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| author | Anton Khirnov <anton@khirnov.net> | 2013-05-07 07:20:32 +0200 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2022-03-15 09:42:43 -0300 |
| commit | c5ccc0bd9421e6aed3e341f49a57284132b80a86 (patch) | |
| tree | 6a5b2017a76840a3613d38c6f4d4334166b5b90d /libavcodec/mace.c | |
| parent | e5d4941c40fe7ef8ff279a2f9f7fa14b126558cf (diff) | |
| download | ffmpeg-c5ccc0bd9421e6aed3e341f49a57284132b80a86.tar.gz | |
mace: convert to new channel layout API
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/mace.c')
| -rw-r--r-- | libavcodec/mace.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/libavcodec/mace.c b/libavcodec/mace.c index 506a0ddece..9ed4747ba9 100644 --- a/libavcodec/mace.c +++ b/libavcodec/mace.c @@ -226,7 +226,7 @@ static void chomp6(ChannelData *chd, int16_t *output, uint8_t val, int tab_idx) static av_cold int mace_decode_init(AVCodecContext * avctx) { - if (avctx->channels > 2 || avctx->channels < 1) + if (avctx->ch_layout.nb_channels > 2 || avctx->ch_layout.nb_channels < 1) return AVERROR(EINVAL); avctx->sample_fmt = AV_SAMPLE_FMT_S16P; @@ -239,31 +239,32 @@ static int mace_decode_frame(AVCodecContext *avctx, void *data, AVFrame *frame = data; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; + int channels = avctx->ch_layout.nb_channels; int16_t **samples; MACEContext *ctx = avctx->priv_data; int i, j, k, l, ret; int is_mace3 = (avctx->codec_id == AV_CODEC_ID_MACE3); - if (buf_size % (avctx->channels << is_mace3)) { + if (buf_size % (channels << is_mace3)) { av_log(avctx, AV_LOG_ERROR, "buffer size %d is odd\n", buf_size); - buf_size -= buf_size % (avctx->channels << is_mace3); + buf_size -= buf_size % (channels << is_mace3); if (!buf_size) return AVERROR_INVALIDDATA; } /* get output buffer */ - frame->nb_samples = 3 * (buf_size << (1 - is_mace3)) / avctx->channels; + frame->nb_samples = 3 * (buf_size << (1 - is_mace3)) / channels; if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; samples = (int16_t **)frame->extended_data; - for(i = 0; i < avctx->channels; i++) { + for(i = 0; i < channels; i++) { int16_t *output = samples[i]; - for (j=0; j < buf_size / (avctx->channels << is_mace3); j++) + for (j=0; j < buf_size / (channels << is_mace3); j++) for (k=0; k < (1 << is_mace3); k++) { uint8_t pkt = buf[(i << is_mace3) + - (j*avctx->channels << is_mace3) + k]; + (j * channels << is_mace3) + k]; uint8_t val[2][3] = {{pkt >> 5, (pkt >> 3) & 3, pkt & 7 }, {pkt & 7 , (pkt >> 3) & 3, pkt >> 5}}; |