/* * Container handling for all stream's handled by ffmpeg * konfetti 2010; based on code from crow * * * This program 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. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* ***************************** */ /* Includes */ /* ***************************** */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" #include "misc.h" #include "debug.h" #if 0 #include "aac.h" #endif #include "pcm.h" /* ***************************** */ /* Makros/Constants */ /* ***************************** */ #define FFMPEG_DEBUG #ifdef FFMPEG_DEBUG static short debug_level = 0; #define ffmpeg_printf(level, fmt, x...) do { \ if (debug_level >= level) printf("[%s:%s] " fmt, FILENAME, __FUNCTION__, ## x); } while (0) #else #define ffmpeg_printf(level, fmt, x...) #endif #ifndef FFMPEG_SILENT #define ffmpeg_err(fmt, x...) do { printf("[%s:%s] " fmt, FILENAME, __FUNCTION__, ## x); } while (0) #else #define ffmpeg_err(fmt, x...) #endif /* Error Constants */ #define cERR_CONTAINER_FFMPEG_NO_ERROR 0 #define cERR_CONTAINER_FFMPEG_INIT -1 #define cERR_CONTAINER_FFMPEG_NOT_SUPPORTED -2 #define cERR_CONTAINER_FFMPEG_INVALID_FILE -3 #define cERR_CONTAINER_FFMPEG_RUNNING -4 #define cERR_CONTAINER_FFMPEG_NOMEM -5 #define cERR_CONTAINER_FFMPEG_OPEN -6 #define cERR_CONTAINER_FFMPEG_STREAM -7 #define cERR_CONTAINER_FFMPEG_NULL -8 #define cERR_CONTAINER_FFMPEG_ERR -9 #define cERR_CONTAINER_FFMPEG_END_OF_FILE -10 static const char *FILENAME = "container_ffmpeg.c"; /* ***************************** */ /* Types */ /* ***************************** */ /* ***************************** */ /* Variables */ /* ***************************** */ static pthread_t PlayThread; static int hasPlayThreadStarted = 0; static AVFormatContext *avContext = NULL; static unsigned char isContainerRunning = 0; static float seek_sec_abs = -1.0, seek_sec_rel = 0.0; /* ***************************** */ /* Prototypes */ /* ***************************** */ /* ***************************** */ /* MISC Functions */ /* ***************************** */ static char *Codec2Encoding(AVCodecContext * codec, int *version) { fprintf(stderr, "Codec ID: %ld (%.8lx)\n", (long) codec->codec_id, (long) codec->codec_id); switch (codec->codec_id) { case AV_CODEC_ID_MPEG1VIDEO: case AV_CODEC_ID_MPEG2VIDEO: return "V_MPEG1"; case AV_CODEC_ID_H263: case AV_CODEC_ID_H263P: case AV_CODEC_ID_H263I: return "V_H263"; case AV_CODEC_ID_FLV1: return "V_FLV"; case AV_CODEC_ID_VP5: case AV_CODEC_ID_VP6: case AV_CODEC_ID_VP6F: return "V_VP6"; case AV_CODEC_ID_RV10: case AV_CODEC_ID_RV20: return "V_RMV"; case AV_CODEC_ID_MPEG4: case AV_CODEC_ID_MSMPEG4V1: case AV_CODEC_ID_MSMPEG4V2: case AV_CODEC_ID_MSMPEG4V3: return "V_MSCOMP"; case AV_CODEC_ID_WMV1: *version = 1; return "V_WMV"; case AV_CODEC_ID_WMV2: *version = 2; return "V_WMV"; case AV_CODEC_ID_WMV3: *version = 3; return "V_WMV"; case AV_CODEC_ID_VC1: return "V_VC1"; case AV_CODEC_ID_H264: return "V_MPEG4/ISO/AVC"; case AV_CODEC_ID_AVS: return "V_AVS"; case AV_CODEC_ID_MP2: return "A_MPEG/L3"; case AV_CODEC_ID_MP3: return "A_MP3"; case AV_CODEC_ID_AC3: return "A_AC3"; case AV_CODEC_ID_EAC3: return "A_EAC3"; case AV_CODEC_ID_DTS: return "A_DTS"; #if 0 case AV_CODEC_ID_AAC: return "A_AAC"; case AV_CODEC_ID_WMAV1: case AV_CODEC_ID_WMAV2: case AV_CODEC_ID_WMAPRO: return "A_WMA"; case AV_CODEC_ID_MLP: return "A_MLP"; case AV_CODEC_ID_RA_144: return "A_RMA"; case AV_CODEC_ID_RA_288: return "A_RMA"; case AV_CODEC_ID_VORBIS: return "A_VORBIS"; case AV_CODEC_ID_FLAC: return return "A_FLAC"; case AV_CODEC_ID_PCM_S16LE: return "A_PCM"; #endif /* subtitle */ case AV_CODEC_ID_SSA: return "S_TEXT/ASS"; /* Hellmaster1024: seems to be ASS instead of SSA */ case AV_CODEC_ID_TEXT: /* Hellmaster1024: i dont have most of this, but lets hope it is normal text :-) */ case AV_CODEC_ID_DVD_SUBTITLE: case AV_CODEC_ID_DVB_SUBTITLE: case AV_CODEC_ID_XSUB: case AV_CODEC_ID_MOV_TEXT: case AV_CODEC_ID_HDMV_PGS_SUBTITLE: case AV_CODEC_ID_DVB_TELETEXT: case AV_CODEC_ID_SRT: return "S_TEXT/SRT"; /* fixme */ default: // Default to injected-pcm for unhandled audio types. if (codec->codec_type == AVMEDIA_TYPE_AUDIO) return "A_IPCM"; ffmpeg_err("Codec ID %ld (%.8lx) not found\n", (long) codec->codec_id, (long) codec->codec_id); } return NULL; } long long int calcPts(AVStream * stream, int64_t pts) { if (!stream) { ffmpeg_err("stream / packet null\n"); return INVALID_PTS_VALUE; } if (pts == AV_NOPTS_VALUE) pts = INVALID_PTS_VALUE; else if (avContext->start_time == AV_NOPTS_VALUE) pts = 90000.0 * (double) pts * av_q2d(stream->time_base); else pts = 90000.0 * (double) pts * av_q2d(stream->time_base) - 90000.0 * avContext->start_time / AV_TIME_BASE; if (pts & 0x8000000000000000ull) pts = INVALID_PTS_VALUE; return pts; } /* **************************** */ /* Worker Thread */ /* **************************** */ // from neutrino-mp/lib/libdvbsubtitle/dvbsub.cpp extern void dvbsub_write(AVSubtitle *, int64_t); extern void dvbsub_ass_write(AVCodecContext *c, AVSubtitle *sub, int pid); extern void dvbsub_ass_clear(void); // from neutrino-mp/lib/lib/libtuxtxt/tuxtxt_common.h extern void teletext_write(int pid, uint8_t *data, int size); static void FFMPEGThread(Context_t * context) { char threadname[17]; strncpy(threadname, __func__, sizeof(threadname)); threadname[16] = 0; prctl(PR_SET_NAME, (unsigned long) &threadname); hasPlayThreadStarted = 1; int64_t currentVideoPts = -1, currentAudioPts = -1, showtime = 0, bofcount = 0; AudioVideoOut_t avOut; SwrContext *swr = NULL; AVFrame *decoded_frame = NULL; int out_sample_rate = 44100; int out_channels = 2; uint64_t out_channel_layout = AV_CH_LAYOUT_STEREO; int restart_audio_resampling = 0; ffmpeg_printf(10, "\n"); while (context->playback->isCreationPhase) { ffmpeg_err("Thread waiting for end of init phase...