Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master: (22 commits)
  g722dec: check output buffer size before decoding
  g722dec: cosmetics: reindent/linewrap
  g722dec: remove the use of lowres for half-rate decoding.
  tta: check for extradata allocation failure in tta demuxer
  tta: check for allocation failure of decode_buffer
  tta: use correct frame_length calculation.
  tta: add support for decoding 24-bit sample format
  cosmetics: indentation
  tta: remove pointless braces
  tta: check output buffer size after adjusting frame length for last frame
  tta: fix reading of format in TTA header.
  tta: remove useless commented-out lines
  tta: check remaining bitstream size while reading unary value
  lavf: deprecate AVStream.stream_copy
  avconc: split choose_codec() to choose_decoder/choose_encoder.
  lavf: simplify by using FFMAX/FFMIN.
  mpegenc: add preload private option.
  cosmetics: simplify latm_decode_init
  latm: avoid unnecessary reinit of the aac decoder
  aacdec: initialize sbr context only in new channel elements
  ...

Conflicts:
	avconv.c
	libavcodec/resample.c
	libavcodec/tta.c
	libavformat/utils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
pull/2/head
Michael Niedermayer 13 years ago
parent f5fdb12d55 a3a8572165
commit 51bfaa21c8
11 changed files with 301 additions and 288 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 87
      avconv.c
  2. 99
      ffmpeg.c
  3. 18
      libavcodec/aacdec.c
  4. 34
      libavcodec/g722dec.c
  5. 1
      libavcodec/resample.c
  6. 116
      libavcodec/tta.c
  7. 8
      libavformat/avformat.h
  8. 10
      libavformat/mpegenc.c
  9. 4
      libavformat/tta.c
  10. 18
      libavformat/utils.c
  11. 6
      libavformat/version.h

