = avctx->channels;
orig_channel_layout = avctx->channel_layout;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (!(avctx->active_thread_type & FF_THREAD_FRAME) ||
avci->frame_thread_encoder) {
if (avctx->codec->init) {
@ -336,6 +372,26 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
if (av_codec_is_decoder(avctx->codec)) {
if (!avctx->bit_rate)
avctx->bit_rate = get_bit_rate(avctx);
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
/* decoder setting the old-style fields */
if (avctx->channels != orig_channels ||
avctx->channel_layout != orig_channel_layout) {
av_channel_layout_uninit(&avctx->ch_layout);
if (avctx->channel_layout) {
av_channel_layout_from_mask(&avctx->ch_layout, avctx->channel_layout);
} else {
avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
avctx->ch_layout.nb_channels = avctx->channels;
}
}
/* update the deprecated fields for old-style callers */
avctx->channels = avctx->ch_layout.nb_channels;
avctx->channel_layout = avctx->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
avctx->ch_layout.u.mask : 0;
/* validate channel layout from the decoder */
if (avctx->channel_layout) {
int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
@ -360,6 +416,8 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
ret = AVERROR(EINVAL);
goto free_and_end;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
#if FF_API_AVCTX_TIMEBASE
if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
@ -479,6 +537,8 @@ av_cold int avcodec_close(AVCodecContext *avctx)
av_bsf_free(&avci->bsf);
av_channel_layout_uninit(&avci->initial_ch_layout);
av_freep(&avctx->internal);
}
@ -661,7 +721,12 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
if (enc->sample_rate) {
av_bprintf(&bprint, "%d Hz, ", enc->sample_rate);
}
av_bprint_channel_layout(&bprint, enc->channels, enc->channel_layout);
{
char buf[512];
int ret = av_channel_layout_describe(&enc->ch_layout, buf, sizeof(buf));
if (ret >= 0)
av_bprintf(&bprint, "%s", buf);
}
if (enc->sample_fmt != AV_SAMPLE_FMT_NONE &&
(str = av_get_sample_fmt_name(enc->sample_fmt))) {
av_bprintf(&bprint, ", %s", str);

24
libavcodec/avcodec.h
View File

@ -990,7 +990,15 @@ typedef struct AVCodecContext {
/* audio only */
int sample_rate; ///< samples per second
int channels; ///< number of audio channels
#if FF_API_OLD_CHANNEL_LAYOUT
/**
* number of audio channels
* @deprecated use ch_layout.nb_channels
*/
attribute_deprecated
int channels;
#endif
/**
* audio sample format
@ -1035,19 +1043,25 @@ typedef struct AVCodecContext {
*/
int cutoff;
#if FF_API_OLD_CHANNEL_LAYOUT
/**
* Audio channel layout.
* - encoding: set by user.
* - decoding: set by user, may be overwritten by libavcodec.
* @deprecated use ch_layout
*/
attribute_deprecated
uint64_t channel_layout;
/**
* Request decoder to use this channel layout if it can (0 for default)
* - encoding: unused
* - decoding: Set by user.
* @deprecated use "downmix" codec private option
*/
attribute_deprecated
uint64_t request_channel_layout;
#endif
/**
* Type of service that the audio stream conveys.
@ -2027,6 +2041,14 @@ typedef struct AVCodecContext {
* - decoding: unused
*/
int (*get_encode_buffer)(struct AVCodecContext *s, AVPacket *pkt, int flags);
/**
* Audio channel layout.
* - encoding: must be set by the caller, to one of AVCodec.ch_layouts.
* - decoding: may be set by the caller if known e.g. from the container.
* The decoder can then override during decoding as needed.
*/
AVChannelLayout ch_layout;
} AVCodecContext;
/**

11
libavcodec/codec.h
View File

@ -224,7 +224,13 @@ typedef struct AVCodec {
const enum AVPixelFormat *pix_fmts; ///< array of supported pixel formats, or NULL if unknown, array is terminated by -1
const int *supported_samplerates; ///< array of supported audio samplerates, or NULL if unknown, array is terminated by 0
const enum AVSampleFormat *sample_fmts; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1
#if FF_API_OLD_CHANNEL_LAYOUT
/**
* @deprecated use ch_layouts instead
*/
attribute_deprecated
const uint64_t *channel_layouts; ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
#endif
const AVClass *priv_class; ///< AVClass for the private context
const AVProfile *profiles; ///< array of recognized profiles, or NULL if unknown, array is terminated by {FF_PROFILE_UNKNOWN}
@ -240,6 +246,11 @@ typedef struct AVCodec {
*/
const char *wrapper_name;
/**
* Array of supported channel layouts, terminated with a zeroed layout.
*/
const AVChannelLayout *ch_layouts;
/*****************************************************************
* No fields below this line are part of the public API. They
* may not be used outside of libavcodec and can be changed and

