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https://gitee.com/openharmony/third_party_ffmpeg
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activate the XA and ADX ADPCM codecs
Originally committed as revision 2385 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson
parent
f19af812a3
commit
fc38477715
@ -18,7 +18,7 @@ OBJS= common.o utils.o mem.o allcodecs.o \
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fft.o mdct.o mace.o huffyuv.o cyuv.o opts.o raw.o h264.o golomb.o \
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vp3.o asv1.o 4xm.o cabac.o ffv1.o ra144.o ra288.o vcr1.o cljr.o \
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roqvideo.o dpcm.o interplayvideo.o xan.o rpza.o cinepak.o msrle.o \
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msvideo1.o vqavideo.o idcinvideo.o
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msvideo1.o vqavideo.o idcinvideo.o adx.o
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ifeq ($(AMR_NB),yes)
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ifeq ($(AMR_NB_FIXED),yes)
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@ -21,9 +21,10 @@
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/**
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* @file adpcm.c
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* ADPCM codecs.
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* First version by Francois Revol revol@free.fr
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* First version by Francois Revol (revol@free.fr)
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* Fringe ADPCM codecs (e.g., DK3, DK4, Westwood)
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* by Mike Melanson (melanson@pcisys.net)
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* CD-ROM XA ADPCM codec by BERO
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*
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* Features and limitations:
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*
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@ -34,6 +35,11 @@
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* XAnim sources (xa_codec.c) http://www.rasnaimaging.com/people/lapus/download.html
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* http://www.cs.ucla.edu/~leec/mediabench/applications.html
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* SoX source code http://home.sprynet.com/~cbagwell/sox.html
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*
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* CD-ROM XA:
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* http://ku-www.ss.titech.ac.jp/~yatsushi/xaadpcm.html
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* vagpack & depack http://homepages.compuserve.de/bITmASTER32/psx-index.html
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* readstr http://www.geocities.co.jp/Playtown/2004/
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*/
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#define BLKSIZE 1024
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@ -67,7 +73,7 @@ static const int step_table[89] = {
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15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
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};
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/* Those are for MS-ADPCM */
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/* These are for MS-ADPCM */
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/* AdaptationTable[], AdaptCoeff1[], and AdaptCoeff2[] are from libsndfile */
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static const int AdaptationTable[] = {
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230, 230, 230, 230, 307, 409, 512, 614,
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@ -82,6 +88,15 @@ static const int AdaptCoeff2[] = {
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0, -256, 0, 64, 0, -208, -232
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};
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/* These are for CD-ROM XA ADPCM */
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const static int xa_adpcm_table[5][2] = {
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{ 0, 0 },
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{ 60, 0 },
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{ 115, -52 },
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{ 98, -55 },
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{ 122, -60 }
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};
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/* end of tables */
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typedef struct ADPCMChannelStatus {
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@ -355,6 +370,74 @@ static inline short adpcm_ms_expand_nibble(ADPCMChannelStatus *c, char nibble)
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return (short)predictor;
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}
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static void xa_decode(short *out, const unsigned char *in,
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ADPCMChannelStatus *left, ADPCMChannelStatus *right, int inc)
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{
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int i, j;
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int shift,filter,f0,f1;
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int s_1,s_2;
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int d,s,t;
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for(i=0;i<4;i++) {
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shift = 12 - (in[4+i*2] & 15);
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filter = in[4+i*2] >> 4;
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f0 = xa_adpcm_table[filter][0];
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f1 = xa_adpcm_table[filter][1];
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s_1 = left->sample1;
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s_2 = left->sample2;
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for(j=0;j<28;j++) {
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d = in[16+i+j*4];
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t = (signed char)(d<<4)>>4;
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s = ( t<<shift ) + ((s_1*f0 + s_2*f1+32)>>6);
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CLAMP_TO_SHORT(s);
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*out = s;
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out += inc;
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s_2 = s_1;
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s_1 = s;
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}
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if (inc==2) { /* stereo */
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left->sample1 = s_1;
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left->sample2 = s_2;
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s_1 = right->sample1;
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s_2 = right->sample2;
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out = out + 1 - 28*2;
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}
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shift = 12 - (in[5+i*2] & 15);
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filter = in[5+i*2] >> 4;
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f0 = xa_adpcm_table[filter][0];
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f1 = xa_adpcm_table[filter][1];
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for(j=0;j<28;j++) {
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d = in[16+i+j*4];
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t = (signed char)d >> 4;
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s = ( t<<shift ) + ((s_1*f0 + s_2*f1+32)>>6);
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CLAMP_TO_SHORT(s);
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*out = s;
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out += inc;
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s_2 = s_1;
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s_1 = s;
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}
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if (inc==2) { /* stereo */
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right->sample1 = s_1;
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right->sample2 = s_2;
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out -= 1;
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} else {
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left->sample1 = s_1;