\n"); usleep(1000); } ffmpeg_printf(10, "Running!\n"); while (context && context->playback && context->playback->isPlaying && !context->playback->abortRequested) { //IF MOVIE IS PAUSED, WAIT if (context->playback->isPaused) { ffmpeg_printf(20, "paused\n"); usleep(100000); continue; } int seek_target_flag = 0; int64_t seek_target = INT64_MIN; if (seek_sec_rel != 0.0) { if (avContext->iformat->flags & AVFMT_TS_DISCONT) { float br = (avContext->bit_rate) ? avContext->bit_rate / 8.0 : 180000.0; seek_target_flag = AVSEEK_FLAG_BYTE; seek_target = avio_tell(avContext->pb) + seek_sec_rel * br; } else { seek_target = ((((currentVideoPts > 0) ? currentVideoPts : currentAudioPts) / 90000.0) + seek_sec_rel) * AV_TIME_BASE; } seek_sec_rel = 0.0; } else if (seek_sec_abs >= 0.0) { if (avContext->iformat->flags & AVFMT_TS_DISCONT) { float br = (avContext->bit_rate) ? avContext->bit_rate / 8.0 : 180000.0; seek_target_flag = AVSEEK_FLAG_BYTE; seek_target = seek_sec_abs * br; } else { seek_target = seek_sec_abs * AV_TIME_BASE; } seek_sec_abs = -1.0; } else if (context->playback->BackWard && av_gettime() >= showtime) { context->output->Command(context, OUTPUT_CLEAR, "video"); if (bofcount == 1) { showtime = av_gettime(); usleep(100000); continue; } if (avContext->iformat->flags & AVFMT_TS_DISCONT) { off_t pos = avio_tell(avContext->pb); if (pos > 0) { float br; if (avContext->bit_rate) br = avContext->bit_rate / 8.0; else br = 180000.0; seek_target = pos + context->playback->Speed * 8 * br; seek_target_flag = AVSEEK_FLAG_BYTE; } } else { seek_target = ((((currentVideoPts > 0) ? currentVideoPts : currentAudioPts) / 90000.0) + context->playback->Speed * 8) * AV_TIME_BASE;; } showtime = av_gettime() + 300000; //jump back every 300ms } else { bofcount = 0; } if (seek_target > INT64_MIN) { int res; if (seek_target < 0) seek_target = 0; res = avformat_seek_file(avContext, -1, INT64_MIN, seek_target, INT64_MAX, seek_target_flag); if (res < 0 && context->playback->BackWard) bofcount = 1; seek_target = INT64_MIN; restart_audio_resampling = 1; // flush streams unsigned int i; for (i = 0; i < avContext->nb_streams; i++) if (avContext->streams[i]->codec && avContext->streams[i]->codec->codec) avcodec_flush_buffers(avContext->streams[i]->codec); } AVPacket packet; av_init_packet(&packet); int av_res = av_read_frame(avContext, &packet); if (av_res == AVERROR(EAGAIN)) { av_free_packet(&packet); continue; } if (av_res) { // av_read_frame failed ffmpeg_err("no data ->end of file reached ?\n"); av_free_packet(&packet); break; // while } long long int pts; uint8_t *packet_data = packet.data; int packet_size = packet.size; Track_t *videoTrack = NULL; Track_t *audioTrack = NULL; Track_t *subtitleTrack = NULL; Track_t *teletextTrack = NULL; context->playback->readCount += packet_size; int pid = avContext->streams[packet.stream_index]->id; if (context->manager->video->Command(context, MANAGER_GET_TRACK, &videoTrack) < 0) ffmpeg_err("error getting video track\n"); if (context->manager->audio->Command(context, MANAGER_GET_TRACK, &audioTrack) < 0) ffmpeg_err("error getting audio track\n"); if (context->manager->subtitle->Command(context, MANAGER_GET_TRACK, &subtitleTrack) < 0) ffmpeg_err("error getting subtitle track\n"); if (context->manager->teletext->Command(context, MANAGER_GET_TRACK, &teletextTrack) < 0) ffmpeg_err("error getting teletext track\n"); ffmpeg_printf(200, "packet_size %d - index %d\n", packet_size, pid); if (videoTrack && (videoTrack->Id == pid)) { currentVideoPts = videoTrack->pts = pts = calcPts(videoTrack->stream, packet.pts); ffmpeg_printf(200, "VideoTrack index = %d %lld\n", pid, currentVideoPts); avOut.data = packet_data; avOut.len = packet_size; avOut.pts = pts; avOut.extradata = videoTrack->extraData; avOut.extralen = videoTrack->extraSize; avOut.frameRate = videoTrack->frame_rate; avOut.timeScale = videoTrack->TimeScale; avOut.width = videoTrack->width; avOut.height = videoTrack->height; avOut.type = "video"; avOut.stream = videoTrack->stream; avOut.avfc = avContext; if (context->output->video->Write(context, &avOut) < 0) { ffmpeg_err("writing data to video device failed\n"); } } else if (audioTrack && (audioTrack->Id == pid)) { if (!context->playback->BackWard) { currentAudioPts = audioTrack->pts = pts = calcPts(audioTrack->stream, packet.pts); ffmpeg_printf(200, "AudioTrack index = %d\n", pid); if (audioTrack->inject_raw_pcm == 1) { ffmpeg_printf(200, "write audio raw pcm\n"); pcmPrivateData_t extradata; extradata.uNoOfChannels = ((AVStream *) audioTrack->stream)->codec->channels; extradata.uSampleRate = ((AVStream *) audioTrack->stream)->codec->sample_rate; extradata.uBitsPerSample = 16; extradata.bLittleEndian = 1; avOut.data = packet_data; avOut.len = packet_size; avOut.pts = pts; avOut.extradata = (unsigned char *) &extradata; avOut.extralen = sizeof(extradata); avOut.frameRate = 0; avOut.timeScale = 0; avOut.width = 0; avOut.height = 0; avOut.type = "audio"; avOut.stream = audioTrack->stream; avOut.avfc = avContext; if (context->output->audio->Write(context, &avOut) < 0) ffmpeg_err("(raw pcm) writing data to audio device failed\n"); } else if (audioTrack->inject_as_pcm == 1) { AVCodecContext *c = ((AVStream *) (audioTrack->stream))->codec; if (restart_audio_resampling) { restart_audio_resampling = 0; if (swr) { swr_free(&swr); swr = NULL; } if (decoded_frame) { av_frame_free(&decoded_frame); decoded_frame = NULL; } context->output->Command(context, OUTPUT_CLEAR, NULL); context->output->Command(context, OUTPUT_PLAY, NULL); AVCodec *codec = avcodec_find_decoder(c->codec_id); if (!codec || avcodec_open2(c, codec, NULL)) fprintf(stderr, "%s %d: avcodec_open2 failed\n", __func__, __LINE__); } while (packet_size > 0) { int got_frame = 0; if (!decoded_frame) { if (!(decoded_frame = av_frame_alloc())) { fprintf(stderr, "out of memory\n"); exit(1); } } else av_frame_unref(decoded_frame); int len = avcodec_decode_audio4(c, decoded_frame, &got_frame, &packet); if (len < 0) { restart_audio_resampling = 1; break; } packet_data += len; packet_size -= len; if (!got_frame) continue; int e; if (!swr) { int rates[] = { 48000, 96000, 192000, 44100, 88200, 176400, 0 }; int *rate = rates; int in_rate = c->sample_rate; while (*rate && ((*rate / in_rate) * in_rate != *rate) && (in_rate / *rate) * *rate != in_rate) rate++; out_sample_rate = *rate ? *rate : 44100; swr = swr_alloc(); out_channels = c->channels; if (c->channel_layout == 0) { // FIXME -- need to guess, looks pretty much like a bug in the FFMPEG WMA decoder c->channel_layout = AV_CH_LAYOUT_STEREO; } out_channel_layout = c->channel_layout; // player2 won't play mono if (out_channel_layout == AV_CH_LAYOUT_MONO) { out_channel_layout = AV_CH_LAYOUT_STEREO; out_channels = 2; } av_opt_set_int(swr, "in_channel_layout", c->channel_layout, 0); av_opt_set_int(swr, "out_channel_layout", out_channel_layout, 0); av_opt_set_int(swr, "in_sample_rate", c->sample_rate, 0); av_opt_set_int(swr, "out_sample_rate", out_sample_rate, 0); av_opt_set_int(swr, "in_sample_fmt", c->sample_fmt, 0); av_opt_set_int(swr, "out_sample_fmt", AV_SAMPLE_FMT_S16, 0); e = swr_init(swr); if (e < 0) { fprintf(stderr, "swr_init: %d (icl=%d ocl=%d isr=%d osr=%d isf=%d osf=%d\n", -e, (int) c->channel_layout, (int) out_channel_layout, c->sample_rate, out_sample_rate, c->sample_fmt, AV_SAMPLE_FMT_S16); swr_free(&swr); swr = NULL; } } uint8_t *output = NULL; int in_samples = decoded_frame->nb_samples; int out_samples = av_rescale_rnd(swr_get_delay(swr, c->sample_rate) + in_samples, out_sample_rate, c->sample_rate, AV_ROUND_UP); e = av_samples_alloc(&output, NULL, out_channels, out_samples, AV_SAMPLE_FMT_S16, 1); if (e < 0) { fprintf(stderr, "av_samples_alloc: %d\n", -e); continue; } // FIXME. PTS calculation is probably broken. int64_t next_in_pts = av_rescale(av_frame_get_best_effort_timestamp(decoded_frame), ((AVStream *) audioTrack->stream)->time_base.num * (int64_t) out_sample_rate * c->sample_rate, ((AVStream *) audioTrack->stream)->time_base.den); int64_t next_out_pts = av_rescale(swr_next_pts(swr, next_in_pts), ((AVStream *) audioTrack->stream)->time_base.den, ((AVStream *) audioTrack->stream)->time_base.num * (int64_t) out_sample_rate * c->sample_rate); currentAudioPts = audioTrack->pts = pts = calcPts(audioTrack->stream, next_out_pts); out_samples = swr_convert(swr, &output, out_samples, (const uint8_t **) &decoded_frame->data[0], in_samples); pcmPrivateData_t extradata; extradata.uSampleRate = out_sample_rate; extradata.uNoOfChannels = av_get_channel_layout_nb_channels(out_channel_layout); extradata.uBitsPerSample = 16; extradata.bLittleEndian = 1; avOut.data = output; avOut.len = out_samples * sizeof(short) * out_channels; avOut.pts = videoTrack ? pts : 0; avOut.extradata = (unsigned char *) &extradata; avOut.extralen = sizeof(extradata); avOut.frameRate = 0; avOut.timeScale = 0; avOut.width = 0; avOut.height = 0; avOut.type = "audio"; avOut.stream = audioTrack->stream; avOut.avfc = avContext; if (context->output->audio->Write(context, &avOut) < 0) ffmpeg_err("writing data to audio device failed\n"); av_freep(&output); } #if 0 } else if (audioTrack->have_aacheader == 1) { ffmpeg_printf(200, "write audio aac\n"); avOut.data = packet_data; avOut.len = packet_size; avOut.pts = pts; avOut.extradata = audioTrack->aacbuf; avOut.extralen = audioTrack->aacbuflen; avOut.frameRate = 0; avOut.timeScale = 0; avOut.width = 0; avOut.height = 0; avOut.type = "audio"; avOut.stream = audioTrack->stream; avOut.avfc = avContext; if (context->output->audio->Write(context, &avOut) < 0) ffmpeg_err("(aac) writing data to audio device failed\n"); #endif } else { avOut.data = packet_data; avOut.len = packet_size; avOut.pts = pts; avOut.extradata = NULL; avOut.extralen = 0; avOut.frameRate = 0; avOut.timeScale = 0; avOut.width = 0; avOut.height = 0; avOut.type = "audio"; avOut.stream = audioTrack->stream; avOut.avfc = avContext; if (context->output->audio->Write(context, &avOut) < 0) ffmpeg_err("writing data to audio device failed\n"); } } } else if (subtitleTrack && (subtitleTrack->Id == pid)) { float duration = 3.0; ffmpeg_printf(100, "subtitleTrack->stream %p \n", subtitleTrack->stream); pts = calcPts(subtitleTrack->stream, packet.pts); if (duration > 0.0) { /* is there a decoder ? */ if (((AVStream *) subtitleTrack->stream)->codec->codec) { AVSubtitle sub; memset(&sub, 0, sizeof(sub)); int got_sub_ptr; if (avcodec_decode_subtitle2(((AVStream *) subtitleTrack->stream)->codec, &sub, &got_sub_ptr, &packet) < 0) { ffmpeg_err("error decoding subtitle\n"); } if (got_sub_ptr && sub.num_rects > 0) { switch (sub.rects[0]->type) { case SUBTITLE_TEXT: // FIXME? case SUBTITLE_ASS: dvbsub_ass_write(((AVStream *) subtitleTrack->stream)->codec, &sub, pid); break; case SUBTITLE_BITMAP: ffmpeg_printf(0, "bitmap\n"); dvbsub_write(&sub, pts); // avsubtitle_free() will be called by handler break; default: break; } } } } /* duration */ } else if (teletextTrack && (teletextTrack->Id == pid)) { teletext_write(pid, packet_data, packet_size); } av_free_packet(&packet); } /* while */ if (context && context->playback && context->output && context->playback->abortRequested) context->output->Command(context, OUTPUT_CLEAR, NULL); dvbsub_ass_clear(); if (swr) swr_free(&swr); if (decoded_frame) av_frame_free(&decoded_frame); if (context->playback) context->playback->abortPlayback = 1; hasPlayThreadStarted = 0; ffmpeg_printf(10, "terminating\n"); } /* **************************** */ /* Container part for ffmpeg */ /* **************************** */ static int terminating = 0; static int interrupt_cb(void *ctx) { PlaybackHandler_t *p = (PlaybackHandler_t *) ctx; return p->abortPlayback | p->abortRequested; } static void log_callback(void *ptr __attribute__ ((unused)), int lvl __attribute__ ((unused)), const char *format, va_list ap) { if (debug_level > 10) vfprintf(stderr, format, ap); } static void container_ffmpeg_read_subtitle(Context_t * context, const char *filename, const char *format, int pid) { char *lastDot = strrchr(filename, '.'); if (!lastDot) return; char *subfile = alloca(strlen(filename) + strlen(format)); strcpy(subfile, filename); strcpy(subfile + (lastDot + 1 - filename), format); AVFormatContext *avfc = avformat_alloc_context(); if (avformat_open_input(&avfc, subfile, av_find_input_format(format), 0)) { avformat_free_context(avfc); return; } avformat_find_stream_info(avfc, NULL); if (avfc->nb_streams != 1) { avformat_free_context(avfc); return; } AVCodecContext *c = avfc->streams[0]->codec; AVCodec *codec = avcodec_find_decoder(c->codec_id); if (!codec) { avformat_free_context(avfc); return; } // fprintf(stderr, "codec=%s\n", avcodec_get_name(c->codec_id)); if (avcodec_open2(c, codec, NULL) < 0) { fprintf(stderr, "%s %d: avcodec_open\n", __FILE__, __LINE__); avformat_free_context(avfc); return; } AVPacket avpkt; av_init_packet(&avpkt); #if 0 // FIXME, use custom values if (c->subtitle_header && !strcmp(format, "srt")) { av_freep(&c->subtitle_header); #define ASS_DEFAULT_FONT "Arial" #define ASS_DEFAULT_FONT_SIZE 16 #define ASS_DEFAULT_COLOR 0xffffff ff_ass_subtitle_header(c, ASS_DEFAULT_FONT, ASS_DEFAULT_FONT_SIZE, ASS_DEFAULT_COLOR, 0, 0, 0, 0, 2); } #endif if (c->subtitle_header) fprintf(stderr, "%s\n", c->subtitle_header); while (av_read_frame(avfc, &avpkt) > -1) { AVSubtitle sub; memset(&sub, 0, sizeof(sub)); int got_sub = 0; avcodec_decode_subtitle2(c, &sub, &got_sub, &avpkt); if (got_sub) dvbsub_ass_write(c, &sub, pid); av_free_packet(&avpkt); } avformat_close_input(&avfc); avformat_free_context(avfc); Track_t track; memset(&track, 0, sizeof(track)); track.Name = (char *) format; track.is_static = 1; track.Id = pid; track.Encoding = strcmp(format, "srt") ? "S_TEXT/ASS" : "S_TEXT/SRT"; context->manager->subtitle->Command(context, MANAGER_ADD, &track); } static void container_ffmpeg_read_subtitles(Context_t * context, const char *filename) { if (strncmp(filename, "file://", 7)) return; filename += 7; container_ffmpeg_read_subtitle(context, filename, "srt", 0xFFFF); container_ffmpeg_read_subtitle(context, filename, "ass", 0xFFFE); container_ffmpeg_read_subtitle(context, filename, "ssa", 0xFFFD); } int container_ffmpeg_init(Context_t * context, char *filename) { int err; ffmpeg_printf(10, ">\n"); av_log_set_callback(log_callback); if (filename == NULL) { ffmpeg_err("filename NULL\n"); return cERR_CONTAINER_FFMPEG_NULL; } if (context == NULL) { ffmpeg_err("context NULL\n"); return cERR_CONTAINER_FFMPEG_NULL; } ffmpeg_printf(10, "filename %s\n", filename); if (isContainerRunning) { ffmpeg_err("ups already running?