87
avconv.c
Unescape View File

@ -243,6 +243,7 @@ typedef struct OutputStream {
int64_t sws_flags;
AVDictionary *opts;
int is_past_recording_time;
int stream_copy;
} OutputStream;
#if HAVE_TERMIOS_H
@ -396,7 +397,6 @@ static void reset_options(OptionsContext *o)
memset(o, 0, sizeof(*o));
o->mux_preload = 0.5;
o->mux_max_delay = 0.7;
o->recording_time = INT64_MAX;
o->limit_filesize = UINT64_MAX;
@ -1407,7 +1407,7 @@ static void print_report(OutputFile *output_files,
float q = -1;
ost = &ost_table[i];
enc = ost->st->codec;
if (!ost->st->stream_copy && enc->coded_frame)
if (!ost->stream_copy && enc->coded_frame)
q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
@ -2054,7 +2054,7 @@ static int transcode_init(OutputFile *output_files,
codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
codec->chroma_sample_location = icodec->chroma_sample_location;
if (ost->st->stream_copy) {
if (ost->stream_copy) {
uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
if (extra_size > INT_MAX) {
@ -2150,9 +2150,8 @@ static int transcode_init(OutputFile *output_files,
return AVERROR(ENOMEM);
}
ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
if (!codec->sample_rate) {
if (!codec->sample_rate)
codec->sample_rate = icodec->sample_rate;
}
choose_sample_rate(ost->st, ost->enc);
codec->time_base = (AVRational){1, codec->sample_rate};
if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
@ -2360,7 +2359,7 @@ static int transcode_init(OutputFile *output_files,
av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
ost->sync_ist->file_index,
ost->sync_ist->st->index);
if (ost->st->stream_copy)
if (ost->stream_copy)
av_log(NULL, AV_LOG_INFO, " (copy)");
else
av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
@ -2643,7 +2642,7 @@ static int transcode(OutputFile *output_files,
for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i];
if (ost) {
if (ost->st->stream_copy)
if (ost->stream_copy)
av_freep(&ost->st->codec->extradata);
if (ost->logfile) {
fclose(ost->logfile);
@ -2842,13 +2841,11 @@ static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
return 0;
}
static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
{
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
if(!name)
return CODEC_ID_NONE;
codec = encoder ?
avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name);
@ -2860,29 +2857,20 @@ static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, i
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
exit_program(1);
}
return codec->id;
return codec;
}
static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
if (!codec_name) {
if (s->oformat) {
st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
return avcodec_find_encoder(st->codec->codec_id);
}
} else if (!strcmp(codec_name, "copy"))
st->stream_copy = 1;
else {
st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
avcodec_find_decoder_by_name(codec_name);
}
return NULL;
if (codec_name) {
AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
st->codec->codec_id = codec->id;
return codec;
} else
return avcodec_find_decoder(st->codec->codec_id);
}
/**
@ -2909,9 +2897,7 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
ist->ts_scale = scale;
ist->dec = choose_codec(o, ic, st, dec->codec_type);
if (!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
ist->dec = choose_decoder(o, ic, st);
switch (dec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
@ -3016,7 +3002,7 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
/* apply forced codec ids */
for (i = 0; i < ic->nb_streams; i++)
choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
choose_decoder(o, ic, ic->streams[i]);
/* Set AVCodecContext options for avformat_find_stream_info */
opts = setup_find_stream_info_opts(ic, codec_opts);
@ -3134,6 +3120,23 @@ static int get_preset_file_2(const char *preset_name, const char *codec_name, AV
return ret;
}
static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
if (!codec_name) {
ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
NULL, ost->st->codec->codec_type);
ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
} else if (!strcmp(codec_name, "copy"))
ost->stream_copy = 1;
else {
ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
ost->st->codec->codec_id = ost->enc->id;
}
}
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
{
OutputStream *ost;
@ -3161,7 +3164,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
ost->index = idx;
ost->st = st;
st->codec->codec_type = type;
ost->enc = choose_codec(o, oc, st, type);
choose_encoder(o, oc, ost);
if (ost->enc) {
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
}
@ -3262,7 +3265,7 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
st = ost->st;
video_enc = st->codec;
if (!st->stream_copy) {
if (!ost->stream_copy) {
const char *p = NULL;
char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
@ -3379,7 +3382,7 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
audio_enc = st->codec;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if (!st->stream_copy) {
if (!ost->stream_copy) {
char *sample_fmt = NULL;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
@ -3399,12 +3402,10 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
{
AVStream *st;
OutputStream *ost;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
st = ost->st;
if (!st->stream_copy) {
if (!ost->stream_copy) {
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
exit_program(1);
}
@ -3415,7 +3416,7 @@ static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
{
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
ost->st->stream_copy = 1;
ost->stream_copy = 1;
return ost;
}
@ -3520,9 +3521,9 @@ static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const ch
memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
avcodec_copy_context(st->codec, ic->streams[i]->codec);
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
choose_sample_fmt(st, codec);
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
choose_pixel_fmt(st, codec);
}
@ -3678,7 +3679,11 @@ static void opt_output_file(void *optctx, const char *filename)
}
}
oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
if (o->mux_preload) {
uint8_t buf[64];
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
/* copy chapters */

