From 670a6b133b408fe69d791cba56c6136ea07b1ae4 Mon Sep 17 00:00:00 2001 From: Aurelien Jacobs Date: Thu, 17 May 2007 17:04:00 +0000 Subject: remove libdts decoder, we have a native dts decoder Originally committed as revision 9051 to svn://svn.ffmpeg.org/ffmpeg/trunk --- configure | 7 -- libavcodec/Makefile | 1 - libavcodec/allcodecs.c | 1 - libavcodec/avcodec.h | 1 - libavcodec/dtsdec.c | 278 ------------------------------------------------- 5 files changed, 288 deletions(-) delete mode 100644 libavcodec/dtsdec.c diff --git a/configure b/configure index e541dc887f..db70fdac2e 100755 --- a/configure +++ b/configure @@ -85,7 +85,6 @@ show_help(){ echo " --enable-avisynth allow reading AVISynth script files [default=no]" echo " --enable-libamr-nb enable libamr-nb floating point audio codec" echo " --enable-libamr-wb enable libamr-wb floating point audio codec" - echo " --enable-libdts enable GPLed libdts support [default=no]" echo " --enable-libfaac enable FAAC support via libfaac [default=no]" echo " --enable-libfaad enable FAAD support via libfaad [default=no]" echo " --enable-libfaadbin build FAAD support with runtime linking [default=no]" @@ -578,7 +577,6 @@ CONFIG_LIST=' libamr libamr_nb libamr_wb - libdts libfaac libfaad libfaadbin @@ -710,7 +708,6 @@ libamr_nb_decoder_deps="libamr_nb" libamr_nb_encoder_deps="libamr_nb" libamr_wb_decoder_deps="libamr_wb" libamr_wb_encoder_deps="libamr_wb" -libdts_decoder_deps="libdts" libgsm_decoder_deps="libgsm" libgsm_encoder_deps="libgsm" libgsm_ms_decoder_deps="libgsm" @@ -826,7 +823,6 @@ liba52="no" liba52bin="no" libamr_nb="no" libamr_wb="no" -libdts="no" libfaac="no" libfaad2="no" libfaad="no" @@ -1282,7 +1278,6 @@ if disabled gpl ; then die_gpl_disabled "liba52" liba52 die_gpl_disabled "libxvidcore" xvid die_gpl_disabled "x264" x264 - die_gpl_disabled "libdts" libdts die_gpl_disabled "FAAD2" libfaad2 die_gpl_disabled "The X11 grabber" x11grab die_gpl_disabled "The software scaler" swscaler @@ -1619,7 +1614,6 @@ enabled_any libamr_nb libamr_wb && enable libamr enabled liba52 && require liba52 a52dec/a52.h a52_init -la52 enabled libamr_nb && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm enabled libamr_wb && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm -enabled libdts && require libdts dts.h dts_init -ldts -lm enabled libgsm && require libgsm gsm.h gsm_create -lgsm enabled libmp3lame && require LAME lame/lame.h lame_init -lmp3lame -lm enabled libtheora && require libtheora theora/theora.h theora_info_init -ltheora -logg @@ -1881,7 +1875,6 @@ echo "liba52 support $liba52" echo "liba52 dlopened $liba52bin" echo "libamr-nb support $libamr_nb" echo "libamr-wb support $libamr_wb" -echo "libdts support $libdts" echo "libfaac enabled $libfaac" echo "libfaad enabled $libfaad" echo "faadbin enabled $libfaadbin" diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 6857fa4b28..a63eec7516 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -278,7 +278,6 @@ OBJS-$(CONFIG_ADPCM_YAMAHA_ENCODER) += adpcm.o # external codec libraries OBJS-$(CONFIG_LIBAMR) += amr.o OBJS-$(CONFIG_LIBA52) += a52dec.o -OBJS-$(CONFIG_LIBDTS) += dtsdec.o OBJS-$(CONFIG_LIBFAAC) += faac.o OBJS-$(CONFIG_LIBFAAD) += faad.o OBJS-$(CONFIG_LIBGSM) += libgsm.