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author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-12-23 17:35:54 -0500 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2013-02-12 12:21:21 -0500 |
commit | e42e5a89d62386b4dae37cd7fb0fd61d449632e6 (patch) | |
tree | 08614e91e5675689391bdc7162b0cbe71daf6ad0 /libavcodec/bmv.c | |
parent | a6bb39add273ad05b345c49ab3c7a7fa721b55cf (diff) | |
download | ffmpeg-e42e5a89d62386b4dae37cd7fb0fd61d449632e6.tar.gz |
bmvaudio: decode directly to the user-provided AVFrame
Diffstat (limited to 'libavcodec/bmv.c')
-rw-r--r-- | libavcodec/bmv.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/libavcodec/bmv.c b/libavcodec/bmv.c index a082d3ced7..75c550f3f5 100644 --- a/libavcodec/bmv.c +++ b/libavcodec/bmv.c @@ -295,32 +295,23 @@ static av_cold int decode_end(AVCodecContext *avctx) return 0; } -typedef struct BMVAudioDecContext { - AVFrame frame; -} BMVAudioDecContext; - static const int bmv_aud_mults[16] = { 16512, 8256, 4128, 2064, 1032, 516, 258, 192, 129, 88, 64, 56, 48, 40, 36, 32 }; static av_cold int bmv_aud_decode_init(AVCodecContext *avctx) { - BMVAudioDecContext *c = avctx->priv_data; - avctx->channels = 2; avctx->channel_layout = AV_CH_LAYOUT_STEREO; avctx->sample_fmt = AV_SAMPLE_FMT_S16; - avcodec_get_frame_defaults(&c->frame); - avctx->coded_frame = &c->frame; - return 0; } static int bmv_aud_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) { - BMVAudioDecContext *c = avctx->priv_data; + AVFrame *frame = data; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; int blocks = 0, total_blocks, i; @@ -336,12 +327,12 @@ static int bmv_aud_decode_frame(AVCodecContext *avctx, void *data, } /* get output buffer */ - c->frame.nb_samples = total_blocks * 32; - if ((ret = ff_get_buffer(avctx, &c->frame)) < 0) { + frame->nb_samples = total_blocks * 32; + if ((ret = ff_get_buffer(avctx, frame)) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return ret; } - output_samples = (int16_t *)c->frame.data[0]; + output_samples = (int16_t *)frame->data[0]; for (blocks = 0; blocks < total_blocks; blocks++) { uint8_t code = *buf++; @@ -354,8 +345,7 @@ static int bmv_aud_decode_frame(AVCodecContext *avctx, void *data, } } - *got_frame_ptr = 1; - *(AVFrame *)data = c->frame; + *got_frame_ptr = 1; return buf_size; } @@ -376,7 +366,6 @@ AVCodec ff_bmv_audio_decoder = { .name = "bmv_audio", .type = AVMEDIA_TYPE_AUDIO, .id = AV_CODEC_ID_BMV_AUDIO, - .priv_data_size = sizeof(BMVAudioDecContext), .init = bmv_aud_decode_init, .decode = bmv_aud_decode_frame, .capabilities = CODEC_CAP_DR1, |