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![Michael Niedermayer](/assets/img/avatar_default.png)
* commit '759001c534287a96dc96d1e274665feb7059145d': lavc decoders: work with refcounted frames. Anton Khirnov (1): lavc decoders: work with refcounted frames. Clément Bœsch (47): lavc/ansi: reset file lavc/ansi: re-do refcounted frame changes from Anton fraps: reset file lavc/fraps: switch to refcounted frames gifdec: reset file lavc/gifdec: switch to refcounted frames dsicinav: resolve conflicts smc: resolve conflicts zmbv: resolve conflicts rpza: resolve conflicts vble: resolve conflicts xxan: resolve conflicts targa: resolve conflicts vmnc: resolve conflicts utvideodec: resolve conflicts tscc: resolve conflicts ulti: resolve conflicts ffv1dec: resolve conflicts dnxhddec: resolve conflicts v210dec: resolve conflicts vp3: resolve conflicts vcr1: resolve conflicts v210x: resolve conflicts wavpack: resolve conflicts pngdec: fix compilation roqvideodec: resolve conflicts pictordec: resolve conflicts mdec: resolve conflicts tiertexseqv: resolve conflicts smacker: resolve conflicts vb: resolve conflicts vqavideo: resolve conflicts xl: resolve conflicts tmv: resolve conflicts vmdav: resolve conflicts truemotion1: resolve conflicts truemotion2: resolve conflicts lcldec: fix compilation libcelt_dec: fix compilation qdrw: fix compilation r210dec: fix compilation rl2: fix compilation wnv1: fix compilation yop: fix compilation tiff: resolve conflicts interplayvideo: fix compilation qpeg: resolve conflicts (FIXME/TESTME). Hendrik Leppkes (33): 012v: convert to refcounted frames 8bps: fix compilation 8svx: resolve conflicts 4xm: resolve conflicts aasc: resolve conflicts bfi: fix compilation aura: fix compilation alsdec: resolve conflicts avrndec: convert to refcounted frames avuidec: convert to refcounted frames bintext: convert to refcounted frames cavsdec: resolve conflicts brender_pix: convert to refcounted frames cinepak: resolve conflicts cinepak: avoid using AVFrame struct directly in private context cljr: fix compilation cpia: convert to refcounted frames cscd: resolve conflicts iff: resolve conflicts and do proper conversion to refcounted frames 4xm: fix reference frame handling cyuv: fix compilation dxa: fix compilation eacmv: fix compilation eamad: fix compilation eatgv: fix compilation escape124: remove unused variable. escape130: convert to refcounted frames evrcdec: convert to refcounted frames exr: convert to refcounted frames mvcdec: convert to refcounted frames paf: properly free the frame data on decode close sgirle: convert to refcounted frames lavfi/moviesrc: use refcounted frames Michael Niedermayer (56): Merge commit '759001c534287a96dc96d1e274665feb7059145d' resolve conflicts in headers motion_est: resolve conflict mpeg4videodec: fix conflicts dpcm conflict fix dpx: fix conflicts indeo3: resolve confilcts kmvc: resolve conflicts kmvc: resolve conflicts h264: resolve conflicts utils: resolve conflicts rawdec: resolve conflcits mpegvideo: resolve conflicts svq1enc: resolve conflicts mpegvideo: dont clear data, fix assertion failure on fate vsynth1 with threads pthreads: resolve conflicts frame_thread_encoder: simple compilefix not yet tested snow: update to buffer refs crytsalhd: fix compile dirac: switch to new API sonic: update to new API svq1: resolve conflict, update to new API ffwavesynth: update to new buffer API g729: update to new API indeo5: fix compile j2kdec: update to new buffer API linopencore-amr: fix compile libvorbisdec: update to new API loco: fix compile paf: update to new API proresdec: update to new API vp56: update to new api / resolve conflicts xface: convert to refcounted frames xan: fix compile&fate v408: update to ref counted buffers v308: update to ref counted buffers yuv4dec: update to ref counted buffers y41p: update to ref counted frames xbm: update to refcounted frames targa_y216: update to refcounted buffers qpeg: fix fate/crash cdxl: fix