\n"); return cERR_CONTAINER_FFMPEG_RUNNING; } isContainerRunning = 1; /* initialize ffmpeg */ avcodec_register_all(); av_register_all(); avformat_network_init(); context->playback->abortRequested = 0; context->playback->abortPlayback = 0; avContext = avformat_alloc_context(); avContext->interrupt_callback.callback = interrupt_cb; avContext->interrupt_callback.opaque = context->playback; if ((err = avformat_open_input(&avContext, filename, NULL, 0)) != 0) { char error[512]; ffmpeg_err("avformat_open_input failed %d (%s)\n", err, filename); av_strerror(err, error, 512); ffmpeg_err("Cause: %s\n", error); isContainerRunning = 0; return cERR_CONTAINER_FFMPEG_OPEN; } avContext->iformat->flags |= AVFMT_SEEK_TO_PTS; avContext->flags = AVFMT_FLAG_GENPTS; if (context->playback->noprobe) { ffmpeg_printf(5, "noprobe\n"); avContext->max_analyze_duration = 1; avContext->probesize = 8192; } ffmpeg_printf(20, "find_streaminfo\n"); if (avformat_find_stream_info(avContext, NULL) < 0) { ffmpeg_err("Error avformat_find_stream_info\n"); #ifdef this_is_ok /* crow reports that sometimes this returns an error * but the file is played back well. so remove this * until other works are done and we can prove this. */ avformat_close_input(&avContext); isContainerRunning = 0; return cERR_CONTAINER_FFMPEG_STREAM; #endif } terminating = 0; int res = container_ffmpeg_update_tracks(context, filename); unsigned int n, found_av = 0; for (n = 0; n < avContext->nb_streams; n++) { AVStream *stream = avContext->streams[n]; switch (stream->codec->codec_type) { case AVMEDIA_TYPE_AUDIO: case AVMEDIA_TYPE_VIDEO: found_av = 1; default: break; } } if (!found_av) { avformat_close_input(&avContext); isContainerRunning = 0; return cERR_CONTAINER_FFMPEG_STREAM; } container_ffmpeg_read_subtitles(context, filename); return res; } int container_ffmpeg_update_tracks(Context_t * context, char *filename) { if (terminating) return cERR_CONTAINER_FFMPEG_NO_ERROR; if (context->manager->chapter) { unsigned int i; context->manager->video->Command(context, MANAGER_INIT_UPDATE, NULL); for (i = 0; i < avContext->nb_chapters; i++) { Track_t track; memset(&track, 0, sizeof(track)); track.Id = i; AVDictionaryEntry *title; AVChapter *ch = avContext->chapters[i]; title = av_dict_get(ch->metadata, "title", NULL, 0); track.Name = strdup(title ? title->value : "und"); ffmpeg_printf(10, "Chapter %s\n", track.Name); track.chapter_start = (double) ch->start * av_q2d(ch->time_base) * 1000.0; track.chapter_end = (double) ch->end * av_q2d(ch->time_base) * 1000.0; context->manager->chapter->Command(context, MANAGER_ADD, &track); } } if (context->manager->video) context->manager->video->Command(context, MANAGER_INIT_UPDATE, NULL); if (context->manager->audio) context->manager->audio->Command(context, MANAGER_INIT_UPDATE, NULL); if (context->manager->subtitle) context->manager->subtitle->Command(context, MANAGER_INIT_UPDATE, NULL); if (context->manager->teletext) context->manager->teletext->Command(context, MANAGER_INIT_UPDATE, NULL); ffmpeg_printf(20, "dump format\n"); av_dump_format(avContext, 0, filename, 0); ffmpeg_printf(1, "number streams %d\n", avContext->nb_streams); unsigned int n; for (n = 0; n < avContext->nb_streams; n++) { Track_t track; AVStream *stream = avContext->streams[n]; int version = 0; char *encoding = Codec2Encoding(stream->codec, &version); if (encoding != NULL) ffmpeg_printf(1, "%d. encoding = %s - version %d\n", n, encoding, version); if (!stream->id) stream->id = n; /* some values in track are unset and therefor copyTrack segfaults. * so set it by default to NULL! */ memset(&track, 0, sizeof(track)); track.avfc = avContext; track.stream = stream; switch (stream->codec->codec_type) { case AVMEDIA_TYPE_VIDEO: ffmpeg_printf(10, "CODEC_TYPE_VIDEO %d\n", stream->codec->codec_type); if (encoding != NULL) { track.type = eTypeES; track.version = version; track.width = stream->codec->width; track.height = stream->codec->height; track.extraData = stream->codec->extradata; track.extraSize = stream->codec->extradata_size; track.frame_rate = stream->r_frame_rate.num; #if 0 track.aacbuf = 0; track.have_aacheader = -1; #endif double frame_rate = av_q2d(stream->r_frame_rate); /* rational to double */ ffmpeg_printf(10, "frame_rate = %f\n", frame_rate); track.frame_rate = frame_rate * 1000.0; /* fixme: revise this */ if (track.frame_rate < 23970) track.TimeScale = 1001; else track.TimeScale = 1000; ffmpeg_printf(20, "bit_rate = %d\n", stream->codec->bit_rate); ffmpeg_printf(20, "flags = %d\n", stream->codec->flags); ffmpeg_printf(20, "frame_bits = %d\n", stream->codec->frame_bits); ffmpeg_printf(20, "time_base.den %d\n", stream->time_base.den); ffmpeg_printf(20, "time_base.num %d\n", stream->time_base.num); ffmpeg_printf(20, "frame_rate %d\n", stream->r_frame_rate.num); ffmpeg_printf(20, "TimeScale %d\n", stream->r_frame_rate.den); ffmpeg_printf(20, "frame_rate %d\n", track.frame_rate); ffmpeg_printf(20, "TimeScale %d\n", track.TimeScale); track.Name = "und"; track.Encoding = encoding; track.avfc = avContext; track.Id = stream->id; if (stream->duration == AV_NOPTS_VALUE) { ffmpeg_printf(10, "Stream has no duration so we take the duration from context\n"); track.duration = (double) avContext->duration / 1000.0; } else { track.duration = (double) stream->duration * av_q2d(stream->time_base) * 1000.0; } if (context->manager->video) if (context->manager->video->Command(context, MANAGER_ADD, &track) < 0) { /* konfetti: fixme: is this a reason to return with error? */ ffmpeg_err("failed to add track %d\n", n); } } else { ffmpeg_err("codec type video but