58
libavcodec/codec_par.c
View File

@ -98,6 +98,8 @@ int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src
int avcodec_parameters_from_context(AVCodecParameters *par,
const AVCodecContext *codec)
{
int ret;
codec_parameters_reset(par);
par->codec_type = codec->codec_type;
@ -126,14 +128,27 @@ int avcodec_parameters_from_context(AVCodecParameters *par,
break;
case AVMEDIA_TYPE_AUDIO:
par->format = codec->sample_fmt;
if (codec->channel_layout)
av_channel_layout_from_mask(&par->ch_layout, codec->channel_layout);
else {
par->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
par->ch_layout.nb_channels = codec->channels;
}
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
// if the old/new fields are set inconsistently, prefer the old ones
if ((codec->channels && codec->channels != codec->ch_layout.nb_channels) ||
(codec->channel_layout && (codec->ch_layout.order != AV_CHANNEL_ORDER_NATIVE ||
codec->ch_layout.u.mask != codec->channel_layout))) {
if (codec->channel_layout)
av_channel_layout_from_mask(&par->ch_layout, codec->channel_layout);
else {
par->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
par->ch_layout.nb_channels = codec->channels;
}
FF_ENABLE_DEPRECATION_WARNINGS
} else {
#endif
ret = av_channel_layout_copy(&par->ch_layout, &codec->ch_layout);
if (ret < 0)
return ret;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
}
par->channel_layout = par->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
par->ch_layout.u.mask : 0;
par->channels = par->ch_layout.nb_channels;
@ -166,6 +181,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
int avcodec_parameters_to_context(AVCodecContext *codec,
const AVCodecParameters *par)
{
int ret;
codec->codec_type = par->codec_type;
codec->codec_id = par->codec_id;
codec->codec_tag = par->codec_tag;
@ -192,18 +209,31 @@ int avcodec_parameters_to_context(AVCodecContext *codec,
break;
case AVMEDIA_TYPE_AUDIO:
codec->sample_fmt = par->format;
if (par->ch_layout.nb_channels) {
codec->channel_layout = par->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
par->ch_layout.u.mask : 0;
codec->channels = par->ch_layout.nb_channels;
}
#if FF_API_OLD_CHANNEL_LAYOUT
else {
FF_DISABLE_DEPRECATION_WARNINGS
codec->channel_layout = par->channel_layout;
codec->channels = par->channels;
// if the old/new fields are set inconsistently, prefer the old ones
if ((par->channels && par->channels != par->ch_layout.nb_channels) ||
(par->channel_layout && (par->ch_layout.order != AV_CHANNEL_ORDER_NATIVE ||
par->ch_layout.u.mask != par->channel_layout))) {
if (par->channel_layout)
av_channel_layout_from_mask(&codec->ch_layout, par->channel_layout);
else {
codec->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
codec->ch_layout.nb_channels = par->channels;
}
FF_ENABLE_DEPRECATION_WARNINGS
} else {
#endif
ret = av_channel_layout_copy(&codec->ch_layout, &par->ch_layout);
if (ret < 0)
return ret;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
}
codec->channel_layout = codec->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
codec->ch_layout.u.mask : 0;
codec->channels = codec->ch_layout.nb_channels;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
codec->sample_rate = par->sample_rate;
codec->block_align = par->block_align;

