X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpegaudiodec_float.c;h=3a76055522ed2eaaf11f123878781da4aa55684d;hb=607ad990d31e6be52980970e5ce8cd25ab3de812;hp=94463a824e073c39cac55214cf948a53a2082448;hpb=c4f5c2d6f4ffa3f4b56555059000208a6ba47b55;p=ffmpeg diff --git a/libavcodec/mpegaudiodec_float.c b/libavcodec/mpegaudiodec_float.c index 94463a824e0..3a76055522e 100644 --- a/libavcodec/mpegaudiodec_float.c +++ b/libavcodec/mpegaudiodec_float.c @@ -19,124 +19,102 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#define CONFIG_FLOAT 1 -#include "mpegaudiodec.c" - -static void compute_antialias_float(MPADecodeContext *s, - GranuleDef *g) -{ - float *ptr; - int n, i; +#include "config.h" +#include "libavutil/samplefmt.h" - /* we antialias only "long" bands */ - if (g->block_type == 2) { - if (!g->switch_point) - return; - /* XXX: check this for 8000Hz case */ - n = 1; - } else { - n = SBLIMIT - 1; - } +#define CONFIG_FLOAT 1 - ptr = g->sb_hybrid + 18; - for(i = n;i > 0;i--) { - float tmp0, tmp1; - float *csa = &csa_table_float[0][0]; -#define FLOAT_AA(j)\ - tmp0= ptr[-1-j];\ - tmp1= ptr[ j];\ - ptr[-1-j] = tmp0 * csa[0+4*j] - tmp1 * csa[1+4*j];\ - ptr[ j] = tmp0 * csa[1+4*j] + tmp1 * csa[0+4*j]; +#include "mpegaudio.h" - FLOAT_AA(0) - FLOAT_AA(1) - FLOAT_AA(2) - FLOAT_AA(3) - FLOAT_AA(4) - FLOAT_AA(5) - FLOAT_AA(6) - FLOAT_AA(7) +#define SHR(a,b) ((a)*(1.0f/(1<<(b)))) +#define FIXR_OLD(a) ((int)((a) * FRAC_ONE + 0.5)) +#define FIXR(x) ((float)(x)) +#define FIXHR(x) ((float)(x)) +#define MULH3(x, y, s) ((s)*(y)*(x)) +#define MULLx(x, y, s) ((y)*(x)) +#define RENAME(a) a ## _float +#define OUT_FMT AV_SAMPLE_FMT_FLT +#define OUT_FMT_P AV_SAMPLE_FMT_FLTP - ptr += 18; - } -} +#include "mpegaudiodec_template.c" #if CONFIG_MP1FLOAT_DECODER -AVCodec ff_mp1float_decoder = -{ - "mp1float", - AVMEDIA_TYPE_AUDIO, - CODEC_ID_MP1, - sizeof(MPADecodeContext), - decode_init, - NULL, - .close = NULL, - decode_frame, - CODEC_CAP_PARSE_ONLY, - .flush= flush, - .long_name= NULL_IF_CONFIG_SMALL("MP1 (MPEG audio layer 1)"), +AVCodec ff_mp1float_decoder = { + .name = "mp1float", + .long_name = NULL_IF_CONFIG_SMALL("MP1 (MPEG audio layer 1)"), + .type = AVMEDIA_TYPE_AUDIO, + .id = AV_CODEC_ID_MP1, + .priv_data_size = sizeof(MPADecodeContext), + .init = decode_init, + .decode = decode_frame, + .capabilities = CODEC_CAP_DR1, + .flush = flush, + .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP, + AV_SAMPLE_FMT_FLT, + AV_SAMPLE_FMT_NONE }, }; #endif #if CONFIG_MP2FLOAT_DECODER -AVCodec ff_mp2float_decoder = -{ - "mp2float", - AVMEDIA_TYPE_AUDIO, - CODEC_ID_MP2, - sizeof(MPADecodeContext), - decode_init, - NULL, - .close = NULL, - decode_frame, - CODEC_CAP_PARSE_ONLY, - .flush= flush, - .long_name= NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"), +AVCodec ff_mp2float_decoder = { + .name = "mp2float", + .long_name = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"), + .type = AVMEDIA_TYPE_AUDIO, + .id = AV_CODEC_ID_MP2, + .priv_data_size = sizeof(MPADecodeContext), + .init = decode_init, + .decode = decode_frame, + .capabilities = CODEC_CAP_DR1, + .flush = flush, + .