codec unknown %d\n", stream->codec->codec_id); } break; case AVMEDIA_TYPE_AUDIO: ffmpeg_printf(10, "CODEC_TYPE_AUDIO %d\n", stream->codec->codec_type); if (encoding != NULL) { AVDictionaryEntry *lang; track.type = eTypeES; lang = av_dict_get(stream->metadata, "language", NULL, 0); track.Name = lang ? lang->value : "und"; ffmpeg_printf(10, "Language %s\n", track.Name); track.Encoding = encoding; track.Id = stream->id; track.duration = (double) stream->duration * av_q2d(stream->time_base) * 1000.0; #if 0 track.aacbuf = 0; track.have_aacheader = -1; #endif if (stream->duration == AV_NOPTS_VALUE) { ffmpeg_printf(10, "Stream has no duration so we take the duration from context\n"); track.duration = (double) avContext->duration / 1000.0; } else { track.duration = (double) stream->duration * av_q2d(stream->time_base) * 1000.0; } if (!strncmp(encoding, "A_IPCM", 6)) { track.inject_as_pcm = 1; ffmpeg_printf(10, " Handle inject_as_pcm = %d\n", track.inject_as_pcm); } #if 0 else if (stream->codec->codec_id == AV_CODEC_ID_AAC) { ffmpeg_printf(10, "Create AAC ExtraData\n"); ffmpeg_printf(10, "stream->codec->extradata_size %d\n", stream->codec->extradata_size); Hexdump(stream->codec->extradata, stream->codec->extradata_size); /* extradata 13 10 56 e5 9d 48 00 (anderen cops) object_type: 00010 2 = LC sample_rate: 011 0 6 = 24000 chan_config: 0010 2 = Stereo 000 0 1010110 111 = 0x2b7 00101 = SBR 1 0011 = 48000 101 01001000 = 0x548 ps = 0 0000000 */ unsigned int object_type = 2; // LC unsigned int sample_index = aac_get_sample_rate_index(stream->codec->sample_rate); unsigned int chan_config = stream->codec->channels; if (stream->codec->extradata_size >= 2) { object_type = stream->codec->extradata[0] >> 3; sample_index = ((stream->codec->extradata[0] & 0x7) << 1) + (stream->codec->extradata[1] >> 7); chan_config = (stream->codec->extradata[1] >> 3) && 0xf; } ffmpeg_printf(10, "aac object_type %d\n", object_type); ffmpeg_printf(10, "aac sample_index %d\n", sample_index); ffmpeg_printf(10, "aac chan_config %d\n", chan_config); object_type -= 1; // Cause of ADTS track.aacbuflen = AAC_HEADER_LENGTH; track.aacbuf = malloc(8); track.aacbuf[0] = 0xFF; track.aacbuf[1] = 0xF1; track.aacbuf[2] = ((object_type & 0x03) << 6) | (sample_index << 2) | ((chan_config >> 2) & 0x01); track.aacbuf[3] = (chan_config & 0x03) << 6; track.aacbuf[4] = 0x00; track.aacbuf[5] = 0x1F; track.aacbuf[6] = 0xFC; printf("AAC_HEADER -> "); Hexdump(track.aacbuf, 7); track.have_aacheader = 1; } else if (stream->codec->codec_id == AV_CODEC_ID_WMAV1 || stream->codec->codec_id == AV_CODEC_ID_WMAV2 || stream->codec->codec_id == AV_CODEC_ID_WMAPRO) //if (stream->codec->extradata_size > 0) { ffmpeg_printf(10, "Create WMA ExtraData\n"); track.aacbuflen = 104 + stream->codec->extradata_size; track.aacbuf = malloc(track.aacbuflen); memset(track.aacbuf, 0, track.aacbuflen); unsigned char ASF_Stream_Properties_Object[16] = { 0x91, 0x07, 0xDC, 0xB7, 0xB7, 0xA9, 0xCF, 0x11, 0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65 }; memcpy(track.aacbuf + 0, ASF_Stream_Properties_Object, 16); // ASF_Stream_Properties_Object memcpy(track.aacbuf + 16, &track.aacbuflen, 4); //FrameDateLength unsigned int sizehi = 0; memcpy(track.aacbuf + 20, &sizehi, 4); // sizehi (not used) unsigned char ASF_Audio_Media[16] = { 0x40, 0x9E, 0x69, 0xF8, 0x4D, 0x5B, 0xCF, 0x11, 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }; memcpy(track.aacbuf + 24, ASF_Audio_Media, 16); //ASF_Audio_Media unsigned char ASF_Audio_Spread[16] = { 0x50, 0xCD, 0xC3, 0xBF, 0x8F, 0x61, 0xCF, 0x11, 0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20 }; memcpy(track.aacbuf + 40, ASF_Audio_Spread, 16); //ASF_Audio_Spread memset(track.aacbuf + 56, 0, 4); // time_offset (not used) memset(track.aacbuf + 60, 0, 4); // time_offset_hi (not used) unsigned int type_specific_data_length = 18 + stream->codec->extradata_size; memcpy(track.aacbuf + 64, &type_specific_data_length, 4); //type_specific_data_length unsigned int error_correction_data_length = 8; memcpy(track.aacbuf + 68, &error_correction_data_length, 4); //error_correction_data_length unsigned short flags = 1; // stream_number memcpy(track.aacbuf + 72, &flags, 2); //flags unsigned int reserved = 0; memcpy(track.aacbuf + 74, &reserved, 4); // reserved // type_specific_data #define WMA_VERSION_1 0x160 #define WMA_VERSION_2_9 0x161 #define WMA_VERSION_9_PRO 0x162 #define WMA_LOSSLESS 0x163 unsigned short codec_id = 0; switch (stream->codec->codec_id) { //TODO: What code for lossless ? case AV_CODEC_ID_WMAPRO: codec_id = WMA_VERSION_9_PRO; break; case AV_CODEC_ID_WMAV2: codec_id = WMA_VERSION_2_9; break; case AV_CODEC_ID_WMAV1: default: codec_id = WMA_VERSION_1; break; } memcpy(track.aacbuf + 78, &codec_id, 2); //codec_id unsigned short number_of_channels = stream->codec->channels; memcpy(track.aacbuf + 80, &number_of_channels, 2); //number_of_channels unsigned int samples_per_second = stream->codec->sample_rate; ffmpeg_printf(1, "samples_per_second = %d\n", samples_per_second); memcpy(track.aacbuf + 82, &samples_per_second, 4); //samples_per_second unsigned int average_number_of_bytes_per_second = stream->codec->bit_rate / 