fate tscc: fix reget buffer useage targa_y216dec: fix style msmpeg4: fix fate h264: ref_picture() copy fields that have been lost too update_frame_pool: use channel field h264: Put code that prevents deadlocks back mpegvideo: dont allow last == current wmalossless: fix buffer ref messup ff_alloc_picture: free tables in case of dimension mismatches h264: fix null pointer dereference and assertion failure frame_thread_encoder: update to bufrefs ec: fix used arrays snowdec: fix off by 1 error in dimensions check h264: disallow single unpaired fields as references of frames Paul B Mahol (2): lavc/vima: convert to refcounted frames sanm: convert to refcounted frames Conflicts: libavcodec/4xm.c libavcodec/8bps.c libavcodec/8svx.c libavcodec/aasc.c libavcodec/alsdec.c libavcodec/anm.c libavcodec/ansi.c libavcodec/avs.c libavcodec/bethsoftvideo.c libavcodec/bfi.c libavcodec/c93.c libavcodec/cavsdec.c libavcodec/cdgraphics.c libavcodec/cinepak.c libavcodec/cljr.c libavcodec/cscd.c libavcodec/dnxhddec.c libavcodec/dpcm.c libavcodec/dpx.c libavcodec/dsicinav.c libavcodec/dvdec.c libavcodec/dxa.c libavcodec/eacmv.c libavcodec/eamad.c libavcodec/eatgq.c libavcodec/eatgv.c libavcodec/eatqi.c libavcodec/error_resilience.c libavcodec/escape124.c libavcodec/ffv1.h libavcodec/ffv1dec.c libavcodec/flicvideo.c libavcodec/fraps.c libavcodec/frwu.c libavcodec/g723_1.c libavcodec/gifdec.c libavcodec/h264.c libavcodec/h264.h libavcodec/h264_direct.c libavcodec/h264_loopfilter.c libavcodec/h264_refs.c libavcodec/huffyuvdec.c libavcodec/idcinvideo.c libavcodec/iff.c libavcodec/indeo2.c libavcodec/indeo3.c libavcodec/internal.h libavcodec/interplayvideo.c libavcodec/ivi_common.c libavcodec/jvdec.c libavcodec/kgv1dec.c libavcodec/kmvc.c libavcodec/lagarith.c libavcodec/libopenjpegdec.c libavcodec/mdec.c libavcodec/mimic.c libavcodec/mjpegbdec.c libavcodec/mjpegdec.c libavcodec/mmvideo.c libavcodec/motion_est.c libavcodec/motionpixels.c libavcodec/mpc7.c libavcodec/mpeg12.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo.c libavcodec/mpegvideo.h libavcodec/msrle.c libavcodec/msvideo1.c libavcodec/nuv.c libavcodec/options_table.h libavcodec/pcx.c libavcodec/pictordec.c libavcodec/pngdec.c libavcodec/pnmdec.c libavcodec/pthread.c libavcodec/qpeg.c libavcodec/qtrle.c libavcodec/r210dec.c libavcodec/rawdec.c libavcodec/roqvideodec.c libavcodec/rpza.c libavcodec/smacker.c libavcodec/smc.c libavcodec/svq1dec.c libavcodec/svq1enc.c libavcodec/targa.c libavcodec/tiertexseqv.c libavcodec/tiff.c libavcodec/tmv.c libavcodec/truemotion1.c libavcodec/truemotion2.c libavcodec/tscc.c libavcodec/ulti.c libavcodec/utils.c libavcodec/utvideodec.c libavcodec/v210dec.c libavcodec/v210x.c libavcodec/vb.c libavcodec/vble.c libavcodec/vcr1.c libavcodec/vmdav.c libavcodec/vmnc.c libavcodec/vp3.c libavcodec/vp56.c libavcodec/vp56.h libavcodec/vp6.c libavcodec/vqavideo.c libavcodec/wavpack.c libavcodec/xl.c libavcodec/xxan.c libavcodec/zmbv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
369 lines
11 KiB
C
369 lines
11 KiB
C
/*
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* DSP Group TrueSpeech compatible decoder
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* Copyright (c) 2005 Konstantin Shishkov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/channel_layout.h"
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#include "libavutil/intreadwrite.h"
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#include "avcodec.h"
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#include "dsputil.h"
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#include "get_bits.h"
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#include "internal.h"
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#include "truespeech_data.h"
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/**
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* @file
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* TrueSpeech decoder.
