pcm.c - OpenGrok cross reference for /third_party/ffmpeg/libavcodec/pcm.c

Lines Matching defs:avctx
41 static av_cold int pcm_encode_init(AVCodecContext *avctx)
43     avctx->frame_size = 0;
45     switch (avctx->codec->id) {
61     avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
62     avctx->block_align           = avctx->ch_layout.nb_channels * avctx->bits_per_coded_sample / 8;
63     avctx->bit_rate              = avctx->block_align * 8LL * avctx->sample_rate;
86     n /= avctx->ch_layout.nb_channels;                                  \
87     for (c = 0; c < avctx->ch_layout.nb_channels; c++) {                \
96 static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
109     sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
110     n           = frame->nb_samples * avctx->ch_layout.nb_channels;
113     if ((ret = ff_get_encode_buffer(avctx, avpkt, n * sample_size, 0)) < 0)
117     switch (avctx->codec->id) {
213         n /= avctx->ch_layout.nb_channels;
214         for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
252 static av_cold int pcm_decode_init(AVCodecContext *avctx)
254     PCMDecode *s = avctx->priv_data;
258     if (avctx->ch_layout.nb_channels <= 0) {
259         av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
263     switch (avctx->codec_id) {
278         if (avctx->bits_per_coded_sample < 1 || avctx->bits_per_coded_sample > 24)
281         s->scale = 1. / (1 << (avctx->bits_per_coded_sample - 1));
292     avctx->sample_fmt = avctx->codec->sample_fmts[0];
294     if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
295         avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec_id);
319     for (c = 0; c < avctx->ch_layout.nb_channels; c++) {                       \
329 static int pcm_decode_frame(AVCodecContext *avctx, AVFrame *frame,
334     PCMDecode *s       = avctx->priv_data;
335     int channels       = avctx->ch_layout.nb_channels;
340     sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
344     if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) {
351         av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
356         av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
360     if (avctx->codec_id != avctx->codec->id) {
361         av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n");
369             av_log(avctx, AV_LOG_ERROR,
381     if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
385     switch (avctx->codec_id) {
435         n /= avctx->ch_layout.nb_channels;
436         for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
500         n /= avctx->ch_layout.nb_channels;
501         for (c = 0; c < avctx->ch_layout.nb_channels; c++) {
542     if (avctx->codec_id == AV_CODEC_ID_PCM_F16LE ||
543         avctx->codec_id == AV_CODEC_ID_PCM_F24LE) {
546                               s->scale, FFALIGN(frame->nb_samples * avctx->ch_layout.nb_channels, 4));