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author | Vladimir Voroshilov <voroshil@gmail.com> | 2009-06-06 17:40:33 +0000 |
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committer | Vladimir Voroshilov <voroshil@gmail.com> | 2009-06-06 17:40:33 +0000 |
commit | d4a9255699f210a0fc718d9eb27a04ef8a223469 (patch) | |
tree | c59e3ae1ca1b9ae4aa147c91f7dcfe79e2ec0e56 | |
parent | a52dc730cf935dc9f9e68c483f9230c36bc41e73 (diff) | |
download | ffmpeg-d4a9255699f210a0fc718d9eb27a04ef8a223469.tar.gz |
K&R formatting of already submitted G.729 code
Originally committed as revision 19127 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | libavcodec/g729data.h | 15 | ||||
-rw-r--r-- | libavcodec/g729dec.c | 56 |
2 files changed, 26 insertions, 45 deletions
diff --git a/libavcodec/g729data.h b/libavcodec/g729data.h index d2ff262dd0..796d24ec64 100644 --- a/libavcodec/g729data.h +++ b/libavcodec/g729data.h @@ -39,8 +39,7 @@ * first stage LSP codebook * (10-dimensional, with 128 entries (3.24 of G.729) */ -static const int16_t cb_lsp_1st[1<<VQ_1ST_BITS][10] = -{ /* (2.13) */ +static const int16_t cb_lsp_1st[1<<VQ_1ST_BITS][10] = { /* (2.13) */ { 1486, 2168, 3751, 9074, 12134, 13944, 17983, 19173, 21190, 21820}, { 1730, 2640, 3450, 4870, 6126, 7876, 15644, 17817, 20294, 21902}, { 1568, 2256, 3088, 4874, 11063, 13393, 18307, 19293, 21109, 21741}, @@ -175,8 +174,7 @@ static const int16_t cb_lsp_1st[1<<VQ_1ST_BITS][10] = * second stage LSP codebook, high and low parts (both 5-dimensional, with 32 entries (3.2.4 of G.729) */ -static const int16_t cb_lsp_2nd[1<<VQ_2ND_BITS][10] = -{ /* (2.13) */ +static const int16_t cb_lsp_2nd[1<<VQ_2ND_BITS][10] = { /* (2.13) */ { -435, -815, -742, 1033, -518, 582, -1201, 829, 86, 385}, { -833, -891, 463, -8, -1251, 1450, 72, -231, 864, 661}, {-1021, 231, -306, 321, -220, -163, -526, -754, -1633, 267}, @@ -214,8 +212,7 @@ static const int16_t cb_lsp_2nd[1<<VQ_2ND_BITS][10] = /** * gain codebook (first stage), 8k mode (3.9.2 of G.729) */ -static const int16_t cb_gain_1st_8k[1<<GC_1ST_IDX_BITS_8K][2] = -{ /*(0.14) (2.13) */ +static const int16_t cb_gain_1st_8k[1<<GC_1ST_IDX_BITS_8K][2] = { /*(0.14) (2.13) */ { 3242 , 9949 }, { 1551 , 2425 }, { 2678 , 27162 }, @@ -229,8 +226,7 @@ static const int16_t cb_gain_1st_8k[1<<GC_1ST_IDX_BITS_8K][2] = /** * gain codebook (second stage), 8k mode (3.9.2 of G.729) */ -static const int16_t cb_gain_2nd_8k[1<<GC_2ND_IDX_BITS_8K][2] = -{ /*(1.14) (1.13) */ +static const int16_t cb_gain_2nd_8k[1<<GC_2ND_IDX_BITS_8K][2] = { /*(1.14) (1.13) */ { 5142 , 592 }, { 17299 , 1861 }, { 6160 , 2395 }, @@ -252,8 +248,7 @@ static const int16_t cb_gain_2nd_8k[1<<GC_2ND_IDX_BITS_8K][2] = /** * 4th order Moving Average (MA) Predictor codebook (3.2.4 of G.729) */ -static const int16_t