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*/
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/**
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* TrueSpeech decoder context
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*/
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typedef struct {
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DSPContext dsp;
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/* input data */
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DECLARE_ALIGNED(16, uint8_t, buffer)[32];
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int16_t vector[8]; ///< input vector: 5/5/4/4/4/3/3/3
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int offset1[2]; ///< 8-bit value, used in one copying offset
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int offset2[4]; ///< 7-bit value, encodes offsets for copying and for two-point filter
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int pulseoff[4]; ///< 4-bit offset of pulse values block
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int pulsepos[4]; ///< 27-bit variable, encodes 7 pulse positions
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int pulseval[4]; ///< 7x2-bit pulse values
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int flag; ///< 1-bit flag, shows how to choose filters
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/* temporary data */
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int filtbuf[146]; // some big vector used for storing filters
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int prevfilt[8]; // filter from previous frame
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int16_t tmp1[8]; // coefficients for adding to out
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int16_t tmp2[8]; // coefficients for adding to out
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int16_t tmp3[8]; // coefficients for adding to out
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int16_t cvector[8]; // correlated input vector
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int filtval; // gain value for one function
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int16_t newvec[60]; // tmp vector
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int16_t filters[32]; // filters for every subframe
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} TSContext;
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static av_cold int truespeech_decode_init(AVCodecContext * avctx)
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{
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TSContext *c = avctx->priv_data;
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if (avctx->channels != 1) {
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av_log_ask_for_sample(avctx, "Unsupported channel count: %d\n", avctx->channels);
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return AVERROR_PATCHWELCOME;
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}
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avctx->channel_layout = AV_CH_LAYOUT_MONO;
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avctx->sample_fmt = AV_SAMPLE_FMT_S16;
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ff_dsputil_init(&c->dsp, avctx);
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return 0;
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}
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static void truespeech_read_frame(TSContext *dec, const uint8_t *input)
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{
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GetBitContext gb;
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dec->dsp.bswap_buf((uint32_t *)dec->buffer, (const uint32_t *)input, 8);
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init_get_bits(&gb, dec->buffer, 32 * 8);
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dec->vector[7] = ts_codebook[7][get_bits(&gb, 3)];
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dec->vector[6] = ts_codebook[6][get_bits(&gb, 3)];
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dec->vector[5] = ts_codebook[5][get_bits(&gb, 3)];
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dec->vector[4] = ts_codebook[4][get_bits(&gb, 4)];
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dec->vector[3] = ts_codebook[3][get_bits(&gb, 4)];
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dec->vector[2] = ts_codebook[2][get_bits(&gb, 4)];
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dec->vector[1] = ts_codebook[1][get_bits(&gb, 5)];
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dec->vector[0] = ts_codebook[0][get_bits(&gb, 5)];
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dec->flag = get_bits1(&gb);
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dec->offset1[0] = get_bits(&gb, 4) << 4;
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dec->offset2[3] = get_bits(&gb, 7);
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dec->offset2[2] = get_bits(&gb, 7);
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dec->offset2[1] = get_bits(&gb, 7);
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dec->offset2[0] = get_bits(&gb, 7);
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dec->offset1[1] = get_bits(&gb, 4);
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dec->pulseval[1] = get_bits(&gb, 14);
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dec->pulseval[0] = get_bits(&gb, 14);
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dec->offset1[1] |= get_bits(&gb, 4) << 4;
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dec->pulseval[3] = get_bits(&gb, 14);
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dec->pulseval[2] = get_bits(&gb, 14);
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dec->offset1[0] |= get_bits1(&gb);
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dec->pulsepos[0] = get_bits_long(&gb, 27);
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dec->pulseoff[0] = get_bits(&gb, 4);
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dec->offset1[0] |= get_bits1(&gb) << 1;
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dec->pulsepos[1] = get_bits_long(&gb, 27);
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dec->pulseoff[1] = get_bits(&gb, 4);
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dec->offset1[0] |= get_bits1(&gb) << 2;
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dec->pulsepos[2] = get_bits_long(&gb, 27);
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dec->pulseoff[2] = get_bits(&gb, 4);
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dec->offset1[0] |= get_bits1(&gb) << 3;
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dec->pulsepos[3] = get_bits_long(&gb, 27);
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dec->pulseoff[3] = get_bits(&gb, 4);
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}
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static void truespeech_correlate_filter(TSContext *dec)
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{
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int16_t tmp[8];
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int i, j;