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP, + AV_SAMPLE_FMT_FLT, + AV_SAMPLE_FMT_NONE }, }; #endif #if CONFIG_MP3FLOAT_DECODER -AVCodec ff_mp3float_decoder = -{ - "mp3float", - AVMEDIA_TYPE_AUDIO, - CODEC_ID_MP3, - sizeof(MPADecodeContext), - decode_init, - NULL, - .close = NULL, - decode_frame, - CODEC_CAP_PARSE_ONLY, - .flush= flush, - .long_name= NULL_IF_CONFIG_SMALL("MP3 (MPEG audio layer 3)"), +AVCodec ff_mp3float_decoder = { + .name = "mp3float", + .long_name = NULL_IF_CONFIG_SMALL("MP3 (MPEG audio layer 3)"), + .type = AVMEDIA_TYPE_AUDIO, + .id = AV_CODEC_ID_MP3, + .priv_data_size = sizeof(MPADecodeContext), + .init = decode_init, + .decode = decode_frame, + .capabilities = CODEC_CAP_DR1, + .flush = flush, + .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP, + AV_SAMPLE_FMT_FLT, + AV_SAMPLE_FMT_NONE }, }; #endif #if CONFIG_MP3ADUFLOAT_DECODER -AVCodec ff_mp3adufloat_decoder = -{ - "mp3adufloat", - AVMEDIA_TYPE_AUDIO, - CODEC_ID_MP3ADU, - sizeof(MPADecodeContext), - decode_init, - NULL, - .close = NULL, - decode_frame_adu, - CODEC_CAP_PARSE_ONLY, - .flush= flush, - .long_name= NULL_IF_CONFIG_SMALL("ADU (Application Data Unit) MP3 (MPEG audio layer 3)"), +AVCodec ff_mp3adufloat_decoder = { + .name = "mp3adufloat", + .long_name = NULL_IF_CONFIG_SMALL("ADU (Application Data Unit) MP3 (MPEG audio layer 3)"), + .type = AVMEDIA_TYPE_AUDIO, + .id = AV_CODEC_ID_MP3ADU, + .priv_data_size = sizeof(MPADecodeContext), + .init = decode_init, + .decode = decode_frame_adu, + .capabilities = CODEC_CAP_DR1, + .flush = flush, + .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP, + AV_SAMPLE_FMT_FLT, + AV_SAMPLE_FMT_NONE }, }; #endif #if CONFIG_MP3ON4FLOAT_DECODER -AVCodec ff_mp3on4float_decoder = -{ - "mp3on4float", - AVMEDIA_TYPE_AUDIO, - CODEC_ID_MP3ON4, - sizeof(MP3On4DecodeContext), - decode_init_mp3on4, - NULL, - decode_close_mp3on4, - decode_frame_mp3on4, - .flush= flush, - .long_name= NULL_IF_CONFIG_SMALL("MP3onMP4"), +AVCodec ff_mp3on4float_decoder = { + .name = "mp3on4float", + .long_name = NULL_IF_CONFIG_SMALL("MP3onMP4"), + .type = AVMEDIA_TYPE_AUDIO, + .id = AV_CODEC_ID_MP3ON4, + .priv_data_size = sizeof(MP3On4DecodeContext), + .init = decode_init_mp3on4, + .close = decode_close_mp3on4, + .decode = decode_frame_mp3on4, + .capabilities = CODEC_CAP_DR1, + .flush = flush_mp3on4, + .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP, + AV_SAMPLE_FMT_NONE }, }; #endif