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author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-08-28 09:11:45 -0400 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-10-01 13:42:44 -0400 |
commit | 1a3459033dc94d3f6e1b7e7c4de227fda369f2bf (patch) | |
tree | bae054f19164d46ba265fba3f21da2bc4feab65e | |
parent | 3fca0d72105a607926adea702065b1a00adb0b5d (diff) | |
download | ffmpeg-1a3459033dc94d3f6e1b7e7c4de227fda369f2bf.tar.gz |
mpc7/8: use planar sample format
-rw-r--r-- | libavcodec/mpc.c | 14 | ||||
-rw-r--r-- | libavcodec/mpc.h | 2 | ||||
-rw-r--r-- | libavcodec/mpc7.c | 6 | ||||
-rw-r--r-- | libavcodec/mpc8.c | 7 |
4 files changed, 15 insertions, 14 deletions
diff --git a/libavcodec/mpc.c b/libavcodec/mpc.c index 6b15a33e5a..5a54a9bad9 100644 --- a/libavcodec/mpc.c +++ b/libavcodec/mpc.c @@ -43,28 +43,24 @@ void ff_mpc_init(void) /** * Process decoded Musepack data and produce PCM */ -static void mpc_synth(MPCContext *c, int16_t *out, int channels) +static void mpc_synth(MPCContext *c, int16_t **out, int channels) { int dither_state = 0; int i, ch; - OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr; for(ch = 0; ch < channels; ch++){ - samples_ptr = samples + ch; for(i = 0; i < SAMPLES_PER_BAND; i++) { ff_mpa_synth_filter_fixed(&c->mpadsp, c->synth_buf[ch], &(c->synth_buf_offset[ch]), ff_mpa_synth_window_fixed, &dither_state, - samples_ptr, channels, + out[ch] + 32 * i, 1, c->sb_samples[ch][i]); - samples_ptr += 32 * channels; } } - for(i = 0; i < MPC_FRAME_SIZE*channels; i++) - *out++=samples[i]; } -void ff_mpc_dequantize_and_synth(MPCContext * c, int maxband, void *data, int channels) +void ff_mpc_dequantize_and_synth(MPCContext * c, int maxband, int16_t **out, + int channels) { int i, j, ch; Band *bands = c->bands; @@ -100,5 +96,5 @@ void ff_mpc_dequantize_and_synth(MPCContext * c, int maxband, void *data, int ch } } - mpc_synth(c, data, channels); + mpc_synth(c, out, channels); } diff --git a/libavcodec/mpc.h b/libavcodec/mpc.h index 1a6e7943af..2ee3c6d416 100644 --- a/libavcodec/mpc.h +++ b/libavcodec/mpc.h @@ -73,6 +73,6 @@ typedef struct { } MPCContext; void ff_mpc_init(void); -void ff_mpc_dequantize_and_synth(MPCContext *c, int maxband, void *dst, int channels); +void ff_mpc_dequantize_and_synth(MPCContext *c, int maxband, int16_t **out, int channels); #endif /* AVCODEC_MPC_H */ diff --git a/libavcodec/mpc7.c b/libavcodec/mpc7.c index 0d7e9dfc28..b013eeb3d5 100644 --- a/libavcodec/mpc7.c +++ b/libavcodec/mpc7.c @@ -94,7 +94,7 @@ static av_cold int mpc7_decode_init(AVCodecContext * avctx) c->IS, c->MSS, c->gapless, c->lastframelen, c->maxbands); c->frames_to_skip = 0; - avctx->sample_fmt = AV_SAMPLE_FMT_S16; + avctx->sample_fmt = AV_SAMPLE_FMT_S16P; avctx->channel_layout = AV_CH_LAYOUT_STEREO; if(vlc_initialized) return 0; @@ -293,7 +293,7 @@ static int mpc7_decode_frame(AVCodecContext * avctx, void *data, for(ch = 0; ch < 2; ch++) idx_to_quant(c, &gb, bands[i].res[ch], c->Q[ch] + off); - ff_mpc_dequantize_and_synth(c, mb, c->frame.data[0], 2); + ff_mpc_dequantize_and_synth(c, mb, (int16_t **)c->frame.extended_data, 2); bits_used = get_bits_count(&gb); bits_avail = buf_size * 8; @@ -340,4 +340,6 @@ AVCodec ff_mpc7_decoder = { .flush = mpc7_decode_flush, .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("Musepack SV7"), + .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P, + AV_SAMPLE_FMT_NONE }, }; diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c index 79225c4275..91e228b07c 100644 --- a/libavcodec/mpc8.c +++ b/libavcodec/mpc8.c @@ -135,7 +135,7 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx) c->MSS = get_bits1(&gb); c->frames = 1 << (get_bits(&gb, 3) * 2); - avctx->sample_fmt = AV_SAMPLE_FMT_S16; + avctx->sample_fmt = AV_SAMPLE_FMT_S16P; avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO; if(vlc_initialized) return 0; @@ -405,7 +405,8 @@ static int mpc8_decode_frame(AVCodecContext * avctx, void *data, } } - ff_mpc_dequantize_and_synth(c, maxband - 1, c->frame.data[0], + ff_mpc_dequantize_and_synth(c, maxband - 1, + (int16_t **)c->frame.extended_data, avctx->channels); c->cur_frame++; @@ -438,4 +439,6 @@ AVCodec ff_mpc8_decoder = { .flush = mpc8_decode_flush, .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("Musepack SV8"), + .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P, + AV_SAMPLE_FMT_NONE }, }; |