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-rw-r--r--libmpcodecs/ae_lavc.c244
1 files changed, 0 insertions, 244 deletions
diff --git a/libmpcodecs/ae_lavc.c b/libmpcodecs/ae_lavc.c
deleted file mode 100644
index 7c584daac3..0000000000
--- a/libmpcodecs/ae_lavc.c
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * This file is part of MPlayer.
- *
- * MPlayer 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.
- *
- * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <inttypes.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/types.h>
-#include "config.h"
-#include "m_option.h"
-#include "mp_msg.h"
-#include "libmpdemux/aviheader.h"
-#include "libmpdemux/ms_hdr.h"
-#include "stream/stream.h"
-#include "libmpdemux/muxer.h"
-#include "ae_lavc.h"
-#include "libaf/af_format.h"
-#include "libaf/reorder_ch.h"
-#include "libavcodec/avcodec.h"
-#include "ffmpeg_files/intreadwrite.h"
-
-static AVCodec *lavc_acodec;
-static AVCodecContext *lavc_actx;
-extern char *lavc_param_acodec;
-extern int lavc_param_abitrate;
-extern int lavc_param_atag;
-extern int lavc_param_audio_global_header;
-extern int avcodec_initialized;
-static int compressed_frame_size = 0;
-#include "libmpdemux/mp_taglists.h"
-
-static int bind_lavc(audio_encoder_t *encoder, muxer_stream_t *mux_a)
-{
- mux_a->wf = malloc(sizeof(WAVEFORMATEX)+lavc_actx->extradata_size+256);
- mux_a->wf->wFormatTag = lavc_param_atag;
- mux_a->wf->nChannels = lavc_actx->channels;
- mux_a->wf->nSamplesPerSec = lavc_actx->sample_rate;
- mux_a->wf->nAvgBytesPerSec = (lavc_actx->bit_rate / 8);
- mux_a->avg_rate= lavc_actx->bit_rate;
- mux_a->h.dwRate = mux_a->wf->nAvgBytesPerSec;
- if(lavc_actx->block_align)
- mux_a->h.dwSampleSize = mux_a->h.dwScale = lavc_actx->block_align;
- else
- {
- mux_a->h.dwScale = (mux_a->wf->nAvgBytesPerSec * lavc_actx->frame_size)/ mux_a->wf->nSamplesPerSec; /* for cbr */
-
- if ((mux_a->wf->nAvgBytesPerSec *
- lavc_actx->frame_size) % mux_a->wf->nSamplesPerSec)
- {
- mux_a->h.dwScale = lavc_actx->frame_size;
- mux_a->h.dwRate = lavc_actx->sample_rate;
- mux_a->h.dwSampleSize = 0; // Blocksize not constant
- }
- else
- mux_a->h.dwSampleSize = 0;
- }
- if(mux_a->h.dwSampleSize)
- mux_a->wf->nBlockAlign = mux_a->h.dwSampleSize;
- else
- mux_a->wf->nBlockAlign = 1;
- mux_a->h.dwSuggestedBufferSize = (encoder->params.audio_preload*mux_a->wf->nAvgBytesPerSec)/1000;
- mux_a->h.dwSuggestedBufferSize -= mux_a->h.dwSuggestedBufferSize % mux_a->wf->nBlockAlign;
-
- switch(lavc_param_atag)
- {
- case 0x11: /* imaadpcm */
- mux_a->wf->wBitsPerSample = 4;
- mux_a->wf->cbSize = 2;
- AV_WL16(mux_a->wf+1, lavc_actx->frame_size);
- break;
- case 0x55: /* mp3 */
- mux_a->wf->cbSize = 12;
- mux_a->wf->wBitsPerSample = 0; /* does not apply */
- ((MPEGLAYER3WAVEFORMAT *) (mux_a->wf))->wID = 1;
- ((MPEGLAYER3WAVEFORMAT *) (mux_a->wf))->fdwFlags = 2;
- ((MPEGLAYER3WAVEFORMAT *) (mux_a->wf))->nBlockSize = mux_a->wf->nBlockAlign;
- ((MPEGLAYER3WAVEFORMAT *) (mux_a->wf))->nFramesPerBlock = 1;
- ((MPEGLAYER3WAVEFORMAT *) (mux_a->wf))->nCodecDelay = 0;
- break;
- default:
- mux_a->wf->wBitsPerSample = 0; /* Unknown */
- if (lavc_actx->extradata && (lavc_actx->extradata_size > 0))
- {
- memcpy(mux_a->wf+1, lavc_actx->extradata, lavc_actx->extradata_size);
- mux_a->wf->cbSize = lavc_actx->extradata_size;
- }
- else
- mux_a->wf->cbSize = 0;
- break;
- }
-
- // Fix allocation
- mux_a->wf = realloc(mux_a->wf, sizeof(WAVEFORMATEX)+mux_a->wf->cbSize);
-
- encoder->input_format = AF_FORMAT_S16_NE;
- encoder->min_buffer_size = mux_a->h.dwSuggestedBufferSize;
- encoder->max_buffer_size = mux_a->h.dwSuggestedBufferSize*2;
-
- return 1;
-}
-
-static int encode_lavc(audio_encoder_t *encoder, uint8_t *dest, void *src, int size, int max_size)
-{
- int n;