99
ffmpeg.c
Unescape View File

@ -251,6 +251,7 @@ typedef struct OutputStream {
int64_t sws_flags;
AVDictionary *opts;
int is_past_recording_time;
int stream_copy;
} OutputStream;
@ -410,7 +411,6 @@ static void reset_options(OptionsContext *o, int is_input)
if(is_input) o->recording_time = bak.recording_time;
else o->recording_time = INT64_MAX;
o->mux_preload = 0.5;
o->mux_max_delay = 0.7;
o->limit_filesize = UINT64_MAX;
o->chapters_input_file = INT_MAX;
@ -1414,7 +1414,7 @@ static void print_report(OutputFile *output_files,
float q = -1;
ost = &ost_table[i];
enc = ost->st->codec;
if (!ost->st->stream_copy && enc->coded_frame)
if (!ost->stream_copy && enc->coded_frame)
q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
@ -2066,7 +2066,7 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
codec->chroma_sample_location = icodec->chroma_sample_location;
if (ost->st->stream_copy) {
if (ost->stream_copy) {
uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
if (extra_size > INT_MAX) {
@ -2161,9 +2161,8 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
if (!ost->fifo) {
return AVERROR(ENOMEM);
}
if (!codec->sample_rate) {
if (!codec->sample_rate)
codec->sample_rate = icodec->sample_rate;
}
choose_sample_rate(ost->st, ost->enc);
codec->time_base = (AVRational){1, codec->sample_rate};
if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
@ -2377,7 +2376,7 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
ost->sync_ist->file_index,
ost->sync_ist->st->index);
if (ost->st->stream_copy)
if (ost->stream_copy)
av_log(NULL, AV_LOG_INFO, " (copy)");
else
av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
@ -2701,7 +2700,7 @@ static int transcode(OutputFile *output_files, int nb_output_files,
for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i];
if (ost) {
if (ost->st->stream_copy)
if (ost->stream_copy)
av_freep(&ost->st->codec->extradata);
if (ost->logfile) {
fclose(ost->logfile);
@ -2944,13 +2943,11 @@ static int opt_recording_timestamp(OptionsContext *o, const char *opt, const cha
return 0;
}
static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
{
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
if(!name)
return CODEC_ID_NONE;
codec = encoder ?
avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name);
@ -2962,29 +2959,20 @@ static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, i
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
exit_program(1);
}
return codec->id;
return codec;
}
static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
if (!codec_name) {
if (s->oformat) {
st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
return avcodec_find_encoder(st->codec->codec_id);
}
} else if (!strcmp(codec_name, "copy"))
st->stream_copy = 1;
else {
st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
avcodec_find_decoder_by_name(codec_name);
}
return NULL;
if (codec_name) {
AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
st->codec->codec_id = codec->id;
return codec;
} else
return avcodec_find_decoder(st->codec->codec_id);
}
/**
@ -3020,9 +3008,7 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
st->codec->codec_tag = tag;
}
ist->dec = choose_codec(o, ic, st, dec->codec_type);
if (!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
ist->dec = choose_decoder(o, ic, st);
switch (dec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
@ -3115,12 +3101,12 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
if (o->nb_frame_pix_fmts)
av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
ic->video_codec_id =
find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
ic->audio_codec_id =
find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
ic->subtitle_codec_id=
find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
ic->video_codec_id = video_codec_name ?
find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
ic->audio_codec_id = audio_codec_name ?
find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
ic->subtitle_codec_id= subtitle_codec_name ?
find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
ic->flags |= AVFMT_FLAG_NONBLOCK;
if (loop_input) {
@ -3138,7 +3124,7 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
/* apply forced codec ids */
for (i = 0; i < ic->nb_streams; i++)
choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
choose_decoder(o, ic, ic->streams[i]);
/* Set AVCodecContext options for avformat_find_stream_info */
opts = setup_find_stream_info_opts(ic, codec_opts);
@ -3253,6 +3239,23 @@ static int get_preset_file_2(const char *preset_name, const char *codec_name, AV
return ret;
}
static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
if (!codec_name) {
ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
NULL, ost->st->codec->codec_type);
ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
} else if (!strcmp(codec_name, "copy"))
ost->stream_copy = 1;
else {
ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
ost->st->codec->codec_id = ost->enc->id;
}
}
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
{
OutputStream *ost;
@ -3280,7 +3283,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
ost->index = idx;
ost->st = st;
st->codec->codec_type = type;
ost->enc = choose_codec(o, oc, st, type);
choose_encoder(o, oc, ost);
if (ost->enc) {
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
}
@ -3381,7 +3384,7 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
st = ost->st;
video_enc = st->codec;
if (!st->stream_copy) {
if (!ost->stream_copy) {
const char *p = NULL;
char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
@ -3502,7 +3505,7 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
audio_enc = st->codec;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if (!st->stream_copy) {
if (!ost->stream_copy) {
char *sample_fmt = NULL;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
@ -3525,12 +3528,10 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
{
AVStream *st;
OutputStream *ost;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
st = ost->st;
if (!st->stream_copy) {
if (!ost->stream_copy) {
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
exit_program(1);
}
@ -3541,7 +3542,7 @@ static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
{
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
ost->st->stream_copy = 1;
ost->stream_copy = 1;
return ost;
}
@ -3646,9 +3647,9 @@ static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const ch
memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
avcodec_copy_context(st->codec, ic->streams[i]->codec);
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
choose_sample_fmt(st, codec);
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
choose_pixel_fmt(st, codec);
}
@ -3812,7 +3813,11 @@ static void opt_output_file(void *optctx, const char *filename)
}
}
oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
if (o->mux_preload) {
uint8_t buf[64];
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
if (loop_output >= 0) {