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for(i = 0; i < 8; i++){
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if(i > 0){
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memcpy(tmp, dec->cvector, i * sizeof(*tmp));
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for(j = 0; j < i; j++)
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dec->cvector[j] = ((tmp[i - j - 1] * dec->vector[i]) +
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(dec->cvector[j] << 15) + 0x4000) >> 15;
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}
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dec->cvector[i] = (8 - dec->vector[i]) >> 3;
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}
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for(i = 0; i < 8; i++)
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dec->cvector[i] = (dec->cvector[i] * ts_decay_994_1000[i]) >> 15;
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dec->filtval = dec->vector[0];
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}
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static void truespeech_filters_merge(TSContext *dec)
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{
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int i;
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if(!dec->flag){
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for(i = 0; i < 8; i++){
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dec->filters[i + 0] = dec->prevfilt[i];
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dec->filters[i + 8] = dec->prevfilt[i];
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}
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}else{
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for(i = 0; i < 8; i++){
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dec->filters[i + 0]=(dec->cvector[i] * 21846 + dec->prevfilt[i] * 10923 + 16384) >> 15;
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dec->filters[i + 8]=(dec->cvector[i] * 10923 + dec->prevfilt[i] * 21846 + 16384) >> 15;
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}
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}
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for(i = 0; i < 8; i++){
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dec->filters[i + 16] = dec->cvector[i];
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dec->filters[i + 24] = dec->cvector[i];
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}
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}
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static void truespeech_apply_twopoint_filter(TSContext *dec, int quart)
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{
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int16_t tmp[146 + 60], *ptr0, *ptr1;
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const int16_t *filter;
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int i, t, off;
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t = dec->offset2[quart];
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if(t == 127){
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memset(dec->newvec, 0, 60 * sizeof(*dec->newvec));
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return;
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}
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for(i = 0; i < 146; i++)
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tmp[i] = dec->filtbuf[i];
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off = (t / 25) + dec->offset1[quart >> 1] + 18;
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off = av_clip(off, 0, 145);
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ptr0 = tmp + 145 - off;
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ptr1 = tmp + 146;
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filter = ts_order2_coeffs + (t % 25) * 2;
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for(i = 0; i < 60; i++){
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t = (ptr0[0] * filter[0] + ptr0[1] * filter[1] + 0x2000) >> 14;
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ptr0++;
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dec->newvec[i] = t;
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ptr1[i] = t;
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}
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}
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static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
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{
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int16_t tmp[7];
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int i, j, t;
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const int16_t *ptr1;
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int16_t *ptr2;
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int coef;
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memset(out, 0, 60 * sizeof(*out));
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for(i = 0; i < 7; i++) {
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t = dec->pulseval[quart] & 3;
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dec->pulseval[quart] >>= 2;
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tmp[6 - i] = ts_pulse_scales[dec->pulseoff[quart] * 4 + t];
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}
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coef = dec->pulsepos[quart] >> 15;
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ptr1 = ts_pulse_values + 30;
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ptr2 = tmp;
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for(i = 0, j = 3; (i < 30) && (j > 0); i++){
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t = *ptr1++;
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if(coef >= t)
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coef -= t;
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else{
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out[i] = *ptr2++;
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ptr1 += 30;
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j--;
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}
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}
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coef = dec->pulsepos[quart] & 0x7FFF;
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ptr1 = ts_pulse_values;
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for(i = 30, j = 4; (i < 60) && (j > 0); i++){
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t = *ptr1++;
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if(coef >= t)
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coef -= t;
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else{
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out[i] = *ptr2++;
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ptr1 += 30;
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j--;
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}
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}
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}
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static void truespeech_update_filters(TSContext *dec, int16_t *out, int quart)
