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s302m: convert to new channel layout API

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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>
release/5.1
Anton Khirnov 12 years ago committed by James Almer
parent 1d4e6ce31c
commit 3caf14e0a4
2 changed files with 28 additions and 21 deletions
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  1. 31
      libavcodec/s302m.c
  2. 18
      libavcodec/s302menc.c

31
libavcodec/s302m.c
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@ -72,19 +72,25 @@ static int s302m_parse_frame_header(AVCodecContext *avctx, const uint8_t *buf,
else
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avctx->channels = channels;
av_channel_layout_uninit(&avctx->ch_layout);
switch(channels) {
case 2:
avctx->channel_layout = AV_CH_LAYOUT_STEREO;
avctx->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
break;
case 4:
avctx->channel_layout = AV_CH_LAYOUT_QUAD;
avctx->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_QUAD;
break;
case 6:
avctx->channel_layout = AV_CH_LAYOUT_5POINT1_BACK;
avctx->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT1_BACK;
break;
case 8:
avctx->channel_layout = AV_CH_LAYOUT_5POINT1_BACK | AV_CH_LAYOUT_STEREO_DOWNMIX;
av_channel_layout_from_mask(&avctx->ch_layout,
AV_CH_LAYOUT_5POINT1_BACK | AV_CH_LAYOUT_STEREO_DOWNMIX);
break;
default:
avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
avctx->ch_layout.nb_channels = channels;
break;
}
return frame_size;
@ -97,7 +103,7 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int block_size, ret;
int block_size, ret, channels;
int i;
int non_pcm_data_type = -1;
@ -110,13 +116,14 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
/* get output buffer */
block_size = (avctx->bits_per_raw_sample + 4) / 4;
frame->nb_samples = 2 * (buf_size / block_size) / avctx->channels;
channels = avctx->ch_layout.nb_channels;
frame->nb_samples = 2 * (buf_size / block_size) / channels;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
avctx->bit_rate = 48000 * avctx->channels * (avctx->bits_per_raw_sample + 4) +
avctx->bit_rate = 48000 * channels * (avctx->bits_per_raw_sample + 4) +
32 * 48000 / frame->nb_samples;
buf_size = (frame->nb_samples * avctx->channels / 2) * block_size;
buf_size = (frame->nb_samples * channels / 2) * block_size;
if (avctx->bits_per_raw_sample == 24) {
uint32_t *o = (uint32_t *)frame->data[0];
@ -131,7 +138,7 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
buf += 7;
}
o = (uint32_t *)frame->data[0];
if (avctx->channels == 2)
if (channels == 2)
for (i=0; i<frame->nb_samples * 2 - 6; i+=2) {
if (o[i] || o[i+1] || o[i+2] || o[i+3])
break;
@ -152,7 +159,7 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
buf += 6;
}
o = (uint32_t *)frame->data[0];
if (avctx->channels == 2)
if (channels == 2)
for (i=0; i<frame->nb_samples * 2 - 6; i+=2) {
if (o[i] || o[i+1] || o[i+2] || o[i+3])
break;
@ -172,7 +179,7 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
buf += 5;
}
o = (uint16_t *)frame->data[0];
if (avctx->channels == 2)
if (channels == 2)
for (i=0; i<frame->nb_samples * 2 - 6; i+=2) {
if (o[i] || o[i+1] || o[i+2] || o[i+3])
break;

18
libavcodec/s302menc.c
Unescape View File

@ -37,10 +37,10 @@ static av_cold int s302m_encode_init(AVCodecContext *avctx)
{
S302MEncContext *s = avctx->priv_data;
if (avctx->channels & 1 || avctx->channels > 8) {
if (avctx->ch_layout.nb_channels & 1 || avctx->ch_layout.nb_channels > 8) {
av_log(avctx, AV_LOG_ERROR,
"Encoding %d channel(s) is not allowed. Only 2, 4, 6 and 8 channels are supported.\n",
avctx->channels);
avctx->ch_layout.nb_channels);
return AVERROR(EINVAL);
}
@ -61,7 +61,7 @@ static av_cold int s302m_encode_init(AVCodecContext *avctx)
}
avctx->frame_size = 0;
avctx->bit_rate = 48000 * avctx->channels *
avctx->bit_rate = 48000 * avctx->ch_layout.nb_channels *
(avctx->bits_per_raw_sample + 4);
s->framing_index = 0;
@ -72,9 +72,9 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
S302MEncContext *s = avctx->priv_data;
const int nb_channels = avctx->ch_layout.nb_channels;
const int buf_size = AES3_HEADER_LEN +
(frame->nb_samples *
avctx->channels *
(frame->nb_samples * nb_channels *
(avctx->bits_per_raw_sample + 4)) / 8;
int ret, c, channels;
uint8_t *o;
@ -91,7 +91,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
o = avpkt->data;
init_put_bits(&pb, o, buf_size);
put_bits(&pb, 16, buf_size - AES3_HEADER_LEN);
put_bits(&pb, 2, (avctx->channels - 2) >> 1); // number of channels
put_bits(&pb, 2, (nb_channels - 2) >> 1); // number of channels
put_bits(&pb, 8, 0); // channel ID
put_bits(&pb, 2, (avctx->bits_per_raw_sample - 16) / 4); // bits per samples (0 = 16bit, 1 = 20bit, 2 = 24bit)
put_bits(&pb, 4, 0); // alignments
@ -104,7 +104,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
for (c = 0; c < frame->nb_samples; c++) {
uint8_t vucf = s->framing_index == 0 ? 0x10: 0;
for (channels = 0; channels < avctx->channels; channels += 2) {
for (channels = 0; channels < nb_channels; channels += 2) {
o[0] = ff_reverse[(samples[0] & 0x0000FF00) >> 8];
o[1] = ff_reverse[(samples[0] & 0x00FF0000) >> 16];
o[2] = ff_reverse[(samples[0] & 0xFF000000) >> 24];
@ -126,7 +126,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
for (c = 0; c < frame->nb_samples; c++) {
uint8_t vucf = s->framing_index == 0 ? 0x80: 0;
for (channels = 0; channels < avctx->channels; channels += 2) {
for (channels = 0; channels < nb_channels; channels += 2) {
o[0] = ff_reverse[ (samples[0] & 0x000FF000) >> 12];
o[1] = ff_reverse[ (samples[0] & 0x0FF00000) >> 20];
o[2] = ff_reverse[((samples[0] & 0xF0000000) >> 28) | vucf];
@ -147,7 +147,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
for (c = 0; c < frame->nb_samples; c++) {
uint8_t vucf = s->framing_index == 0 ? 0x10 : 0;
for (channels = 0; channels < avctx->channels; channels += 2) {
for (channels = 0; channels < nb_channels; channels += 2) {
o[0] = ff_reverse[ samples[0] & 0xFF];
o[1] = ff_reverse[(samples[0] & 0xFF00) >> 8];
o[2] = ff_reverse[(samples[1] & 0x0F) << 4] | vucf;

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