18
libavcodec/aacdec.c
Unescape View File

@ -184,9 +184,11 @@ static av_cold int che_configure(AACContext *ac,
int type, int id, int *channels)
{
if (che_pos[type][id]) {
if (!ac->che[type][id] && !(ac->che[type][id] = av_mallocz(sizeof(ChannelElement))))
if (!ac->che[type][id]) {
if (!(ac->che[type][id] = av_mallocz(sizeof(ChannelElement))))
return AVERROR(ENOMEM);
ff_aac_sbr_ctx_init(ac, &ac->che[type][id]->sbr);
}
if (type != TYPE_CCE) {
ac->output_data[(*channels)++] = ac->che[type][id]->ch[0].ret;
if (type == TYPE_CPE ||
@ -2521,8 +2523,9 @@ static int latm_decode_frame(AVCodecContext *avctx, void *out, int *out_size,
*out_size = 0;
return avpkt->size;
} else {
aac_decode_close(avctx);
if ((err = aac_decode_init(avctx)) < 0)
if ((err = decode_audio_specific_config(
&latmctx->aac_ctx, avctx, &latmctx->aac_ctx.m4ac,
avctx->extradata, avctx->extradata_size, 8*avctx->extradata_size)) < 0)
return err;
latmctx->initialized = 1;
}
@ -2544,15 +2547,10 @@ static int latm_decode_frame(AVCodecContext *avctx, void *out, int *out_size,
av_cold static int latm_decode_init(AVCodecContext *avctx)
{
struct LATMContext *latmctx = avctx->priv_data;
int ret;
ret = aac_decode_init(avctx);
int ret = aac_decode_init(avctx);
if (avctx->extradata_size > 0) {
if (avctx->extradata_size > 0)
latmctx->initialized = !ret;
} else {
latmctx->initialized = 0;
}
return ret;
}

34
libavcodec/g722dec.c
Unescape View File

@ -66,9 +66,6 @@ static av_cold int g722_decode_init(AVCodecContext * avctx)
c->band[1].scale_factor = 2;
c->prev_samples_pos = 22;
if (avctx->lowres)
avctx->sample_rate /= 2;
return 0;
}
@ -88,15 +85,22 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
{
G722Context *c = avctx->priv_data;
int16_t *out_buf = data;
int j, out_len = 0;
int j, out_len;
const int skip = 8 - avctx->bits_per_coded_sample;
const int16_t *quantizer_table = low_inv_quants[skip];
GetBitContext gb;
out_len = avpkt->size * 2 * av_get_bytes_per_sample(avctx->sample_fmt);
if (*data_size < out_len) {
av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
return AVERROR(EINVAL);
}
init_get_bits(&gb, avpkt->data, avpkt->size * 8);
for (j = 0; j < avpkt->size; j++) {
int ilow, ihigh, rlow;
int ilow, ihigh, rlow, rhigh, dhigh;
int xout1, xout2;
ihigh = get_bits(&gb, 2);
ilow = get_bits(&gb, 6 - skip);
@ -107,12 +111,8 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
ff_g722_update_low_predictor(&c->band[0], ilow >> (2 - skip));
if (!avctx->lowres) {
const int dhigh = c->band[1].scale_factor *
ff_g722_high_inv_quant[ihigh] >> 10;
const int rhigh = av_clip(dhigh + c->band[1].s_predictor,
-16384, 16383);
int xout1, xout2;
dhigh = c->band[1].scale_factor * ff_g722_high_inv_quant[ihigh] >> 10;
rhigh = av_clip(dhigh + c->band[1].s_predictor, -16384, 16383);
ff_g722_update_high_predictor(&c->band[1], dhigh, ihigh);
@ -120,18 +120,15 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
c->prev_samples[c->prev_samples_pos++] = rlow - rhigh;
ff_g722_apply_qmf(c->prev_samples + c->prev_samples_pos - 24,
&xout1, &xout2);
out_buf[out_len++] = av_clip_int16(xout1 >> 12);
out_buf[out_len++] = av_clip_int16(xout2 >> 12);
*out_buf++ = av_clip_int16(xout1 >> 12);
*out_buf++ = av_clip_int16(xout2 >> 12);
if (c->prev_samples_pos >= PREV_SAMPLES_BUF_SIZE) {
memmove(c->prev_samples,
c->prev_samples + c->prev_samples_pos - 22,
memmove(c->prev_samples, c->prev_samples + c->prev_samples_pos - 22,
22 * sizeof(c->prev_samples[0]));
c->prev_samples_pos = 22;
}
} else
out_buf[out_len++] = rlow;
}
*data_size = out_len << 1;
*data_size = out_len;
return avpkt->size;
}
@ -143,5 +140,4 @@ AVCodec ff_adpcm_g722_decoder = {
.init = g722_decode_init,
.decode = g722_decode_frame,
.long_name = NULL_IF_CONFIG_SMALL("G.722 ADPCM"),
.max_lowres = 1,
};

1
libavcodec/resample.c
Unescape View File

@ -265,7 +265,6 @@ ReSampleContext *av_audio_resample_init(int output_channels, int input_channels,
}
}
#define TAPS 16
s->resample_context = av_resample_init(output_rate, input_rate,
filter_length, log2_phase_count,
linear, cutoff);

