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omadec: split data that will be used in the muxer to a separate file.

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This commit is contained in:
Anton Khirnov
2011-12-17 15:23:13 +01:00
parent 08f7af0c37
commit ee20b332c8
4 changed files with 78 additions and 24 deletions
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28
libavformat/omadec.c
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@@ -44,28 +44,11 @@
#include "internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/des.h"
#include "oma.h"
#include "pcm.h"
#include "riff.h"
#include "id3v2.h"
#define EA3_HEADER_SIZE 96
#define ID3v2_EA3_MAGIC "ea3"
#define OMA_ENC_HEADER_SIZE 16
enum {
OMA_CODECID_ATRAC3 = 0,
OMA_CODECID_ATRAC3P = 1,
OMA_CODECID_MP3 = 3,
OMA_CODECID_LPCM = 4,
OMA_CODECID_WMA = 5,
};
static const AVCodecTag codec_oma_tags[] = {
{ CODEC_ID_ATRAC3, OMA_CODECID_ATRAC3 },
{ CODEC_ID_ATRAC3P, OMA_CODECID_ATRAC3P },
{ CODEC_ID_MP3, OMA_CODECID_MP3 },
{ CODEC_ID_PCM_S16BE, OMA_CODECID_LPCM },
};
static const uint64_t leaf_table[] = {
0xd79e8283acea4620, 0x7a9762f445afd0d8,
@@ -276,7 +259,6 @@ static int decrypt_init(AVFormatContext *s, ID3v2ExtraMeta *em, uint8_t *header)
static int oma_read_header(AVFormatContext *s,
AVFormatParameters *ap)
{
static const uint16_t srate_tab[6] = {320,441,480,882,960,0};
int ret, framesize, jsflag, samplerate;
uint32_t codec_params;
int16_t eid;
@@ -316,11 +298,11 @@ static int oma_read_header(AVFormatContext *s,
st->start_time = 0;
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_tag = buf[32];
st->codec->codec_id = ff_codec_get_id(codec_oma_tags, st->codec->codec_tag);
st->codec->codec_id = ff_codec_get_id(ff_oma_codec_tags, st->codec->codec_tag);
switch (buf[32]) {
case OMA_CODECID_ATRAC3:
samplerate = srate_tab[(codec_params >> 13) & 7]*100;
samplerate = ff_oma_srate_tab[(codec_params >> 13) & 7]*100;
if (samplerate != 44100)
av_log_ask_for_sample(s, "Unsupported sample rate: %d\n",
samplerate);
@@ -350,7 +332,7 @@ static int oma_read_header(AVFormatContext *s,
case OMA_CODECID_ATRAC3P:
st->codec->channels = (codec_params >> 10) & 7;
framesize = ((codec_params & 0x3FF) * 8) + 8;
st->codec->sample_rate = srate_tab[(codec_params >> 13) & 7]*100;
st->codec->sample_rate = ff_oma_srate_tab[(codec_params >> 13) & 7]*100;
st->codec->bit_rate = st->codec->sample_rate * framesize * 8 / 1024;
avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
av_log(s, AV_LOG_ERROR, "Unsupported codec ATRAC3+!\n");
@@ -459,6 +441,6 @@ AVInputFormat ff_oma_demuxer = {
.read_seek = oma_read_seek,
.flags = AVFMT_GENERIC_INDEX,
.extensions = "oma,omg,aa3",
.codec_tag = (const AVCodecTag* const []){codec_oma_tags, 0},
.codec_tag = (const AVCodecTag* const []){ff_oma_codec_tags, 0},
};