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left->sample2 = s_2;
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}
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}
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}
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/* DK3 ADPCM support macro */
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#define DK3_GET_NEXT_NIBBLE() \
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if (decode_top_nibble_next) \
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@ -679,6 +762,17 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
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src++;
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}
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break;
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case CODEC_ID_ADPCM_XA:
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c->status[0].sample1 = c->status[0].sample2 =
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c->status[1].sample1 = c->status[1].sample2 = 0;
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while (buf_size >= 128) {
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xa_decode(samples, src, &c->status[0], &c->status[1],
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avctx->channels);
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src += 128;
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samples += 28 * 8;
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buf_size -= 128;
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}
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break;
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default:
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*data_size = 0;
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return -1;
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@ -731,5 +825,7 @@ ADPCM_CODEC(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4);
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ADPCM_CODEC(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws);
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ADPCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
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ADPCM_CODEC(CODEC_ID_ADPCM_4XM, adpcm_4xm);
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ADPCM_CODEC(CODEC_ID_ADPCM_XA, adpcm_xa);
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ADPCM_CODEC(CODEC_ID_ADPCM_ADX, adpcm_adx);
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#undef ADPCM_CODEC
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@ -146,20 +146,30 @@ void avcodec_register_all(void)
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#ifdef AMR_NB
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register_avcodec(&amr_nb_decoder);
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#ifdef CONFIG_ENCODERS
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register_avcodec(&amr_nb_encoder);
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#endif //CONFIG_ENCODERS
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#endif /* AMR_NB */
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#ifdef AMR_WB
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register_avcodec(&amr_wb_decoder);
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#ifdef CONFIG_ENCODERS
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register_avcodec(&amr_wb_encoder);
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#endif //CONFIG_ENCODERS
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#endif /* AMR_WB */
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/* pcm codecs */
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#ifdef CONFIG_ENCODERS
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#define PCM_CODEC(id, name) \
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register_avcodec(& name ## _encoder); \
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register_avcodec(& name ## _decoder); \
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#else
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#define PCM_CODEC(id, name) \
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register_avcodec(& name ## _decoder);
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#endif
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PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
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PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
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PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
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@ -177,6 +187,8 @@ PCM_CODEC(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4);
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PCM_CODEC(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws);
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PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
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PCM_CODEC(CODEC_ID_ADPCM_4XM, adpcm_4xm);
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PCM_CODEC(CODEC_ID_ADPCM_XA, adpcm_xa);
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PCM_CODEC(CODEC_ID_ADPCM_ADX, adpcm_adx);
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#undef PCM_CODEC
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}
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@ -101,6 +101,8 @@ enum CodecID {
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CODEC_ID_ADPCM_IMA_WS,
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CODEC_ID_ADPCM_MS,
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CODEC_ID_ADPCM_4XM,
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CODEC_ID_ADPCM_XA,
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CODEC_ID_ADPCM_ADX,
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/* AMR */
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CODEC_ID_AMR_NB,
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@ -138,7 +140,10 @@ enum CodecType {
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* image data is stored in AVFrame.data[0]. The palette is transported in
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* AVFrame.data[1] and, is 1024 bytes long (256 4-byte entries) and is
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* formatted the same as in PIX_FMT_RGBA32 described above (i.e., it is
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* also endian-specific).
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* also endian-specific). Note also that the individual RGB palette
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* components stored in AVFrame.data[1] should be in the range 0..255.
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* This is important as many custom PAL8 video codecs that were designed
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* to run on the IBM VGA graphics adapter use 6-bit palette components.
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*/
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enum PixelFormat {
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PIX_FMT_YUV420P, ///< Planar YUV 4:2:0 (1 Cr & Cb sample per 2x2 Y samples)
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@ -1488,6 +1493,8 @@ PCM_CODEC(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4);
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PCM_CODEC(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws);
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PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
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PCM_CODEC(CODEC_ID_ADPCM_4XM, adpcm_4xm);
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PCM_CODEC(CODEC_ID_ADPCM_XA, adpcm_xa);
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PCM_CODEC(CODEC_ID_ADPCM_ADX, adpcm_adx);
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#undef PCM_CODEC
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@ -1741,6 +1748,9 @@ void av_free_static(void);
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void *__av_mallocz_static(void** location, unsigned int size);
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#define av_mallocz_static(p, s) __av_mallocz_static((void **)(p), s)
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/* add by bero : in adx.c */
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int is_adx(const unsigned char *buf,size_t bufsize);
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#ifdef __cplusplus
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}
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#endif
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