116
libavcodec/tta.c
Unescape View File

@ -33,8 +33,8 @@
#include "avcodec.h"
#include "get_bits.h"
#define FORMAT_INT 1
#define FORMAT_FLOAT 3
#define FORMAT_SIMPLE 1
#define FORMAT_ENCRYPTED 2
#define MAX_ORDER 16
typedef struct TTAFilter {
@ -58,7 +58,7 @@ typedef struct TTAContext {
AVCodecContext *avctx;
GetBitContext gb;
int flags, channels, bps, is_float, data_length;
int format, channels, bps, data_length;
int frame_length, last_frame_length, total_frames;
int32_t *decode_buffer;
@ -182,7 +182,7 @@ static int tta_get_unary(GetBitContext *gb)
int ret = 0;
// count ones
while(get_bits1(gb))
while (get_bits_left(gb) > 0 && get_bits1(gb))
ret++;
return ret;
}
@ -213,58 +213,54 @@ static av_cold int tta_decode_init(AVCodecContext * avctx)
{
/* signature */
skip_bits(&s->gb, 32);
// if (get_bits_long(&s->gb, 32) != av_bswap32(AV_RL32("TTA1"))) {
// av_log(s->avctx, AV_LOG_ERROR, "Missing magic\n");
// return -1;
// }
s->flags = get_bits(&s->gb, 16);
if (s->flags != 1 && s->flags != 3)
{
av_log(s->avctx, AV_LOG_ERROR, "Invalid flags\n");
s->format = get_bits(&s->gb, 16);
if (s->format > 2) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid format\n");
return -1;
}
s->is_float = (s->flags == FORMAT_FLOAT);
if (s->format == FORMAT_ENCRYPTED) {
av_log_missing_feature(s->avctx, "Encrypted TTA", 0);
return AVERROR(EINVAL);
}
avctx->channels = s->channels = get_bits(&s->gb, 16);
if (s->channels > 1 && s->channels < 9)
avctx->channel_layout = tta_channel_layouts[s->channels-2];
avctx->bits_per_coded_sample = get_bits(&s->gb, 16);
s->bps = (avctx->bits_per_coded_sample + 7) / 8;
avctx->sample_rate = get_bits_long(&s->gb, 32);
if(avctx->sample_rate > 1000000){ //prevent FRAME_TIME * avctx->sample_rate from overflowing and sanity check
av_log(avctx, AV_LOG_ERROR, "sample_rate too large\n");
return -1;
}
s->data_length = get_bits_long(&s->gb, 32);
skip_bits(&s->gb, 32); // CRC32 of header
if (s->is_float)
{
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
av_log_ask_for_sample(s->avctx, "Unsupported sample format.\n");
return -1;
}
else switch(s->bps) {
switch(s->bps) {
case 1: avctx->sample_fmt = AV_SAMPLE_FMT_U8; break;
case 2: avctx->sample_fmt = AV_SAMPLE_FMT_S16; break;
case 3: avctx->bits_per_coded_sample = 24;
case 4: avctx->sample_fmt = AV_SAMPLE_FMT_S32; break;
case 2:
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avctx->bits_per_raw_sample = 16;
break;
case 3:
avctx->sample_fmt = AV_SAMPLE_FMT_S32;
avctx->bits_per_raw_sample = 24;
break;
//case 4: avctx->sample_fmt = AV_SAMPLE_FMT_S32; break;
default:
av_log_ask_for_sample(s->avctx,
"Invalid/unsupported sample format.\n");
return -1;
av_log(avctx, AV_LOG_ERROR, "Invalid/unsupported sample format.\n");
return AVERROR_INVALIDDATA;
}
// FIXME: horribly broken, but directly from reference source
#define FRAME_TIME 1.04489795918367346939
s->frame_length = (int)(FRAME_TIME * avctx->sample_rate);
// prevent overflow
if (avctx->sample_rate > 0x7FFFFF) {
av_log(avctx, AV_LOG_ERROR, "sample_rate too large\n");
return AVERROR(EINVAL);
}
s->frame_length = 256 * avctx->sample_rate / 245;
s->last_frame_length = s->data_length % s->frame_length;
s->total_frames = s->data_length / s->frame_length +
(s->last_frame_length ? 1 : 0);
av_log(s->avctx, AV_LOG_DEBUG, "flags: %x chans: %d bps: %d rate: %d block: %d\n",