106
libavcodec/decode.c
View File

@ -352,10 +352,22 @@ static inline int decode_simple_internal(AVCodecContext *avctx, AVFrame *frame,
if (ret >= 0 && got_frame) {
if (frame->format == AV_SAMPLE_FMT_NONE)
frame->format = avctx->sample_fmt;
if (!frame->ch_layout.nb_channels) {
int ret2 = av_channel_layout_copy(&frame->ch_layout, &avctx->ch_layout);
if (ret2 < 0) {
ret = ret2;
got_frame = 0;
}
}
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
if (!frame->channel_layout)
frame->channel_layout = avctx->channel_layout;
frame->channel_layout = avctx->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
avctx->ch_layout.u.mask : 0;
if (!frame->channels)
frame->channels = avctx->channels;
frame->channels = avctx->ch_layout.nb_channels;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (!frame->sample_rate)
frame->sample_rate = avctx->sample_rate;
}
@ -388,7 +400,7 @@ static inline int decode_simple_internal(AVCodecContext *avctx, AVFrame *frame,
avci->skip_samples);
} else {
av_samples_copy(frame->extended_data, frame->extended_data, 0, avci->skip_samples,
frame->nb_samples - avci->skip_samples, avctx->channels, frame->format);
frame->nb_samples - avci->skip_samples, avctx->ch_layout.nb_channels, frame->format);
if(avctx->pkt_timebase.num && avctx->sample_rate) {
int64_t diff_ts = av_rescale_q(avci->skip_samples,
(AVRational){1, avctx->sample_rate},
@ -678,8 +690,17 @@ int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *fr
case AVMEDIA_TYPE_AUDIO:
avci->initial_sample_rate = frame->sample_rate ? frame->sample_rate :
avctx->sample_rate;
avci->initial_channels = frame->channels;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
avci->initial_channels = frame->ch_layout.nb_channels;
avci->initial_channel_layout = frame->channel_layout;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
ret = av_channel_layout_copy(&avci->initial_ch_layout, &frame->ch_layout);
if (ret < 0) {
av_frame_unref(frame);
return ret;
}
break;
}
}
@ -693,10 +714,15 @@ int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *fr
avci->initial_height != frame->height;
break;
case AVMEDIA_TYPE_AUDIO:
FF_DISABLE_DEPRECATION_WARNINGS
changed |= avci->initial_sample_rate != frame->sample_rate ||
avci->initial_sample_rate != avctx->sample_rate ||
#if FF_API_OLD_CHANNEL_LAYOUT
avci->initial_channels != frame->channels ||
avci->initial_channel_layout != frame->channel_layout;
avci->initial_channel_layout != frame->channel_layout ||
#endif
av_channel_layout_compare(&avci->initial_ch_layout, &frame->ch_layout);
FF_ENABLE_DEPRECATION_WARNINGS
break;
}
@ -1258,7 +1284,13 @@ static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
int planar = av_sample_fmt_is_planar(frame->format);
ch = frame->channels;
ch = frame->ch_layout.nb_channels;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
if (!ch)
ch = frame->channels;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
planes = planar ? ch : 1;
}
@ -1566,25 +1598,18 @@ int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
frame->sample_rate = avctx->sample_rate;
if (frame->format < 0)
frame->format = avctx->sample_fmt;
if (!frame->channel_layout) {
if (avctx->channel_layout) {
if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
"configuration.\n");
return AVERROR(EINVAL);
}
frame->channel_layout = avctx->channel_layout;
} else {
if (avctx->channels > FF_SANE_NB_CHANNELS) {
av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
avctx->channels);
return AVERROR(ENOSYS);
}
}
if (!frame->ch_layout.nb_channels) {
int ret = av_channel_layout_copy(&frame->ch_layout, &avctx->ch_layout);
if (ret < 0)
return ret;
}
frame->channels = avctx->channels;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
frame->channels = frame->ch_layout.nb_channels;
frame->channel_layout = frame->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
frame->ch_layout.u.mask : 0;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
break;
}
return 0;
@ -1674,7 +1699,36 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
goto fail;
}
} else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
if (frame->nb_samples * (int64_t)avctx->channels > avctx->max_samples) {
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
/* temporary compat layer for decoders setting the old-style channel
* layout fields; shall be removed after all the decoders are converted
* to the new API */
if ((avctx->channels > 0 && avctx->ch_layout.nb_channels != avctx->channels) ||
(avctx->channel_layout && (avctx->ch_layout.order != AV_CHANNEL_ORDER_NATIVE ||
avctx->ch_layout.u.mask != avctx->channel_layout))) {
av_channel_layout_uninit(&avctx->ch_layout);
if (avctx->channel_layout) {
if (av_popcount64(avctx->channel_layout) != avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "Inconsistent channel layout/channels\n");
ret = AVERROR(EINVAL);
goto fail;
}
av_channel_layout_from_mask(&avctx->ch_layout, avctx->channel_layout);
} else {
avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
avctx->ch_layout.nb_channels = avctx->channels;
}
}
/* compat layer for old-style get_buffer() implementations */
avctx->channels = avctx->ch_layout.nb_channels;
avctx->channel_layout = (avctx->ch_layout.order == AV_CHANNEL_ORDER_NATIVE) ?
avctx->ch_layout.u.mask : 0;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (frame->nb_samples * (int64_t)avctx->ch_layout.nb_channels > avctx->max_samples) {
av_log(avctx, AV_LOG_ERROR, "samples per frame %d, exceeds max_samples %"PRId64"\n", frame->nb_samples, avctx->max_samples);
ret = AVERROR(EINVAL);
goto fail;
@ -1784,7 +1838,7 @@ FF_DISABLE_DEPRECATION_WARNINGS
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && avctx->channels == 0 &&
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && avctx->ch_layout.nb_channels == 0 &&
!(avctx->codec->capabilities & AV_CODEC_CAP_CHANNEL_CONF)) {
av_log(avctx, AV_LOG_ERROR, "Decoder requires channel count but channels not set\n");
return AVERROR(EINVAL);