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index 4c18f5742a..be4239618b 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -178,7 +178,6 @@ void avcodec_register_all(void) REGISTER_ENCDEC (LIBAMR_NB, libamr_nb); REGISTER_ENCDEC (LIBAMR_WB, libamr_wb); REGISTER_DECODER(LIBA52, liba52); - REGISTER_DECODER(LIBDTS, libdts); REGISTER_ENCDEC (LIBGSM, libgsm); REGISTER_ENCDEC (LIBGSM_MS, libgsm_ms); REGISTER_ENCODER(LIBTHEORA, libtheora); diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 95b26a7a3d..a86011d16b 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -2428,7 +2428,6 @@ extern AVCodec libamr_nb_decoder; extern AVCodec libamr_nb_encoder; extern AVCodec libamr_wb_decoder; extern AVCodec libamr_wb_encoder; -extern AVCodec libdts_decoder; extern AVCodec libgsm_decoder; extern AVCodec libgsm_encoder; extern AVCodec libgsm_ms_decoder; diff --git a/libavcodec/dtsdec.c b/libavcodec/dtsdec.c deleted file mode 100644 index cf77a57294..0000000000 --- a/libavcodec/dtsdec.c +++ /dev/null @@ -1,278 +0,0 @@ -/* - * dtsdec.c : free DTS Coherent Acoustics stream decoder. - * Copyright (C) 2004 Benjamin Zores - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "avcodec.h" -#include - -#include -#include - -#define BUFFER_SIZE 18726 -#define HEADER_SIZE 14 - -#define CONVERT_LEVEL 1 -#define CONVERT_BIAS 0 - -typedef struct DTSContext { - dts_state_t *state; - uint8_t buf[BUFFER_SIZE]; - uint8_t *bufptr; - uint8_t *bufpos; -} DTSContext; - -static inline int16_t -convert(sample_t s) -{ - return s * 0x7fff; -} - -static void -convert2s16_multi(sample_t *f, int16_t *s16, int flags) -{ - int i; - - switch(flags & (DTS_CHANNEL_MASK | DTS_LFE)){ - case DTS_MONO: - for(i = 0; i < 256; i++){ - s16[5*i] = s16[5*i+1] = s16[5*i+2] = s16[5*i+3] = 0; - s16[5*i+4] = convert(f[i]); - } - break; - case DTS_CHANNEL: - case DTS_STEREO: - case DTS_DOLBY: - for(i = 0; i < 256; i++){ - s16[2*i] = convert(f[i]); - s16[2*i+1] = convert(f[i+256]); - } - break; - case DTS_3F: - for(i = 0; i < 256; i++){ - s16[5*i] = convert(f[i+256]); - s16[5*i+1] = convert(f[i+512]); - s16[5*i+2] = s16[5*i+3] = 0; - s16[5*i+4] = convert(f[i]); - } - break; - case DTS_2F2R: - for(i = 0; i < 256; i++){ - s16[4*i] = convert(f[i]); - s16[4*i+1] = convert(f[i+256]); - s16[4*i+2] = convert(f[i+512]); - s16[4*i+3] = convert(f[i+768]); - } - break; - case DTS_3F2R: - for(i = 0; i < 256; i++){ - s16[5*i] = convert(f[i+256]); - s16[5*i+1] = convert(f[i+512]); - s16[5*i+2] = convert(f[i+768]); - s16[5*i+3] = convert(f[i+1024]); - s16[5*i+4] = convert(f[i]); - } - break; - case DTS_MONO | DTS_LFE: - for(i = 0; i < 256; i++){ - s16[6*i] = s16[6*i+1] = s16[6*i+2] = s16[6*i+3] = 0; - s16[6*i+4] = convert(f[i]); - s16[6*i+5] = convert(f[i+256]); - } - break; - case DTS_CHANNEL | DTS_LFE: - case DTS_STEREO | DTS_LFE: - case DTS_DOLBY | DTS_LFE: - for(i = 0; i < 256; i++){ - s16[6*i] = convert(f[i]); - s16[6*i+1] = convert(f[i+256]); - s16[6*i+2] = s16[6*i+3] = s16[6*i+4] = 0; - s16[6*i+5] = convert(f[i+512]); - } - break; - case DTS_3F | DTS_LFE: - for(i = 0; i < 256; i++){ - s16[6*i] = convert(f[i+256]); - s16[6*i+1] = convert(f[i+512]); - s16[6*i+2] = s16[6*i+3] = 0; - s16[6*i+4] = convert(f[i]); - s16[6*i+5] = convert(f[i+768]); - } - break; - case DTS_2F2R | DTS_LFE: - for(i = 0; i < 256; i++){ - s16[6*i] = convert(f[i]); - s16[6*i+1] = convert(f[i+256]); - s16[6*i+2] = convert(f[i+512]); - s16[6*i+3] = convert(f[i+768]); - s16[6*i+4] = 0; - s16[6*i+5] = convert(f[i+1024]); - } - break; - case DTS_3F2R | DTS_LFE: - for(i = 0; i < 256; i++){ - s16[6*i] = convert(f[i+256]); - s16[6*i+1] = convert(f[i+512]); - s16[6*i+2] = convert(f[i+768]); - s16[6*i+3] = convert(f[i+1024]); - s16[6*i+4] = convert(f[i]); - s16[6*i+5] = convert(f[i+1280]); - } - break; - } -} - -static int -channels_multi(int flags) -{ - switch(flags & (DTS_CHANNEL_MASK | DTS_LFE)){ - case DTS_CHANNEL: - case DTS_STEREO: - case DTS_DOLBY: - return 2; - case DTS_2F2R: - return 4; - case DTS_MONO: - case DTS_3F: - case DTS_3F2R: - return 5; - case DTS_MONO | DTS_LFE: - case DTS_CHANNEL | DTS_LFE: - case DTS_STEREO | DTS_LFE: - case DTS_DOLBY | DTS_LFE: - case DTS_3F | DTS_LFE: - case DTS_2F2R | DTS_LFE: - case DTS_3F2R | DTS_LFE: - return 6; - } - - return -1; -} - -static int -dts_decode_frame(AVCodecContext * avctx, void *data, int *data_size, - uint8_t * buff, int buff_size) -{ - DTSContext *s = avctx->priv_data; - uint8_t *start = buff; - uint8_t *end = buff + buff_size; - int16_t *out_samples = data; - int sample_rate; - int frame_length; - int flags; - int bit_rate; - int len; - level_t level; - sample_t bias; - int nblocks; - int i; - - *data_size = 0; - - while(1) { - int length; - - len = end - start; - if(!len) - break; - if(len > s->bufpos - s->bufptr) - len = s->bufpos - s->bufptr; - memcpy(s->bufptr, start, len); - s->bufptr += len; - start += len; - if(s->bufptr != s->bufpos) - return start - buff; - if(s->bufpos != s->buf + HEADER_SIZE) - break; - - length = dts_syncinfo(s->state, s->buf, &flags, &sample_rate, - &bit_rate, &frame_length); - if(!length) { - av_log(NULL, AV_LOG_INFO, "skip\n"); - for(s->bufptr = s->buf; s->bufptr < s->buf + HEADER_SIZE - 1; s->bufptr++) - s->bufptr[0] = s->bufptr[1]; - continue; - } - s->bufpos = s->buf + length; - } - - level = CONVERT_LEVEL; - bias = CONVERT_BIAS; - - flags |= DTS_ADJUST_LEVEL; - if(dts_frame(s->state, s->buf, &flags, &level, bias)) { - av_log(avctx, AV_LOG_ERROR, "dts_frame() failed\n"); - goto end; - } - - avctx->sample_rate = sample_rate; - avctx->channels = channels_multi(flags); - avctx->bit_rate = bit_rate; - - nblocks = dts_blocks_num(s->state); - - for(i = 0; i < nblocks; i++) { - if(dts_block(s->state)) { - av_log(avctx, AV_LOG_ERROR, "dts_block() failed\n"); - goto end; - } - - convert2s16_multi(dts_samples(s->state), out_samples, flags); - - out_samples += 256 * avctx->channels; - *data_size += 256 * sizeof(int16_t) * avctx->channels; - } - -end: - s->bufptr = s->buf; - s->bufpos = s->buf + HEADER_SIZE; - return start - buff; -} - -static int -dts_decode_init(AVCodecContext * avctx) -{ - DTSContext *s = avctx->priv_data; - s->bufptr = s->buf; - s->bufpos = s->buf + HEADER_SIZE; - s->state = dts_init(0); - if(s->state == NULL) - return -1; - - return 0; -} - -static int -dts_decode_end(AVCodecContext * avctx) -{ - DTSContext *s = avctx->priv_data; - dts_free(s->state); - return 0; -} - -AVCodec libdts_decoder = { - "libdts", - CODEC_TYPE_AUDIO, - CODEC_ID_DTS, - sizeof(DTSContext), - dts_decode_init, - NULL, - dts_decode_end, - dts_decode_frame, -}; -- cgit v1.2.3