s->flags, avctx->channels, avctx->bits_per_coded_sample, avctx->sample_rate,
av_log(s->avctx, AV_LOG_DEBUG, "format: %d chans: %d bps: %d rate: %d block: %d\n",
s->format, avctx->channels, avctx->bits_per_coded_sample, avctx->sample_rate,
avctx->block_align);
av_log(s->avctx, AV_LOG_DEBUG, "data_length: %d frame_length: %d last: %d total: %d\n",
s->data_length, s->frame_length, s->last_frame_length, s->total_frames);
@ -283,8 +279,10 @@ static av_cold int tta_decode_init(AVCodecContext * avctx)
if (!s->decode_buffer)
return AVERROR(ENOMEM);
s->ch_ctx = av_malloc(avctx->channels * sizeof(*s->ch_ctx));
if (!s->ch_ctx)
if (!s->ch_ctx) {
av_freep(&s->decode_buffer);
return AVERROR(ENOMEM);
}
} else {
av_log(avctx, AV_LOG_ERROR, "Wrong extradata present\n");
return -1;
@ -300,22 +298,27 @@ static int tta_decode_frame(AVCodecContext *avctx,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
TTAContext *s = avctx->priv_data;
int i;
init_get_bits(&s->gb, buf, buf_size*8);
{
int i, out_size;
int cur_chan = 0, framelen = s->frame_length;
int32_t *p;
if (*data_size < (framelen * s->channels * av_get_bits_per_sample_fmt(avctx->sample_fmt) / 8)) {
av_log(avctx, AV_LOG_ERROR, "Output buffer size is too small.\n");
return -1;
}
init_get_bits(&s->gb, buf, buf_size*8);
// FIXME: seeking
s->total_frames--;
if (!s->total_frames && s->last_frame_length)
framelen = s->last_frame_length;
out_size = framelen * s->channels * av_get_bytes_per_sample(avctx->sample_fmt);
if (*data_size < out_size) {
av_log(avctx, AV_LOG_ERROR, "Output buffer size is too small.\n");
return -1;
}
// decode directly to output buffer for 24-bit sample format
if (s->bps == 3)
s->decode_buffer = data;
// init per channel states
for (i = 0; i < s->channels; i++) {
s->ch_ctx[i].predictor = 0;
@ -385,18 +388,12 @@ static int tta_decode_frame(AVCodecContext *avctx,
}
*predictor = *p;
/*if ((get_bits_count(&s->gb)+7)/8 > buf_size)
{
av_log(NULL, AV_LOG_INFO, "overread!!\n");
break;
}*/
// flip channels
if (cur_chan < (s->channels-1))
cur_chan++;
else {
// decorrelate in case of stereo integer
if (!s->is_float && (s->channels > 1)) {
if (s->channels > 1) {
int32_t *r = p - 1;
for (*p += *r / 2; r > p - s->channels; r--)
*r = *(r + 1) - *r;
@ -415,32 +412,29 @@ static int tta_decode_frame(AVCodecContext *avctx,
uint8_t *samples = data;
for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++)
*samples++ = *p + 0x80;
*data_size = samples - (uint8_t *)data;
break;
}
case 2: {
uint16_t *samples = data;
for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++) {
// *samples++ = (unsigned char)*p;
// *samples++ = (unsigned char)(*p >> 8);
for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++)
*samples++ = *p;
}
*data_size = (uint8_t *)samples - (uint8_t *)data;
break;
}
case 3: {
// shift samples for 24-bit sample format
int32_t *samples = data;
for (p = s->decode_buffer; p < s->decode_buffer + (framelen * s->channels); p++)
*samples++ = AV_RN32(p) << 8;
*data_size = (uint8_t *)samples - (uint8_t *)data;
*samples++ <<= 8;
// reset decode buffer
s->decode_buffer = NULL;
break;
}
default:
av_log(s->avctx, AV_LOG_ERROR, "Error, only 16bit samples supported!\n");
}
}
// return get_bits_count(&s->gb)+7)/8;
*data_size = out_size;
return buf_size;
}