36
libavcodec/encode.c
View File

@ -114,9 +114,10 @@ static int pad_last_frame(AVCodecContext *s, AVFrame *frame, const AVFrame *src)
int ret;
frame->format = src->format;
frame->channel_layout = src->channel_layout;
frame->channels = src->channels;
frame->nb_samples = s->frame_size;
ret = av_channel_layout_copy(&frame->ch_layout, &s->ch_layout);
if (ret < 0)
goto fail;
ret = av_frame_get_buffer(frame, 0);
if (ret < 0)
goto fail;
@ -126,11 +127,12 @@ static int pad_last_frame(AVCodecContext *s, AVFrame *frame, const AVFrame *src)
goto fail;
if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
src->nb_samples, s->channels, s->sample_fmt)) < 0)
src->nb_samples, s->ch_layout.nb_channels,
s->sample_fmt)) < 0)
goto fail;
if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
frame->nb_samples - src->nb_samples,
s->channels, s->sample_fmt)) < 0)
s->ch_layout.nb_channels, s->sample_fmt)) < 0)
goto fail;
return 0;
@ -419,7 +421,7 @@ int ff_encode_preinit(AVCodecContext *avctx)
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
break;
if (avctx->channels == 1 &&
if (avctx->ch_layout.nb_channels == 1 &&
av_get_planar_sample_fmt(avctx->sample_fmt) ==
av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
avctx->sample_fmt = avctx->codec->sample_fmts[i];
@ -467,7 +469,27 @@ int ff_encode_preinit(AVCodecContext *avctx)
avctx->sample_rate);
return AVERROR(EINVAL);
}
if (avctx->codec->channel_layouts) {
if (avctx->codec->ch_layouts) {
if (!av_channel_layout_check(&avctx->ch_layout)) {
av_log(avctx, AV_LOG_WARNING, "Channel layout not specified correctly\n");
return AVERROR(EINVAL);
}
for (i = 0; avctx->codec->ch_layouts[i].nb_channels; i++) {
if (!av_channel_layout_compare(&avctx->ch_layout, &avctx->codec->ch_layouts[i]))
break;
}
if (!avctx->codec->ch_layouts[i].nb_channels) {
char buf[512];
int ret = av_channel_layout_describe(&avctx->ch_layout, buf, sizeof(buf));
if (ret > 0)
av_log(avctx, AV_LOG_ERROR, "Specified channel layout '%s' is not supported\n", buf);
return AVERROR(EINVAL);
}
FF_DISABLE_DEPRECATION_WARNINGS
}
#if FF_API_OLD_CHANNEL_LAYOUT
else if (avctx->codec->channel_layouts) {
if (!avctx->channel_layout) {
av_log(avctx, AV_LOG_WARNING, "Channel layout not specified\n");
} else {
@ -500,6 +522,8 @@ int ff_encode_preinit(AVCodecContext *avctx)
avctx->channels);
return AVERROR(EINVAL);
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->pix_fmt);
if ( avctx->bits_per_raw_sample < 0

