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author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-09-06 12:17:45 -0400 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2011-12-02 17:40:40 -0500 |
commit | 0eea212943544d40f99b05571aa7159d78667154 (patch) | |
tree | 1e6b0271a633bf8a3f92c78bdfbaca275498ee26 /libavcodec/mace.c | |
parent | 560f773c7ddd17f66e2621222980c1359a9027be (diff) | |
download | ffmpeg-0eea212943544d40f99b05571aa7159d78667154.tar.gz |
Add avcodec_decode_audio4().
Deprecate avcodec_decode_audio3().
Implement audio support in avcodec_default_get_buffer().
Implement the new audio decoder API in all audio decoders.
Diffstat (limited to 'libavcodec/mace.c')
-rw-r--r-- | libavcodec/mace.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/libavcodec/mace.c b/libavcodec/mace.c index a55a041696..792d71d072 100644 --- a/libavcodec/mace.c +++ b/libavcodec/mace.c @@ -153,6 +153,7 @@ typedef struct ChannelData { } ChannelData; typedef struct MACEContext { + AVFrame frame; ChannelData chd[2]; } MACEContext; @@ -228,30 +229,35 @@ static void chomp6(ChannelData *chd, int16_t *output, uint8_t val, static av_cold int mace_decode_init(AVCodecContext * avctx) { + MACEContext *ctx = avctx->priv_data; + if (avctx->channels > 2) return -1; avctx->sample_fmt = AV_SAMPLE_FMT_S16; + + avcodec_get_frame_defaults(&ctx->frame); + avctx->coded_frame = &ctx->frame; + return 0; } -static int mace_decode_frame(AVCodecContext *avctx, - void *data, int *data_size, - AVPacket *avpkt) +static int mace_decode_frame(AVCodecContext *avctx, void *data, + int *got_frame_ptr, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; - int16_t *samples = data; + int16_t *samples; MACEContext *ctx = avctx->priv_data; - int i, j, k, l; - int out_size; + int i, j, k, l, ret; int is_mace3 = (avctx->codec_id == CODEC_ID_MACE3); - out_size = 3 * (buf_size << (1 - is_mace3)) * - av_get_bytes_per_sample(avctx->sample_fmt); - if (*data_size < out_size) { - av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n"); - return AVERROR(EINVAL); + /* get output buffer */ + ctx->frame.nb_samples = 3 * (buf_size << (1 - is_mace3)) / avctx->channels; + if ((ret = avctx->get_buffer(avctx, &ctx->frame)) < 0) { + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; } + samples = (int16_t *)ctx->frame.data[0]; for(i = 0; i < avctx->channels; i++) { int16_t *output = samples + i; @@ -277,7 +283,8 @@ static int mace_decode_frame(AVCodecContext *avctx, } } - *data_size = out_size; + *got_frame_ptr = 1; + *(AVFrame *)data = ctx->frame; return buf_size; } @@ -289,6 +296,7 @@ AVCodec ff_mace3_decoder = { .priv_data_size = sizeof(MACEContext), .init = mace_decode_init, .decode = mace_decode_frame, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("MACE (Macintosh Audio Compression/Expansion) 3:1"), }; @@ -299,6 +307,7 @@ AVCodec ff_mace6_decoder = { .priv_data_size = sizeof(MACEContext), .init = mace_decode_init, .decode = mace_decode_frame, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("MACE (Macintosh Audio Compression/Expansion) 6:1"), }; |