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g723_1: 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>
This commit is contained in:
Anton Khirnov 2013-05-07 07:20:32 +02:00 committed by James Almer
parent c21e1492e3
commit 182866e9e4
3 changed files with 14 additions and 15 deletions
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2
libavcodec/g723_1_parser.c
View File

@ -37,7 +37,7 @@ static int g723_1_parse(AVCodecParserContext *s1, AVCodecContext *avctx,
int next = END_NOT_FOUND;
if (buf_size > 0)
next = frame_size[buf[0] & 3] * FFMAX(1, avctx->channels);
next = frame_size[buf[0] & 3] * FFMAX(1, avctx->ch_layout.nb_channels);
if (ff_combine_frame(pc, next, &buf, &buf_size) < 0 || !buf_size) {
*poutbuf = NULL;

19
libavcodec/g723_1dec.c
View File

@ -117,12 +117,12 @@ static av_cold int g723_1_decode_init(AVCodecContext *avctx)
G723_1_Context *s = avctx->priv_data;
avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
if (avctx->channels < 1 || avctx->channels > 2) {
av_log(avctx, AV_LOG_ERROR, "Only mono and stereo are supported (requested channels: %d).\n", avctx->channels);
if (avctx->ch_layout.nb_channels < 1 || avctx->ch_layout.nb_channels > 2) {
av_log(avctx, AV_LOG_ERROR, "Only mono and stereo are supported (requested channels: %d).\n",
avctx->ch_layout.nb_channels);
return AVERROR(EINVAL);
}
avctx->channel_layout = avctx->channels == 1 ? AV_CH_LAYOUT_MONO : AV_CH_LAYOUT_STEREO;
for (int ch = 0; ch < avctx->channels; ch++) {
for (int ch = 0; ch < avctx->ch_layout.nb_channels; ch++) {
G723_1_ChannelContext *p = &s->ch[ch];
p->pf_gain = 1 << 12;
@ -932,6 +932,7 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int dec_mode = buf[0] & 3;
int channels = avctx->ch_layout.nb_channels;
PPFParam ppf[SUBFRAMES];
int16_t cur_lsp[LPC_ORDER];
@ -940,7 +941,7 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data,
int16_t *out;
int bad_frame = 0, i, j, ret;
if (buf_size < frame_size[dec_mode] * avctx->channels) {
if (buf_size < frame_size[dec_mode] * channels) {
if (buf_size)
av_log(avctx, AV_LOG_WARNING,
"Expected %d bytes, got %d - skipping packet\n",
@ -953,12 +954,12 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data,
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
for (int ch = 0; ch < avctx->channels; ch++) {
for (int ch = 0; ch < channels; ch++) {
G723_1_ChannelContext *p = &s->ch[ch];
int16_t *audio = p->audio;
if (unpack_bitstream(p, buf + ch * (buf_size / avctx->channels),
buf_size / avctx->channels) < 0) {
if (unpack_bitstream(p, buf + ch * (buf_size / channels),
buf_size / channels) < 0) {
bad_frame = 1;
if (p->past_frame_type == ACTIVE_FRAME)
p->cur_frame_type = ACTIVE_FRAME;
@ -1090,7 +1091,7 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data,
*got_frame_ptr = 1;
return frame_size[dec_mode] * avctx->channels;
return frame_size[dec_mode] * channels;
}
#define OFFSET(x) offsetof(G723_1_Context, x)

8
libavcodec/g723_1enc.c
View File

@ -99,11 +99,6 @@ static av_cold int g723_1_encode_init(AVCodecContext *avctx)
return AVERROR(EINVAL);
}
if (avctx->channels != 1) {
av_log(avctx, AV_LOG_ERROR, "Only mono supported\n");
return AVERROR(EINVAL);
}
if (avctx->bit_rate == 6300) {
p->cur_rate = RATE_6300;
} else if (avctx->bit_rate == 5300) {
@ -1256,5 +1251,8 @@ const AVCodec ff_g723_1_encoder = {
.sample_fmts = (const enum AVSampleFormat[]) {
AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE
},
.ch_layouts = (const AVChannelLayout[]){
AV_CHANNEL_LAYOUT_MONO, { 0 }
},
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
};