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{
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int i;
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memmove(dec->filtbuf, &dec->filtbuf[60], 86 * sizeof(*dec->filtbuf));
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for(i = 0; i < 60; i++){
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dec->filtbuf[i + 86] = out[i] + dec->newvec[i] - (dec->newvec[i] >> 3);
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out[i] += dec->newvec[i];
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}
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}
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static void truespeech_synth(TSContext *dec, int16_t *out, int quart)
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{
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int i,k;
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int t[8];
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int16_t *ptr0, *ptr1;
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ptr0 = dec->tmp1;
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ptr1 = dec->filters + quart * 8;
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for(i = 0; i < 60; i++){
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int sum = 0;
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for(k = 0; k < 8; k++)
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sum += ptr0[k] * ptr1[k];
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sum = (sum + (out[i] << 12) + 0x800) >> 12;
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out[i] = av_clip(sum, -0x7FFE, 0x7FFE);
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for(k = 7; k > 0; k--)
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ptr0[k] = ptr0[k - 1];
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ptr0[0] = out[i];
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}
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for(i = 0; i < 8; i++)
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t[i] = (ts_decay_35_64[i] * ptr1[i]) >> 15;
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ptr0 = dec->tmp2;
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for(i = 0; i < 60; i++){
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int sum = 0;
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for(k = 0; k < 8; k++)
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sum += ptr0[k] * t[k];
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for(k = 7; k > 0; k--)
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ptr0[k] = ptr0[k - 1];
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ptr0[0] = out[i];
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out[i] = ((out[i] << 12) - sum) >> 12;
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}
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for(i = 0; i < 8; i++)
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t[i] = (ts_decay_3_4[i] * ptr1[i]) >> 15;
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ptr0 = dec->tmp3;
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for(i = 0; i < 60; i++){
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int sum = out[i] << 12;
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for(k = 0; k < 8; k++)
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sum += ptr0[k] * t[k];
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for(k = 7; k > 0; k--)
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ptr0[k] = ptr0[k - 1];
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ptr0[0] = av_clip((sum + 0x800) >> 12, -0x7FFE, 0x7FFE);
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sum = ((ptr0[1] * (dec->filtval - (dec->filtval >> 2))) >> 4) + sum;
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sum = sum - (sum >> 3);
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out[i] = av_clip((sum + 0x800) >> 12, -0x7FFE, 0x7FFE);
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}
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}
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static void truespeech_save_prevvec(TSContext *c)
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{
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int i;
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for(i = 0; i < 8; i++)
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c->prevfilt[i] = c->cvector[i];
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}
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static int truespeech_decode_frame(AVCodecContext *avctx, void *data,
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int *got_frame_ptr, AVPacket *avpkt)
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{
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AVFrame *frame = data;
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const uint8_t *buf = avpkt->data;
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int buf_size = avpkt->size;
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TSContext *c = avctx->priv_data;
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int i, j;
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int16_t *samples;
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int iterations, ret;
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iterations = buf_size / 32;
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if (!iterations) {
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av_log(avctx, AV_LOG_ERROR,
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"Too small input buffer (%d bytes), need at least 32 bytes\n", buf_size);
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return -1;
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}
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/* get output buffer */
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frame->nb_samples = iterations * 240;
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if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return ret;
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}
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samples = (int16_t *)frame->data[0];
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memset(samples, 0, iterations * 240 * sizeof(*samples));
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for(j = 0; j < iterations; j++) {
|
|
truespeech_read_frame(c, buf);
|
|
buf += 32;
|
|
|
|
truespeech_correlate_filter(c);
|
|
truespeech_filters_merge(c);
|
|
|
|
for(i = 0; i < 4; i++) {
|
|
truespeech_apply_twopoint_filter(c, i);
|
|
truespeech_place_pulses (c, samples, i);
|
|
truespeech_update_filters(c, samples, i);
|
|
truespeech_synth (c, samples, i);
|
|
samples += 60;
|
|
}
|
|
|
|
truespeech_save_prevvec(c);
|
|
}
|
|
|
|
*got_frame_ptr = 1;
|
|
|
|
return buf_size;
|
|
}
|
|
|
|
AVCodec ff_truespeech_decoder = {
|
|
.name = "truespeech",
|
|
.type = AVMEDIA_TYPE_AUDIO,
|
|
.id = AV_CODEC_ID_TRUESPEECH,
|
|
.priv_data_size = sizeof(TSContext),
|
|
.init = truespeech_decode_init,
|
|
.decode = truespeech_decode_frame,
|
|
.capabilities = CODEC_CAP_DR1,
|
|
.long_name = NULL_IF_CONFIG_SMALL("DSP Group TrueSpeech"),
|
|
};
|