8; ffmpeg_printf(1, "average_number_of_bytes_per_second = %d\n", average_number_of_bytes_per_second); memcpy(track.aacbuf + 86, &average_number_of_bytes_per_second, 4); //average_number_of_bytes_per_second unsigned short block_alignment = stream->codec->block_align; ffmpeg_printf(1, "block_alignment = %d\n", block_alignment); memcpy(track.aacbuf + 90, &block_alignment, 2); //block_alignment unsigned short bits_per_sample = stream->codec->sample_fmt >= 0 ? (stream->codec->sample_fmt + 1) * 8 : 8; ffmpeg_printf(1, "bits_per_sample = %d (%d)\n", bits_per_sample, stream->codec->sample_fmt); memcpy(track.aacbuf + 92, &bits_per_sample, 2); //bits_per_sample memcpy(track.aacbuf + 94, &stream->codec->extradata_size, 2); //bits_per_sample memcpy(track.aacbuf + 96, stream->codec->extradata, stream->codec->extradata_size); ffmpeg_printf(1, "aacbuf:\n"); Hexdump(track.aacbuf, track.aacbuflen); //ffmpeg_printf(1, "priv_data:\n"); //Hexdump(stream->codec->priv_data, track.aacbuflen); track.have_aacheader = 1; } #endif if (context->manager->audio) { if (context->manager->audio->Command(context, MANAGER_ADD, &track) < 0) { /* konfetti: fixme: is this a reason to return with error? */ ffmpeg_err("failed to add track %d\n", n); } } } else { ffmpeg_err("codec type audio but codec unknown %d\n", stream->codec->codec_id); } break; case AVMEDIA_TYPE_SUBTITLE: { AVDictionaryEntry *lang; ffmpeg_printf(10, "CODEC_TYPE_SUBTITLE %d\n", stream->codec->codec_type); lang = av_dict_get(stream->metadata, "language", NULL, 0); track.Name = lang ? lang->value : "und"; ffmpeg_printf(10, "Language %s\n", track.Name); track.Encoding = encoding; track.Id = stream->id; track.duration = (double) stream->duration * av_q2d(stream->time_base) * 1000.0; #if 0 track.aacbuf = 0; track.have_aacheader = -1; #endif track.width = -1; /* will be filled online from videotrack */ track.height = -1; /* will be filled online from videotrack */ track.extraData = stream->codec->extradata; track.extraSize = stream->codec->extradata_size; ffmpeg_printf(10, "subtitle codec %d\n", stream->codec->codec_id); ffmpeg_printf(10, "subtitle width %d\n", stream->codec->width); ffmpeg_printf(10, "subtitle height %d\n", stream->codec->height); ffmpeg_printf(10, "subtitle stream %p\n", stream); ffmpeg_printf(10, "FOUND SUBTITLE %s\n", track.Name); if (stream->codec->codec_id == AV_CODEC_ID_DVB_TELETEXT && context->manager->teletext) { ffmpeg_printf(10, "dvb_teletext\n"); int i = 0; AVDictionaryEntry *t = NULL; do { char tmp[30]; snprintf(tmp, sizeof(tmp), "teletext_%d", i); t = av_dict_get(stream->metadata, tmp, NULL, 0); if (t) { track.Name = t->value; if (context->manager->teletext->Command(context, MANAGER_ADD, &track) < 0) ffmpeg_err("failed to add teletext track %d\n", n); } i++; } while (t); } else if (context->manager->subtitle) { if (!stream->codec->codec) { stream->codec->codec = avcodec_find_decoder(stream->codec->codec_id); if (!stream->codec->codec) ffmpeg_err("avcodec_find_decoder failed for subtitle track %d\n", n); else if (avcodec_open2(stream->codec, stream->codec->codec, NULL)) { ffmpeg_err("avcodec_open2 failed for subtitle track %d\n", n); stream->codec->codec = NULL; } } if (stream->codec->codec && context->manager->subtitle->Command(context, MANAGER_ADD, &track) < 0) { /* konfetti: fixme: is this a reason to return with error? */ ffmpeg_err("failed to add subtitle track %d\n", n); } } break; } case AVMEDIA_TYPE_UNKNOWN: case AVMEDIA_TYPE_DATA: case AVMEDIA_TYPE_ATTACHMENT: case AVMEDIA_TYPE_NB: default: ffmpeg_err("not handled or unknown codec_type %d\n", stream->codec->codec_type); break; } } /* for */ return cERR_CONTAINER_FFMPEG_NO_ERROR; } static int container_ffmpeg_play(Context_t * context) { int error; int ret = 0; pthread_attr_t attr; ffmpeg_printf(10, "\n"); if (context && context->playback && context->playback->isPlaying) { ffmpeg_printf(10, "is Playing\n"); } else { ffmpeg_printf(10, "is NOT Playing\n"); } if (hasPlayThreadStarted == 0) { pthread_attr_init(&attr); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); if ((error = pthread_create(&PlayThread, &attr, (void *) &FFMPEGThread, context)) != 0) { ffmpeg_printf(10, "Error creating thread, error:%d:%s\n", error, strerror(error)); ret = cERR_CONTAINER_FFMPEG_ERR; } else { ffmpeg_printf(10, "Created thread\n"); } } else { ffmpeg_printf(10, "A thread already exists!\n"); ret = cERR_CONTAINER_FFMPEG_ERR; } ffmpeg_printf(10, "exiting with value %d\n", ret); return ret; } static int container_ffmpeg_stop(Context_t * context) { int ret = cERR_CONTAINER_FFMPEG_NO_ERROR; ffmpeg_printf(10, "\n"); if (!isContainerRunning) { ffmpeg_err("Container not running\n"); return cERR_CONTAINER_FFMPEG_ERR; } if (context->playback) context->playback->abortRequested = 1; while (hasPlayThreadStarted != 0) usleep(100000); terminating = 1; if (avContext) avformat_close_input(&avContext); isContainerRunning = 0; avformat_network_deinit(); ffmpeg_printf(10, "ret %d\n", ret); return ret; } static int container_ffmpeg_seek(Context_t * context __attribute__ ((unused)), float sec, int absolute) { if (absolute) seek_sec_abs = sec, seek_sec_rel = 0.0; else seek_sec_abs = -1.0, seek_sec_rel = sec; return cERR_CONTAINER_FFMPEG_NO_ERROR; } static