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oma: convert to new channel layout API 

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Vittorio Giovara 2017-03-31 18:04:05 +02:00 committed by James Almer
parent 5b51e6771c
commit 68559225a2
3 changed files with 18 additions and 23 deletions
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2
libavformat/oma.h
View File

@ -23,6 +23,8 @@
#include <stdint.h>
#include "libavutil/channel_layout.h"
#include "internal.h"
#define EA3_HEADER_SIZE 96

35
libavformat/omadec.c
View File

@ -60,19 +60,16 @@ static const uint64_t leaf_table[] = {
};
/** map ATRAC-X channel id to internal channel layout */
static const uint64_t oma_chid_to_native_layout[7] = {
AV_CH_LAYOUT_MONO,
AV_CH_LAYOUT_STEREO,
AV_CH_LAYOUT_SURROUND,
AV_CH_LAYOUT_4POINT0,
AV_CH_LAYOUT_5POINT1_BACK,
AV_CH_LAYOUT_6POINT1_BACK,
AV_CH_LAYOUT_7POINT1
static const AVChannelLayout oma_chid_to_native_layout[7] = {
AV_CHANNEL_LAYOUT_MONO,
AV_CHANNEL_LAYOUT_STEREO,
AV_CHANNEL_LAYOUT_SURROUND,
AV_CHANNEL_LAYOUT_4POINT0,
AV_CHANNEL_LAYOUT_5POINT1_BACK,
AV_CHANNEL_LAYOUT_6POINT1_BACK,
AV_CHANNEL_LAYOUT_7POINT1
};
/** map ATRAC-X channel id to total number of channels */
static const int oma_chid_to_num_channels[7] = { 1, 2, 3, 4, 6, 7, 8 };
typedef struct OMAContext {
uint64_t content_start;
int encrypted;
@ -474,8 +471,7 @@ static int oma_read_header(AVFormatContext *s)
/* get stereo coding mode, 1 for joint-stereo */
jsflag = (codec_params >> 17) & 1;
st->codecpar->channels = 2;
st->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
st->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
st->codecpar->sample_rate = samplerate;
st->codecpar->bit_rate = st->codecpar->sample_rate * framesize / (1024 / 8);
@ -501,8 +497,8 @@ static int oma_read_header(AVFormatContext *s)
"Invalid ATRAC-X channel id: %"PRIu32"\n", channel_id);
return AVERROR_INVALIDDATA;
}
st->codecpar->channel_layout = oma_chid_to_native_layout[channel_id - 1];
st->codecpar->channels = oma_chid_to_num_channels[channel_id - 1];
av_channel_layout_copy(&st->codecpar->ch_layout,
&oma_chid_to_native_layout[channel_id - 1]);
framesize = ((codec_params & 0x3FF) * 8) + 8;
samplerate = ff_oma_srate_tab[(codec_params >> 13) & 7] * 100;
if (!samplerate) {
@ -519,8 +515,7 @@ static int oma_read_header(AVFormatContext *s)
break;
case OMA_CODECID_LPCM:
/* PCM 44.1 kHz 16 bit stereo big-endian */
st->codecpar->channels = 2;
st->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
st->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
st->codecpar->sample_rate = 44100;
framesize = 1024;
/* bit rate = sample rate x PCM block align (= 4) x 8 */
@ -530,16 +525,14 @@ static int oma_read_header(AVFormatContext *s)
avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
break;
case OMA_CODECID_ATRAC3AL:
st->codecpar->channels = 2;
st->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
st->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
st->codecpar->sample_rate = 44100;
avpriv_set_pts_info(st, 64, 1, 44100);
oc->read_packet = aal_read_packet;
framesize = 4096;
break;
case OMA_CODECID_ATRAC3PAL:
st->codecpar->channel_layout = AV_CH_LAYOUT_STEREO;
st->codecpar->channels = 2;
st->codecpar->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
st->codecpar->sample_rate = 44100;
avpriv_set_pts_info(st, 64, 1, 44100);
oc->read_packet = aal_read_packet;

4
libavformat/omaenc.c
View File

@ -58,7 +58,7 @@ static av_cold int oma_write_header(AVFormatContext *s)
switch (par->codec_tag) {
case OMA_CODECID_ATRAC3:
if (par->channels != 2) {
if (par->ch_layout.nb_channels != 2) {
av_log(s, AV_LOG_ERROR, "ATRAC3 in OMA is only supported with 2 channels\n");
return AVERROR(EINVAL);
}
@ -78,7 +78,7 @@ static av_cold int oma_write_header(AVFormatContext *s)
case OMA_CODECID_ATRAC3P:
avio_wb32(s->pb, (OMA_CODECID_ATRAC3P << 24) |
(srate_index << 13) |
(par->channels << 10) |
(par->ch_layout.nb_channels << 10) |
(par->block_align/8 - 1));
break;
default: