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Diffstat (limited to 'contrib/ffmpeg/libavformat/flvenc.c')
-rw-r--r--contrib/ffmpeg/libavformat/flvenc.c336
1 files changed, 0 insertions, 336 deletions
diff --git a/contrib/ffmpeg/libavformat/flvenc.c b/contrib/ffmpeg/libavformat/flvenc.c
deleted file mode 100644
index ece585d77..000000000
--- a/contrib/ffmpeg/libavformat/flvenc.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * FLV muxer
- * Copyright (c) 2003 The FFmpeg Project.
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser 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 "avformat.h"
-#include "flv.h"
-#include "riff.h"
-
-#undef NDEBUG
-#include <assert.h>
-
-static const AVCodecTag flv_video_codec_ids[] = {
- {CODEC_ID_FLV1, FLV_CODECID_H263 },
- {CODEC_ID_FLASHSV, FLV_CODECID_SCREEN},
- {CODEC_ID_VP6F, FLV_CODECID_VP6 },
- {CODEC_ID_VP6, FLV_CODECID_VP6 },
- {CODEC_ID_NONE, 0}
-};
-
-static const AVCodecTag flv_audio_codec_ids[] = {
- {CODEC_ID_MP3, FLV_CODECID_MP3 >> FLV_AUDIO_CODECID_OFFSET},
- {CODEC_ID_PCM_S8, FLV_CODECID_PCM_BE >> FLV_AUDIO_CODECID_OFFSET},
- {CODEC_ID_PCM_S16BE, FLV_CODECID_PCM_BE >> FLV_AUDIO_CODECID_OFFSET},
- {CODEC_ID_PCM_S16LE, FLV_CODECID_PCM_LE >> FLV_AUDIO_CODECID_OFFSET},
- {CODEC_ID_ADPCM_SWF, FLV_CODECID_ADPCM >> FLV_AUDIO_CODECID_OFFSET},
- {CODEC_ID_NONE, 0}
-};
-
-typedef struct FLVContext {
- int hasAudio;
- int hasVideo;
- int reserved;
- offset_t duration_offset;
- offset_t filesize_offset;
- int64_t duration;
-} FLVContext;
-
-static int get_audio_flags(AVCodecContext *enc){
- int flags = (enc->bits_per_sample == 16) ? FLV_SAMPLESSIZE_16BIT : FLV_SAMPLESSIZE_8BIT;
-
- switch (enc->sample_rate) {
- case 44100:
- flags |= FLV_SAMPLERATE_44100HZ;
- break;
- case 22050:
- flags |= FLV_SAMPLERATE_22050HZ;
- break;
- case 11025:
- flags |= FLV_SAMPLERATE_11025HZ;
- break;
- case 8000: //nellymoser only
- case 5512: //not mp3
- flags |= FLV_SAMPLERATE_SPECIAL;
- break;
- default:
- av_log(enc, AV_LOG_ERROR, "flv doesnt support that sample rate, choose from (44100, 22050, 11025)\n");
- return -1;
- }
-
- if (enc->channels > 1) {
- flags |= FLV_STEREO;
- }
-
- switch(enc->codec_id){
- case CODEC_ID_MP3:
- flags |= FLV_CODECID_MP3 | FLV_SAMPLESSIZE_16BIT;
- break;
- case CODEC_ID_PCM_S8:
- flags |= FLV_CODECID_PCM_BE | FLV_SAMPLESSIZE_8BIT;
- break;
- case CODEC_ID_PCM_S16BE:
- flags |= FLV_CODECID_PCM_BE | FLV_SAMPLESSIZE_16BIT;
- break;
- case CODEC_ID_PCM_S16LE:
- flags |= FLV_CODECID_PCM_LE | FLV_SAMPLESSIZE_16BIT;
- break;
- case CODEC_ID_ADPCM_SWF:
- flags |= FLV_CODECID_ADPCM | FLV_SAMPLESSIZE_16BIT;
- break;
- case 0:
- flags |= enc->codec_tag<<4;
- break;
- default:
- av_log(enc, AV_LOG_ERROR, "codec not compatible with flv\n");
- return -1;
- }
-
- return flags;
-}
-
-static void put_amf_string(ByteIOContext *pb, const char *str)
-{
- size_t len = strlen(str);
- put_be16(pb, len);
- put_buffer(pb, str, len);
-}
-
-static void put_amf_double(ByteIOContext *pb, double d)
-{
- put_byte(pb, AMF_DATA_TYPE_NUMBER);
- put_be64(pb, av_dbl2int(d));
-}
-
-static void put_amf_bool(ByteIOContext *pb, int b) {
- put_byte(pb, AMF_DATA_TYPE_BOOL);
- put_byte(pb, !!b);
-}
-
-static int flv_write_header(AVFormatContext *s)
-{
- ByteIOContext *pb = &s->pb;
- FLVContext *flv = s->priv_data;
- int i, width, height, samplerate, samplesize, channels, audiocodecid, videocodecid;
- double framerate = 0.0;
- int metadata_size_pos, data_size;
-
- flv->hasAudio = 0;
- flv->hasVideo = 0;
-
- for(i=0; i<s->nb_streams; i++){
- AVCodecContext *enc = s->streams[i]->codec;
- if (enc->codec_type == CODEC_TYPE_VIDEO) {
- width = enc->width;
- height = enc->height;
- if (s->streams[i]->r_frame_rate.den && s->streams[i]->r_frame_rate.num) {
- framerate = av_q2d(s->streams[i]->r_frame_rate);
- } else {
- framerate = 1/av_q2d(s->streams[i]->codec->time_base);
- }
- flv->hasVideo=1;
-
- videocodecid = enc->codec_tag;
- if(videocodecid == 0) {
- av_log(enc, AV_LOG_ERROR, "video codec not compatible with flv\n");
- return -1;
- }
- } else {
- flv->hasAudio=1;
- samplerate = enc->sample_rate;
- channels = enc->channels;
-
- audiocodecid = enc->codec_tag;
- samplesize = (enc->codec_id == CODEC_ID_PCM_S8) ? 8 : 16;
-
- if(get_audio_flags(enc)<0)
- return -1;
- }
- av_set_pts_info(s->streams[i], 24, 1, 1000); /* 24 bit pts in ms */
- }
- put_tag(pb,"FLV");
- put_byte(pb,1);
- put_byte(pb, FLV_HEADER_FLAG_HASAUDIO * flv->hasAudio
- + FLV_HEADER_FLAG_HASVIDEO * flv->hasVideo);
- put_be32(pb,9);
- put_be32(pb,0);
-
- for(i=0; i<s->nb_streams; i++){
- if(s->streams[i]->codec->codec_tag == 5){
- put_byte(pb,8); // message type
- put_be24(pb,0); // include flags
- put_be24(pb,0); // time stamp
- put_be32(pb,0); // reserved
- put_be32(pb,11); // size
- flv->reserved=5;
- }
- }
-
- /* write meta_tag */
- put_byte(pb, 18); // tag type META
- metadata_size_pos= url_ftell(pb);
- put_be24(pb, 0); // size of data part (sum of all parts below)
- put_be24(pb, 0); // time stamp
- put_be32(pb, 0); // reserved
-
- /* now data of data_size size */
-
- /* first event name as a string */
- put_byte(pb, AMF_DATA_TYPE_STRING);
- put_amf_string(pb, "onMetaData"); // 12 bytes
-
- /* mixed array (hash) with size and string/type/data tuples */
- put_byte(pb, AMF_DATA_TYPE_MIXEDARRAY);
- put_be32(pb, 5*flv->hasVideo + 4*flv->hasAudio + 2); // +2 for duration and file size
-
- put_amf_string(pb, "duration");
- flv->duration_offset= url_ftell(pb);
- put_amf_double(pb, 0); // delayed write
-
- if(flv->hasVideo){
- put_amf_string(pb, "width");
- put_amf_double(pb, width);
-
- put_amf_string(pb, "height");
- put_amf_double(pb, height);
-
- put_amf_string(pb, "videodatarate");
- put_amf_double(pb, s->bit_rate / 1024.0);
-
- put_amf_string(pb, "framerate");
- put_amf_double(pb, framerate);
-
- put_amf_string(pb, "videocodecid");
- put_amf_double(pb, videocodecid);
- }
-
- if(flv->hasAudio){
- put_amf_string(pb, "audiosamplerate");
- put_amf_double(pb, samplerate);
-
- put_amf_string(pb, "audiosamplesize");
- put_amf_double(pb, samplesize);
-
- put_amf_string(pb, "stereo");
- put_amf_bool(pb, (channels == 2));
-
- put_amf_string(pb, "audiocodecid");
- put_amf_double(pb, audiocodecid);
- }
-
- put_amf_string(pb, "filesize");
- flv->filesize_offset= url_ftell(pb);
- put_amf_double(pb, 0); // delayed write
-
- put_amf_string(pb, "");
- put_byte(pb, AMF_END_OF_OBJECT);
-
- /* write total size of tag */
- data_size= url_ftell(pb) - metadata_size_pos - 10;
- url_fseek(pb, metadata_size_pos, SEEK_SET);
- put_be24(pb, data_size);
- url_fseek(pb, data_size + 10 - 3, SEEK_CUR);
- put_be32(pb, data_size + 11);
-
- return 0;
-}
-
-static int flv_write_trailer(AVFormatContext *s)
-{
- int64_t file_size;
-
- ByteIOContext *pb = &s->pb;
- FLVContext *flv = s->priv_data;
-
- file_size = url_ftell(pb);
-
- /* update informations */
- url_fseek(pb, flv->duration_offset, SEEK_SET);
- put_amf_double(pb, flv->duration / (double)1000);
- url_fseek(pb, flv->filesize_offset, SEEK_SET);
- put_amf_double(pb, file_size);
-
- url_fseek(pb, file_size, SEEK_SET);
- return 0;
-}
-
-static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
-{
- ByteIOContext *pb = &s->pb;
- AVCodecContext *enc = s->streams[pkt->stream_index]->codec;
- FLVContext *flv = s->priv_data;
- int size= pkt->size;
- int flags;
-
-// av_log(s, AV_LOG_DEBUG, "type:%d pts: %"PRId64" size:%d\n", enc->codec_type, timestamp, size);
-
- if (enc->codec_type == CODEC_TYPE_VIDEO) {
- put_byte(pb, FLV_TAG_TYPE_VIDEO);
-
- flags = enc->codec_tag;
- if(flags == 0) {
- av_log(enc, AV_LOG_ERROR, "video codec %X not compatible with flv\n",enc->codec_id);
- return -1;
- }
-
- flags |= pkt->flags & PKT_FLAG_KEY ? FLV_FRAME_KEY : FLV_FRAME_INTER;
- } else {
- assert(enc->codec_type == CODEC_TYPE_AUDIO);
- flags = get_audio_flags(enc);
-
- assert(size);
-
- put_byte(pb, FLV_TAG_TYPE_AUDIO);
- }
-
- if ((enc->codec_id == CODEC_ID_VP6) || (enc->codec_id == CODEC_ID_VP6F))
- put_be24(pb,size+2); // include the extra byte needed for VP6 in flv and flags
- else
- put_be24(pb,size+1); // include flags
- put_be24(pb,pkt->pts);
- put_be32(pb,flv->reserved);
- put_byte(pb,flags);
- if (enc->codec_id == CODEC_ID_VP6)
- put_byte(pb,0);
- if (enc->codec_id == CODEC_ID_VP6F)
- put_byte(pb, enc->extradata_size ? enc->extradata[0] : 0);
- put_buffer(pb, pkt->data, size);
- put_be32(pb,size+1+11); // previous tag size
- flv->duration = pkt->pts + pkt->duration;
-
- put_flush_packet(pb);
- return 0;
-}
-
-AVOutputFormat flv_muxer = {
- "flv",
- "flv format",
- "video/x-flv",
- "flv",
- sizeof(FLVContext),
-#ifdef CONFIG_LIBMP3LAME
- CODEC_ID_MP3,
-#else // CONFIG_LIBMP3LAME
- CODEC_ID_NONE,
-#endif // CONFIG_LIBMP3LAME
- CODEC_ID_FLV1,
- flv_write_header,
- flv_write_packet,
- flv_write_trailer,
- .codec_tag= (const AVCodecTag*[]){flv_video_codec_ids, flv_audio_codec_ids, 0},
-};
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