- if ((encoder->params.channels == 6 || encoder->params.channels == 5) &&
- (!strcmp(lavc_acodec->name,"ac3") ||
- !strcmp(lavc_acodec->name,"libfaac"))) {
- int isac3 = !strcmp(lavc_acodec->name,"ac3");
- reorder_channel_nch(src, AF_CHANNEL_LAYOUT_MPLAYER_DEFAULT,
- isac3 ? AF_CHANNEL_LAYOUT_LAVC_DEFAULT
- : AF_CHANNEL_LAYOUT_AAC_DEFAULT,
- encoder->params.channels,
- size / 2, 2);
- }
- n = avcodec_encode_audio(lavc_actx, dest, size, src);
- compressed_frame_size = n;
- return n;
-}
-
-
-static int close_lavc(audio_encoder_t *encoder)
-{
- compressed_frame_size = 0;
- return 1;
-}
-
-static int get_frame_size(audio_encoder_t *encoder)
-{
- int sz = compressed_frame_size;
- compressed_frame_size = 0;
- return sz;
-}
-
-int mpae_init_lavc(audio_encoder_t *encoder)
-{
- encoder->params.samples_per_frame = encoder->params.sample_rate;
- encoder->params.bitrate = encoder->params.sample_rate * encoder->params.channels * 2 * 8;
-
- if(!lavc_param_acodec)
- {
- mp_tmsg(MSGT_MENCODER, MSGL_FATAL, "Audio LAVC, Missing codec name!\n");
- return 0;
- }
-
- if(!avcodec_initialized){
- avcodec_init();
- avcodec_register_all();
- avcodec_initialized=1;
- }
-
- lavc_acodec = avcodec_find_encoder_by_name(lavc_param_acodec);
- if (!lavc_acodec)
- {
- mp_tmsg(MSGT_MENCODER, MSGL_FATAL, "Audio LAVC, couldn't find encoder for codec %s.\n", lavc_param_acodec);
- return 0;
- }
- if(lavc_param_atag == 0)
- {
- lavc_param_atag = mp_av_codec_get_tag(mp_wav_taglists, lavc_acodec->id);
- if(!lavc_param_atag)
- {
- mp_msg(MSGT_MENCODER, MSGL_FATAL, "Couldn't find wav tag for specified codec, exit\n");
- return 0;
- }
- }
-
- lavc_actx = avcodec_alloc_context();
- if(lavc_actx == NULL)
- {
- mp_tmsg(MSGT_MENCODER, MSGL_FATAL, "Audio LAVC, couldn't allocate context!\n");
- return 0;
- }
-
- lavc_actx->codec_type = CODEC_TYPE_AUDIO;
- lavc_actx->codec_id = lavc_acodec->id;
- // put sample parameters
- lavc_actx->channels = encoder->params.channels;
- lavc_actx->sample_rate = encoder->params.sample_rate;
- lavc_actx->time_base.num = 1;
- lavc_actx->time_base.den = encoder->params.sample_rate;
- if(lavc_param_abitrate<1000)
- lavc_actx->bit_rate = encoder->params.bitrate = lavc_param_abitrate * 1000;
- else
- lavc_actx->bit_rate = encoder->params.bitrate = lavc_param_abitrate;
-
-
- /*
- * Special case for adpcm_ima_wav.
- * The bitrate is only dependent on samplerate.
- * We have to known frame_size and block_align in advance,
- * so I just copied the code from libavcodec/adpcm.c
- *
- * However, ms adpcm_ima_wav uses a block_align of 2048,
- * lavc defaults to 1024
- */
- if(lavc_param_atag == 0x11) {
- int blkalign = 2048;
- int framesize = (blkalign - 4 * lavc_actx->channels) * 8 / (4 * lavc_actx->channels) + 1;
- lavc_actx->bit_rate = lavc_actx->sample_rate*8*blkalign/framesize;
- }
- if((lavc_param_audio_global_header&1)
- /*|| (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))*/){
- lavc_actx->flags |= CODEC_FLAG_GLOBAL_HEADER;
- }
- if(lavc_param_audio_global_header&2){
- lavc_actx->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
- }
-
- if(avcodec_open(lavc_actx, lavc_acodec) < 0)
- {
- mp_tmsg(MSGT_MENCODER, MSGL_FATAL, "Couldn't open codec %s, br=%d.\n", lavc_param_acodec, lavc_param_abitrate);
- return 0;
- }
-
- if(lavc_param_atag == 0x11) {
- lavc_actx->block_align = 2048;
- lavc_actx->frame_size = (lavc_actx->block_align - 4 * lavc_actx->channels) * 8 / (4 * lavc_actx->channels) + 1;
- }
-
- encoder->decode_buffer_size = lavc_actx->frame_size * 2 * encoder->params.channels;
- while (encoder->decode_buffer_size < 1024) encoder->decode_buffer_size *= 2;
- encoder->bind = bind_lavc;
- encoder->get_frame_size = get_frame_size;
- encoder->encode = encode_lavc;
- encoder->close = close_lavc;
-
- return 1;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-20 05:45:35 +0000