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https://github.com/librempeg/librempeg
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s302m: 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:
Anton Khirnov
James Almer
parent
1d4e6ce31c
commit
3caf14e0a4
@ -72,19 +72,25 @@ static int s302m_parse_frame_header(AVCodecContext *avctx, const uint8_t *buf,
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else
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avctx->sample_fmt = AV_SAMPLE_FMT_S16;
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avctx->channels = channels;
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av_channel_layout_uninit(&avctx->ch_layout);
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switch(channels) {
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case 2:
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avctx->channel_layout = AV_CH_LAYOUT_STEREO;
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avctx->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
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break;
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case 4:
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avctx->channel_layout = AV_CH_LAYOUT_QUAD;
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avctx->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_QUAD;
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break;
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case 6:
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avctx->channel_layout = AV_CH_LAYOUT_5POINT1_BACK;
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avctx->ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT1_BACK;
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break;
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case 8:
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avctx->channel_layout = AV_CH_LAYOUT_5POINT1_BACK | AV_CH_LAYOUT_STEREO_DOWNMIX;
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av_channel_layout_from_mask(&avctx->ch_layout,
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AV_CH_LAYOUT_5POINT1_BACK | AV_CH_LAYOUT_STEREO_DOWNMIX);
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break;
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default:
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avctx->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
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avctx->ch_layout.nb_channels = channels;
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break;
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}
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return frame_size;
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@ -97,7 +103,7 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
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AVFrame *frame = data;
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const uint8_t *buf = avpkt->data;
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int buf_size = avpkt->size;
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int block_size, ret;
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int block_size, ret, channels;
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int i;
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int non_pcm_data_type = -1;
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@ -110,13 +116,14 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
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/* get output buffer */
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block_size = (avctx->bits_per_raw_sample + 4) / 4;
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frame->nb_samples = 2 * (buf_size / block_size) / avctx->channels;
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channels = avctx->ch_layout.nb_channels;
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frame->nb_samples = 2 * (buf_size / block_size) / channels;
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if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
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return ret;
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avctx->bit_rate = 48000 * avctx->channels * (avctx->bits_per_raw_sample + 4) +
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avctx->bit_rate = 48000 * channels * (avctx->bits_per_raw_sample + 4) +
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32 * 48000 / frame->nb_samples;
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buf_size = (frame->nb_samples * avctx->channels / 2) * block_size;
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buf_size = (frame->nb_samples * channels / 2) * block_size;
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if (avctx->bits_per_raw_sample == 24) {
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uint32_t *o = (uint32_t *)frame->data[0];
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@ -131,7 +138,7 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
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buf += 7;
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}
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o = (uint32_t *)frame->data[0];
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if (avctx->channels == 2)
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if (channels == 2)
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for (i=0; i<frame->nb_samples * 2 - 6; i+=2) {
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if (o[i] || o[i+1] || o[i+2] || o[i+3])
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break;
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@ -152,7 +159,7 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
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buf += 6;
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}
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o = (uint32_t *)frame->data[0];
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if (avctx->channels == 2)
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if (channels == 2)
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for (i=0; i<frame->nb_samples * 2 - 6; i+=2) {
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if (o[i] || o[i+1] || o[i+2] || o[i+3])
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break;
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@ -172,7 +179,7 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
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buf += 5;
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}
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o = (uint16_t *)frame->data[0];
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if (avctx->channels == 2)
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if (channels == 2)
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for (i=0; i<frame->nb_samples * 2 - 6; i+=2) {
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if (o[i] || o[i+1] || o[i+2] || o[i+3])
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break;
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@ -37,10 +37,10 @@ static av_cold int s302m_encode_init(AVCodecContext *avctx)
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{
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S302MEncContext *s = avctx->priv_data;
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if (avctx->channels & 1 || avctx->channels > 8) {
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if (avctx->ch_layout.nb_channels & 1 || avctx->ch_layout.nb_channels > 8) {
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av_log(avctx, AV_LOG_ERROR,
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"Encoding %d channel(s) is not allowed. Only 2, 4, 6 and 8 channels are supported.\n",
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avctx->channels);
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avctx->ch_layout.nb_channels);
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return AVERROR(EINVAL);
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}
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@ -61,7 +61,7 @@ static av_cold int s302m_encode_init(AVCodecContext *avctx)
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}
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avctx->frame_size = 0;
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avctx->bit_rate = 48000 * avctx->channels *
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avctx->bit_rate = 48000 * avctx->ch_layout.nb_channels *
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(avctx->bits_per_raw_sample + 4);
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s->framing_index = 0;
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@ -72,9 +72,9 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
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const AVFrame *frame, int *got_packet_ptr)
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{
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S302MEncContext *s = avctx->priv_data;
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const int nb_channels = avctx->ch_layout.nb_channels;
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const int buf_size = AES3_HEADER_LEN +
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(frame->nb_samples *
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avctx->channels *
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(frame->nb_samples * nb_channels *
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(avctx->bits_per_raw_sample + 4)) / 8;
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int ret, c, channels;
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uint8_t *o;
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@ -91,7 +91,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
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o = avpkt->data;
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init_put_bits(&pb, o, buf_size);
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put_bits(&pb, 16, buf_size - AES3_HEADER_LEN);
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put_bits(&pb, 2, (avctx->channels - 2) >> 1); // number of channels
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put_bits(&pb, 2, (nb_channels - 2) >> 1); // number of channels
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put_bits(&pb, 8, 0); // channel ID
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put_bits(&pb, 2, (avctx->bits_per_raw_sample - 16) / 4); // bits per samples (0 = 16bit, 1 = 20bit, 2 = 24bit)
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put_bits(&pb, 4, 0); // alignments
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@ -104,7 +104,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
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for (c = 0; c < frame->nb_samples; c++) {
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uint8_t vucf = s->framing_index == 0 ? 0x10: 0;
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for (channels = 0; channels < avctx->channels; channels += 2) {
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for (channels = 0; channels < nb_channels; channels += 2) {
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o[0] = ff_reverse[(samples[0] & 0x0000FF00) >> 8];
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o[1] = ff_reverse[(samples[0] & 0x00FF0000) >> 16];
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o[2] = ff_reverse[(samples[0] & 0xFF000000) >> 24];
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@ -126,7 +126,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
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for (c = 0; c < frame->nb_samples; c++) {
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uint8_t vucf = s->framing_index == 0 ? 0x80: 0;
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for (channels = 0; channels < avctx->channels; channels += 2) {
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for (channels = 0; channels < nb_channels; channels += 2) {
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o[0] = ff_reverse[ (samples[0] & 0x000FF000) >> 12];
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o[1] = ff_reverse[ (samples[0] & 0x0FF00000) >> 20];
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o[2] = ff_reverse[((samples[0] & 0xF0000000) >> 28) | vucf];
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@ -147,7 +147,7 @@ static int s302m_encode2_frame(AVCodecContext *avctx, AVPacket *avpkt,
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for (c = 0; c < frame->nb_samples; c++) {
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uint8_t vucf = s->framing_index == 0 ? 0x10 : 0;
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for (channels = 0; channels < avctx->channels; channels += 2) {
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for (channels = 0; channels < nb_channels; channels += 2) {
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o[0] = ff_reverse[ samples[0] & 0xFF];
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o[1] = ff_reverse[(samples[0] & 0xFF00) >> 8];
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o[2] = ff_reverse[(samples[1] & 0x0F) << 4] | vucf;
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