3
libavcodec/internal.h
View File

@ -208,8 +208,11 @@ typedef struct AVCodecInternal {
int initial_format;
int initial_width, initial_height;
int initial_sample_rate;
#if FF_API_OLD_CHANNEL_LAYOUT
int initial_channels;
uint64_t initial_channel_layout;
#endif
AVChannelLayout initial_ch_layout;
} AVCodecInternal;
struct AVCodecDefault {

8
libavcodec/options.c
View File

@ -103,6 +103,8 @@ static int init_context_defaults(AVCodecContext *s, const AVCodec *codec)
flags= AV_OPT_FLAG_SUBTITLE_PARAM;
av_opt_set_defaults2(s, flags, flags);
av_channel_layout_uninit(&s->ch_layout);
s->time_base = (AVRational){0,1};
s->framerate = (AVRational){ 0, 1 };
s->pkt_timebase = (AVRational){ 0, 1 };
@ -112,6 +114,7 @@ static int init_context_defaults(AVCodecContext *s, const AVCodec *codec)
s->execute = avcodec_default_execute;
s->execute2 = avcodec_default_execute2;
s->sample_aspect_ratio = (AVRational){0,1};
s->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
s->pix_fmt = AV_PIX_FMT_NONE;
s->sw_pix_fmt = AV_PIX_FMT_NONE;
s->sample_fmt = AV_SAMPLE_FMT_NONE;
@ -167,6 +170,7 @@ void avcodec_free_context(AVCodecContext **pavctx)
av_freep(&avctx->intra_matrix);
av_freep(&avctx->inter_matrix);
av_freep(&avctx->rc_override);
av_channel_layout_uninit(&avctx->ch_layout);
av_freep(pavctx);
}
@ -177,6 +181,7 @@ const AVClass *avcodec_get_class(void)
}
#if FF_API_GET_FRAME_CLASS
FF_DISABLE_DEPRECATION_WARNINGS
#define FOFFSET(x) offsetof(AVFrame,x)
static const AVOption frame_options[]={
@ -187,7 +192,9 @@ static const AVOption frame_options[]={
{"width", "", FOFFSET(width), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
{"height", "", FOFFSET(height), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
{"format", "", FOFFSET(format), AV_OPT_TYPE_INT, {.i64 = -1 }, 0, INT_MAX, 0},
#if FF_API_OLD_CHANNEL_LAYOUT
{"channel_layout", "", FOFFSET(channel_layout), AV_OPT_TYPE_INT64, {.i64 = 0 }, 0, INT64_MAX, 0},
#endif
{"sample_rate", "", FOFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, 0},
{NULL},
};
@ -203,6 +210,7 @@ const AVClass *avcodec_get_frame_class(void)
{
return &av_frame_class;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
#define SROFFSET(x) offsetof(AVSubtitleRect,x)

5
libavcodec/options_table.h
View File

@ -89,7 +89,9 @@ static const AVOption avcodec_options[] = {
{"time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, INT_MAX},
{"g", "set the group of picture (GOP) size", OFFSET(gop_size), AV_OPT_TYPE_INT, {.i64 = 12 }, INT_MIN, INT_MAX, V|E},
{"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|D|E},
#if FF_API_OLD_CHANNEL_LAYOUT
{"ac", "set number of audio channels", OFFSET(channels), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|D|E},
#endif
{"cutoff", "set cutoff bandwidth", OFFSET(cutoff), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, A|E},
{"frame_size", NULL, OFFSET(frame_size), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|E},
{"frame_number", NULL, OFFSET(frame_number), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
@ -262,8 +264,11 @@ static const AVOption avcodec_options[] = {
{"mv0_threshold", NULL, OFFSET(mv0_threshold), AV_OPT_TYPE_INT, {.i64 = 256 }, 0, INT_MAX, V|E},
{"compression_level", NULL, OFFSET(compression_level), AV_OPT_TYPE_INT, {.i64 = FF_COMPRESSION_DEFAULT }, INT_MIN, INT_MAX, V|A|E},
{"bits_per_raw_sample", NULL, OFFSET(bits_per_raw_sample), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX},
{"ch_layout", NULL, OFFSET(ch_layout), AV_OPT_TYPE_CHLAYOUT, {.str = NULL }, 0, 0, A|E|D, "ch_layout"},
#if FF_API_OLD_CHANNEL_LAYOUT
{"channel_layout", NULL, OFFSET(channel_layout), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64 = DEFAULT }, 0, UINT64_MAX, A|E|D, "channel_layout"},
{"request_channel_layout", NULL, OFFSET(request_channel_layout), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64 = DEFAULT }, 0, UINT64_MAX, A|D, "request_channel_layout"},
#endif
{"rc_max_vbv_use", NULL, OFFSET(rc_max_available_vbv_use), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0.0, FLT_MAX, V|E},
{"rc_min_vbv_use", NULL, OFFSET(rc_min_vbv_overflow_use), AV_OPT_TYPE_FLOAT, {.dbl = 3 }, 0.0, FLT_MAX, V|E},
{"ticks_per_frame", NULL, OFFSET(ticks_per_frame), AV_OPT_TYPE_INT, {.i64 = 1 }, 1, INT_MAX, A|V|E|D},