int container_ffmpeg_get_length(Context_t * context, double *length) { ffmpeg_printf(50, "\n"); Track_t *videoTrack = NULL; Track_t *audioTrack = NULL; Track_t *subtitleTrack = NULL; Track_t *current = NULL; if (length == NULL) { ffmpeg_err("null pointer passed\n"); return cERR_CONTAINER_FFMPEG_ERR; } context->manager->video->Command(context, MANAGER_GET_TRACK, &videoTrack); context->manager->audio->Command(context, MANAGER_GET_TRACK, &audioTrack); context->manager->subtitle->Command(context, MANAGER_GET_TRACK, &subtitleTrack); if (videoTrack != NULL) current = videoTrack; else if (audioTrack != NULL) current = audioTrack; else if (subtitleTrack != NULL) current = subtitleTrack; *length = 0.0; if (current != NULL) { if (current->duration == 0) return cERR_CONTAINER_FFMPEG_ERR; else *length = (current->duration / 1000.0); } else { if (avContext != NULL) { *length = (avContext->duration / 1000.0); } else { ffmpeg_err("no Track not context ->no problem :D\n"); return cERR_CONTAINER_FFMPEG_ERR; } } return cERR_CONTAINER_FFMPEG_NO_ERROR; } static int container_ffmpeg_switch_audio(Context_t * context, int *arg) { ffmpeg_printf(10, "track %d\n", *arg); /* Hellmaster1024: nothing to do here! */ float sec = -5.0; context->playback->Command(context, PLAYBACK_SEEK, (void *) &sec); return cERR_CONTAINER_FFMPEG_NO_ERROR; } static int container_ffmpeg_switch_subtitle(Context_t * context __attribute__ ((unused)), int *arg __attribute__ ((unused))) { /* Hellmaster1024: nothing to do here! */ return cERR_CONTAINER_FFMPEG_NO_ERROR; } static int container_ffmpeg_switch_teletext(Context_t * context __attribute__ ((unused)), int *arg __attribute__ ((unused))) { return cERR_CONTAINER_FFMPEG_NO_ERROR; } static int container_ffmpeg_get_metadata(Context_t * context, char ***p) { Track_t *videoTrack = NULL; Track_t *audioTrack = NULL; AVDictionaryEntry *tag = NULL; size_t psize = 1; char **pp; if (!context) { fprintf(stderr, "BUG %s:%d\n", __func__, __LINE__); return cERR_CONTAINER_FFMPEG_ERR; } if (!p || *p) { fprintf(stderr, "BUG %s:%d\n", __func__, __LINE__); return cERR_CONTAINER_FFMPEG_ERR; } context->manager->video->Command(context, MANAGER_GET_TRACK, &videoTrack); context->manager->audio->Command(context, MANAGER_GET_TRACK, &audioTrack); if (avContext->metadata) psize += av_dict_count(avContext->metadata); if (videoTrack) psize += av_dict_count(((AVStream *)(videoTrack->stream))->metadata); if (audioTrack) psize += av_dict_count(((AVStream *)(audioTrack->stream))->metadata); *p = malloc(sizeof(char *) * psize * 2); if (!*p) { fprintf(stderr, "MALLOC %s:%d\n", __func__, __LINE__); return cERR_CONTAINER_FFMPEG_ERR; } pp = *p; if (avContext->metadata) while ((tag = av_dict_get(avContext->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) { *pp++ = strdup(tag->key); *pp++ = strdup(tag->value); } if (videoTrack) { tag = NULL; while ((tag = av_dict_get(((AVStream *)(videoTrack->stream))->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) { *pp++ = strdup(tag->key); *pp++ = strdup(tag->value); } } if (audioTrack) { tag = NULL; while ((tag = av_dict_get(((AVStream *)(audioTrack->stream))->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) { *pp++ = strdup(tag->key); *pp++ = strdup(tag->value); } } *pp++ = NULL; *pp = NULL; return cERR_CONTAINER_FFMPEG_NO_ERROR; } static int Command(Context_t *context, ContainerCmd_t command, void *argument) { int ret = cERR_CONTAINER_FFMPEG_NO_ERROR; ffmpeg_printf(50, "Command %d\n", command); if (command != CONTAINER_INIT && !avContext) return cERR_CONTAINER_FFMPEG_ERR; if (command == CONTAINER_INIT && avContext) return cERR_CONTAINER_FFMPEG_ERR; switch (command) { case CONTAINER_INIT:{ char *filename = (char *) argument; ret = container_ffmpeg_init(context, filename); break; } case CONTAINER_PLAY:{ ret = container_ffmpeg_play(context); break; } case CONTAINER_STOP:{ ret = container_ffmpeg_stop(context); break; } case CONTAINER_SEEK:{ ret = container_ffmpeg_seek(context, (float) *((float *) argument), 0); break; } case CONTAINER_SEEK_ABS:{ ret = container_ffmpeg_seek(context, (float) *((float *) argument), -1); break; } case CONTAINER_LENGTH:{ double length = 0; ret = container_ffmpeg_get_length(context, &length); *((double *) argument) = (double) length; break; } case CONTAINER_SWITCH_AUDIO:{ ret = container_ffmpeg_switch_audio(context, (int *) argument); break; } case CONTAINER_SWITCH_SUBTITLE:{ ret = container_ffmpeg_switch_subtitle(context, (int *) argument); break; } case CONTAINER_METADATA:{ ret = container_ffmpeg_get_metadata(context, (char ***) argument); break; } case CONTAINER_SWITCH_TELETEXT:{ ret = container_ffmpeg_switch_teletext(context, (int *) argument); break; } default: ffmpeg_err("ContainerCmd %d not supported!\n", command); ret = cERR_CONTAINER_FFMPEG_ERR; break; } ffmpeg_printf(50, "exiting with value %d\n", ret); return ret; } static char *FFMPEG_Capabilities[] = { "avi", "mkv", "mp4", "ts", "mov", "flv", "flac", "mp3", "mpg", "m2ts", "vob", "wmv", "wma", "asf", "mp2", "m4v", "m4a", "divx", "dat", "mpeg", "trp", "mts", "vdr", "ogg", "wav", "wtv", "ogm", "3gp", NULL }; Container_t FFMPEGContainer = { "FFMPEG", &Command, FFMPEG_Capabilities };