cb_ma_predictor[2][MA_NP][10] = -{ /* (0.15) */ +static const int16_t cb_ma_predictor[2][MA_NP][10] = { /* (0.15) */ { { 8421, 9109, 9175, 8965, 9034, 9057, 8765, 8775, 9106, 8673}, { 7018, 7189, 7638, 7307, 7444, 7379, 7038, 6956, 6930, 6868}, diff --git a/libavcodec/g729dec.c b/libavcodec/g729dec.c index b92ca1da67..4988297b23 100644 --- a/libavcodec/g729dec.c +++ b/libavcodec/g729dec.c @@ -71,8 +71,7 @@ */ #define SHARP_MAX 13017 -typedef struct -{ +typedef struct { int sample_rate; uint8_t packed_frame_size; ///< input frame size(in bytes) uint8_t unpacked_frame_size;///< output frame size (in bytes) @@ -98,53 +97,40 @@ static inline int get_parity(uint8_t value) return (0x6996966996696996ULL >> (value >> 2)) & 1; } - if(avctx->channels != 1) - { + if (avctx->channels != 1) { av_log(avctx, AV_LOG_ERROR, "Only mono sound is supported (requested channels: %d).\n", avctx->channels); return AVERROR_NOFMT; } - ff_acelp_weighted_vector_sum( - fc + pitch_delay_int[i], - fc + pitch_delay_int[i], - fc, - 1 << 14, - av_clip(ctx->gain_pitch, SHARP_MIN, SHARP_MAX), - 0, - 14, - ctx->subframe_size - pitch_delay_int[i]); - - if(ctx->frame_erasure) - { - ctx->gain_pitch = (29491 * ctx->gain_pitch) >> 15; // 0.9 (0.15) - ctx->gain_code = (2007 * ctx->gain_code) >> 11; // 0.98 in (0.11) + ff_acelp_weighted_vector_sum(fc + pitch_delay_int[i], + fc + pitch_delay_int[i], + fc, 1 << 14, + av_clip(ctx->gain_pitch, SHARP_MIN, SHARP_MAX), + 0, 14, + ctx->subframe_size - pitch_delay_int[i]); + + if (ctx->frame_erasure) { + ctx->gain_pitch = (29491 * ctx->gain_pitch) >> 15; // 0.90 (0.15) + ctx->gain_code = ( 2007 * ctx->gain_code ) >> 11; // 0.98 (0.11) gain_corr_factor = 0; - } - else - { + } else { ctx->gain_pitch = cb_gain_1st_8k[parm->gc_1st_index[i]][0] + cb_gain_2nd_8k[parm->gc_2nd_index[i]][0]; gain_corr_factor = cb_gain_1st_8k[parm->gc_1st_index[i]][1] + cb_gain_2nd_8k[parm->gc_2nd_index[i]][1]; - ff_acelp_weighted_vector_sum( - ctx->exc + i * ctx->subframe_size, - ctx->exc + i * ctx->subframe_size, - fc, - (!voicing && ctx->frame_erasure) ? 0 : ctx->gain_pitch, - ( voicing && ctx->frame_erasure) ? 0 : ctx->gain_code, - 1<<13, - 14, - ctx->subframe_size); - - if (buf_size<packed_frame_size) - { + ff_acelp_weighted_vector_sum(ctx->exc + i * ctx->subframe_size, + ctx->exc + i * ctx->subframe_size, fc, + (!voicing && ctx->frame_erasure) ? 0 : ctx->gain_pitch, + ( voicing && ctx->frame_erasure) ? 0 : ctx->gain_code, + 1<<13, 14, ctx->subframe_size); + + if (buf_size < packed_frame_size) { av_log(avctx, AV_LOG_ERROR, "Error processing packet: packet size too small\n"); return AVERROR(EIO); } - if (*data_size<unpacked_frame_size) - { + if (*data_size < unpacked_frame_size) { av_log(avctx, AV_LOG_ERROR, "Error processing packet: output buffer too small\n"); return AVERROR(EIO); } |