diff options
author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-09-06 20:17:45 +0400 |
---|---|---|
committer | Justin Ruggles <justin.ruggles@gmail.com> | 2011-12-03 02:40:40 +0400 |
commit | 0eea212943544d40f99b05571aa7159d78667154 (patch) | |
tree | 1e6b0271a633bf8a3f92c78bdfbaca275498ee26 /libavcodec/ra288.c | |
parent | 560f773c7ddd17f66e2621222980c1359a9027be (diff) |
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/ra288.c')
-rw-r--r-- | libavcodec/ra288.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/libavcodec/ra288.c b/libavcodec/ra288.c index eac2e2e3cd..062d9fac94 100644 --- a/libavcodec/ra288.c +++ b/libavcodec/ra288.c @@ -36,6 +36,7 @@ #define RA288_BLOCKS_PER_FRAME 32 typedef struct { + AVFrame frame; DSPContext dsp; DECLARE_ALIGNED(16, float, sp_lpc)[FFALIGN(36, 8)]; ///< LPC coefficients for speech data (spec: A) DECLARE_ALIGNED(16, float, gain_lpc)[FFALIGN(10, 8)]; ///< LPC coefficients for gain (spec: GB) @@ -62,6 +63,10 @@ static av_cold int ra288_decode_init(AVCodecContext *avctx) RA288Context *ractx = avctx->priv_data; avctx->sample_fmt = AV_SAMPLE_FMT_FLT; dsputil_init(&ractx->dsp, avctx); + + avcodec_get_frame_defaults(&ractx->frame); + avctx->coded_frame = &ractx->frame; + return 0; } @@ -165,12 +170,12 @@ static void backward_filter(RA288Context *ractx, } static int ra288_decode_frame(AVCodecContext * avctx, void *data, - int *data_size, AVPacket *avpkt) + int *got_frame_ptr, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; - float *out = data; - int i, out_size; + float *out; + int i, ret; RA288Context *ractx = avctx->priv_data; GetBitContext gb; @@ -181,12 +186,13 @@ static int ra288_decode_frame(AVCodecContext * avctx, void *data, return AVERROR_INVALIDDATA; } - out_size = RA288_BLOCK_SIZE * RA288_BLOCKS_PER_FRAME * - 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 */ + ractx->frame.nb_samples = RA288_BLOCK_SIZE * RA288_BLOCKS_PER_FRAME; + if ((ret = avctx->get_buffer(avctx, &ractx->frame)) < 0) { + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; } + out = (float *)ractx->frame.data[0]; init_get_bits(&gb, buf, avctx->block_align * 8); @@ -208,7 +214,9 @@ static int ra288_decode_frame(AVCodecContext * avctx, void *data, } } - *data_size = out_size; + *got_frame_ptr = 1; + *(AVFrame *)data = ractx->frame; + return avctx->block_align; } @@ -219,5 +227,6 @@ AVCodec ff_ra_288_decoder = { .priv_data_size = sizeof(RA288Context), .init = ra288_decode_init, .decode = ra288_decode_frame, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("RealAudio 2.0 (28.8K)"), }; |