10
libavcodec/pthread_frame.c
View File

@ -294,10 +294,18 @@ static int update_context_from_thread(AVCodecContext *dst, AVCodecContext *src,
dst->hwaccel = src->hwaccel;
dst->hwaccel_context = src->hwaccel_context;
dst->channels = src->channels;
dst->sample_rate = src->sample_rate;
dst->sample_fmt = src->sample_fmt;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
dst->channels = src->channels;
dst->channel_layout = src->channel_layout;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
err = av_channel_layout_copy(&dst->ch_layout, &src->ch_layout);
if (err < 0)
return err;
dst->internal->hwaccel_priv_data = src->internal->hwaccel_priv_data;
if (!!dst->hw_frames_ctx != !!src->hw_frames_ctx ||

12
libavcodec/utils.c
View File

@ -804,8 +804,16 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
{
int duration = get_audio_frame_duration(avctx->codec_id, avctx->sample_rate,
avctx->channels, avctx->block_align,
int channels = avctx->ch_layout.nb_channels;
int duration;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
if (!channels)
channels = avctx->channels;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
duration = get_audio_frame_duration(avctx->codec_id, avctx->sample_rate,
channels, avctx->block_align,
avctx->codec_tag, avctx->bits_per_coded_sample,
avctx->bit_rate, avctx->extradata, avctx->frame_size,
frame_bytes);

28
libavformat/demux.c
View File

@ -1329,16 +1329,38 @@ static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
}
got_packet = 1;
} else if (st->discard < AVDISCARD_ALL) {
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
int orig_channels = sti->avctx->channels;
uint64_t orig_channel_layout = sti->avctx->channel_layout;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if ((ret = parse_packet(s, pkt, pkt->stream_index, 0)) < 0)
return ret;
st->codecpar->sample_rate = sti->avctx->sample_rate;
st->codecpar->bit_rate = sti->avctx->bit_rate;
#if FF_API_OLD_CHANNEL_LAYOUT
FF_DISABLE_DEPRECATION_WARNINGS
st->codecpar->channels = sti->avctx->channels;
st->codecpar->channel_layout = sti->avctx->channel_layout;
/* parser setting the old-style fields */
if (sti->avctx->channels != orig_channels ||
sti->avctx->channel_layout != orig_channel_layout) {
av_channel_layout_uninit(&sti->avctx->ch_layout);
if (sti->avctx->channel_layout) {
av_channel_layout_from_mask(&sti->avctx->ch_layout, sti->avctx->channel_layout);
} else {
sti->avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
sti->avctx->ch_layout.nb_channels = sti->avctx->channels;
}
}
st->codecpar->channels = sti->avctx->ch_layout.nb_channels;
st->codecpar->channel_layout = sti->avctx->ch_layout.order == AV_CHANNEL_ORDER_NATIVE ?
sti->avctx->ch_layout.u.mask : 0;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
ret = av_channel_layout_copy(&st->codecpar->ch_layout, &sti->avctx->ch_layout);
if (ret < 0)
return ret;
st->codecpar->codec_id = sti->avctx->codec_id;
} else {
/* free packet */
@ -1948,7 +1970,7 @@ static int has_codec_parameters(const AVStream *st, const char **errmsg_ptr)
FAIL("unspecified sample format");
if (!avctx->sample_rate)
FAIL("unspecified sample rate");
if (!avctx->channels)
if (!avctx->ch_layout.nb_channels)
FAIL("unspecified number of channels");
if (sti->info->found_decoder >= 0 && !sti->nb_decoded_frames && avctx->codec_id == AV_CODEC_ID_DTS)
FAIL("no decodable DTS frames");