8
libavformat/avformat.h
Unescape View File

@ -540,8 +540,10 @@ typedef struct AVStream {
*/
AVRational time_base;
int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */
#if FF_API_STREAM_COPY
/* ffmpeg.c private use */
int stream_copy; /**< If set, just copy stream. */
attribute_deprecated int stream_copy; /**< If set, just copy stream. */
#endif
enum AVDiscard discard; ///< Selects which packets can be discarded at will and do not need to be demuxed.
#if FF_API_AVSTREAM_QUALITY
@ -772,7 +774,9 @@ typedef struct AVFormatContext {
attribute_deprecated int mux_rate;
#endif
unsigned int packet_size;
int preload;
#if FF_API_PRELOAD
attribute_deprecated int preload;
#endif
int max_delay;
#if FF_API_LOOP_OUTPUT

10
libavformat/mpegenc.c
Unescape View File

@ -77,6 +77,7 @@ typedef struct {
double vcd_padding_bitrate; //FIXME floats
int64_t vcd_padding_bytes_written;
int preload;
} MpegMuxContext;
extern AVOutputFormat ff_mpeg1vcd_muxer;
@ -1158,9 +1159,15 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt)
StreamInfo *stream = st->priv_data;
int64_t pts, dts;
PacketDesc *pkt_desc;
const int preload= av_rescale(ctx->preload, 90000, AV_TIME_BASE);
int preload;
const int is_iframe = st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (pkt->flags & AV_PKT_FLAG_KEY);
#if FF_API_PRELOAD
if (ctx->preload)
s->preload = ctx->preload;
#endif
preload = av_rescale(s->preload, 90000, AV_TIME_BASE);
pts= pkt->pts;
dts= pkt->dts;
@ -1237,6 +1244,7 @@ static int mpeg_mux_end(AVFormatContext *ctx)
#define E AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "muxrate", NULL, OFFSET(mux_rate), AV_OPT_TYPE_INT, {0}, 0, INT_MAX, E },
{ "preload", "Initial demux-decode delay in microseconds.", OFFSET(preload), AV_OPT_TYPE_INT, {500000}, 0, INT_MAX, E},
{ NULL },
};

4
libavformat/tta.c
Unescape View File

@ -107,6 +107,10 @@ static int tta_read_header(AVFormatContext *s, AVFormatParameters *ap)
return -1;
}
st->codec->extradata = av_mallocz(st->codec->extradata_size+FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata) {
st->codec->extradata_size = 0;
return AVERROR(ENOMEM);
}
avio_seek(s->pb, start_offset, SEEK_SET);
avio_read(s->pb, st->codec->extradata, st->codec->extradata_size);

18
libavformat/utils.c
Unescape View File

@ -1932,29 +1932,24 @@ static void update_stream_timings(AVFormatContext *ic)
if (start_time1 < start_time_text)
start_time_text = start_time1;
} else
if (start_time1 < start_time)
start_time = start_time1;
start_time = FFMIN(start_time, start_time1);
if (st->duration != AV_NOPTS_VALUE) {
end_time1 = start_time1
+ av_rescale_q(st->duration, st->time_base, AV_TIME_BASE_Q);
if (end_time1 > end_time)
end_time = end_time1;
end_time = FFMAX(end_time, end_time1);
}
}
if (st->duration != AV_NOPTS_VALUE) {
duration1 = av_rescale_q(st->duration, st->time_base, AV_TIME_BASE_Q);
if (duration1 > duration)
duration = duration1;
duration = FFMAX(duration, duration1);
}
}
if (start_time == INT64_MAX || (start_time > start_time_text && start_time - start_time_text < AV_TIME_BASE))
start_time = start_time_text;
if (start_time != INT64_MAX) {
ic->start_time = start_time;
if (end_time != INT64_MIN) {
if (end_time - start_time > duration)
duration = end_time - start_time;
}
if (end_time != INT64_MIN)
duration = FFMAX(duration, end_time - start_time);
}
if (duration != INT64_MIN && ic->duration == AV_NOPTS_VALUE) {
ic->duration = duration;
@ -2108,8 +2103,7 @@ static void estimate_timings(AVFormatContext *ic, int64_t old_offset)
file_size = 0;
} else {
file_size = avio_size(ic->pb);
if (file_size < 0)
file_size = 0;
file_size = FFMAX(0, file_size);
}
if ((!strcmp(ic->iformat->name, "mpeg") ||

6
libavformat/version.h
Unescape View File

@ -101,5 +101,11 @@
#ifndef FF_API_NEW_STREAM
#define FF_API_NEW_STREAM (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_PRELOAD
#define FF_API_PRELOAD (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_STREAM_COPY
#define FF_API_STREAM_COPY (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#endif /* AVFORMAT_VERSION_H */

Write Preview
Loading…
Cancel
Save