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76700e710d179305162931d2e9785f8f2d4ba707
recycled-ni-libstb-hal/libeplayer3/container/container_ffmpeg.c
martii 76700e710d libspark/audio, libeplayer3: audio type adjustments 
Origin commit data
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Branch: master
Commit: a56e611a05
Author: martii <m4rtii@gmx.de>
Date: 2013-11-11 (Mon, 11 Nov 2013)


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2013-11-11 12:30:47 +01:00

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/*
* 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 <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <memory.h>
#include <string.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/poll.h>
#include <pthread.h>
#include <sys/prctl.h>
#include <libavutil/avutil.h>
#include <libavutil/time.h>
#include <libavformat/avformat.h>
#include <libswresample/swresample.h>
#include <libavutil/opt.h>
#include "common.h"
#include "misc.h"
#include "debug.h"
#include "aac.h"
#include "pcm.h"
#include "ffmpeg_metadata.h"
#include "subtitle.h"
/* ***************************** */
/* Makros/Constants */
/* ***************************** */
#define FFMPEG_DEBUG
#ifdef FFMPEG_DEBUG
static short debug_level = 10;
#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 */
/* ***************************** */
/* ***************************** */
/* Varaibles */
/* ***************************** */
static pthread_mutex_t mutex;
static pthread_t PlayThread;
static int hasPlayThreadStarted = 0;
static AVFormatContext* avContext = NULL;
static unsigned char isContainerRunning = 0;
static long long int latestPts = 0;
static int restart_audio_resampling = 0;
static off_t seek_target_bytes = 0;
static int do_seek_target_bytes = 0;
static float seek_target_seconds = 0.0;
static int do_seek_target_seconds = 0;
static int seek_target_flag = 0;
/* ***************************** */
/* Prototypes */
/* ***************************** */
static int container_ffmpeg_seek_bytes(off_t pos);
static int container_ffmpeg_seek(Context_t *context, float sec, int absolute);
static int container_ffmpeg_seek_rel(Context_t *context, off_t pos, long long int pts, float sec);
/* ***************************** */
/* MISC Functions */
/* ***************************** */
static int mutexInitialized = 0;
static void initMutex(void)
{
pthread_mutex_init(&mutex, NULL);
mutexInitialized = 1;
}
static void getMutex(const char *filename __attribute__((unused)), const char *function __attribute__((unused)), int line) {
ffmpeg_printf(100, "::%d requesting mutex\n", line);
if (!mutexInitialized)
initMutex();
pthread_mutex_lock(&mutex);
ffmpeg_printf(100, "::%d received mutex\n", line);
}
static void releaseMutex(const char *filename __attribute__((unused)), const const char *function __attribute__((unused)), int line) {
pthread_mutex_unlock(&mutex);
ffmpeg_printf(100, "::%d released mutex\n", line);
}
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;
}
/*Hellmaster1024: get the Duration of the subtitle from the SSA line*/
float getDurationFromSSALine(unsigned char* line){
int i,h,m,s,ms;
char* Text = strdup((char*) line);
char* ptr1;
char* ptr[10];
long int msec;
ptr1 = Text;
ptr[0]=Text;
for (i=0; i < 3 && *ptr1 != '\0'; ptr1++) {
if (*ptr1 == ',') {
ptr[++i]=ptr1+1;
*ptr1 = '\0';
}
}
sscanf(ptr[2],"%d:%d:%d.%d",&h,&m,&s,&ms);
msec = (ms*10) + (s*1000) + (m*60*1000) + (h*24*60*1000);
sscanf(ptr[1],"%d:%d:%d.%d",&h,&m,&s,&ms);
msec -= (ms*10) + (s*1000) + (m*60*1000) + (h*24*60*1000);
ffmpeg_printf(10, "%s %s %f\n", ptr[2], ptr[1], (float) msec / 1000.0);
free(Text);
return (float)msec/1000.0;
}
/* search for metatdata in context and stream
* and map it to our metadata.
*/
static char* searchMeta(AVDictionary * metadata, char* ourTag)
{
AVDictionaryEntry *tag = NULL;
int i = 0;
while (metadata_map[i] != NULL)
{
if (strcmp(ourTag, metadata_map[i]) == 0)
{
while ((tag = av_dict_get(metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
{
if (strcmp(tag->key, metadata_map[ i + 1 ]) == 0)
{
return tag->value;
}
}
}
i++;
}
return NULL;
}
/* **************************** */
/* Worker Thread */
/* **************************** */
static void FFMPEGThread(Context_t *context) {
char threadname[17];
strncpy(threadname, __func__, sizeof(threadname));
threadname[16] = 0;
prctl (PR_SET_NAME, (unsigned long)&threadname);
off_t lastSeek = -1;
long long int lastPts = -1, currentVideoPts = -1, currentAudioPts = -1, showtime = 0, bofcount = 0;
int err = 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;
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;
}
if (context->playback->isSeeking) {
ffmpeg_printf(10, "seeking\n");
usleep(100000);
continue;
}
getMutex(FILENAME, __FUNCTION__,__LINE__);
if (!context->playback || !context->playback->isPlaying) {
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
continue;
}
if (context->playback->BackWard && av_gettime() >= showtime)
{
context->output->Command(context, OUTPUT_CLEAR, "video");
if(bofcount == 1)
{
showtime = av_gettime();
usleep(100000);
continue;
}
if(lastPts == -1)
{
if(currentVideoPts != -1)
lastPts = currentVideoPts;
else
lastPts = currentAudioPts;
}
if((err = container_ffmpeg_seek_rel(context, lastSeek, lastPts, (float) context->playback->Speed)) < 0)
{
ffmpeg_err( "Error seeking\n");
if (err == cERR_CONTAINER_FFMPEG_END_OF_FILE)
{
bofcount = 1;
}
}
}
if (do_seek_target_seconds || do_seek_target_bytes) {
if (do_seek_target_seconds) {
float seek_target_seconds_min = seek_target_seconds - 15 * AV_TIME_BASE;
avformat_seek_file(avContext, -1, seek_target_seconds_min, seek_target_seconds, INT64_MAX, seek_target_flag);
} else
container_ffmpeg_seek_bytes(seek_target_bytes);
do_seek_target_seconds = do_seek_target_bytes = 0;
restart_audio_resampling = 1;
latestPts = 0;
seek_target_flag = 0;
// 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);
}
if (context->playback->BackWard) {
lastPts = lastPts + (context->playback->Speed * 90000);
showtime = av_gettime() + 300000; //jump back all 300ms
context->output->Command(context, OUTPUT_AUDIOMUTE, "0");
}
AVPacket packet;
av_init_packet(&packet);
if (av_read_frame(avContext, &packet) == 0 )
{
long long int pts;
Track_t * videoTrack = NULL;
Track_t * audioTrack = NULL;
Track_t * subtitleTrack = NULL;
Track_t * dvbsubtitleTrack = 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->dvbsubtitle->Command(context, MANAGER_GET_TRACK, &dvbsubtitleTrack) < 0)
ffmpeg_err("error getting dvb 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);
if ((currentVideoPts > latestPts) && (currentVideoPts != INVALID_PTS_VALUE))
latestPts = currentVideoPts;
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";
if (context->output->video->Write(context, &avOut) < 0) {
ffmpeg_err("writing data to video device failed\n");
}
} else if (audioTrack && (audioTrack->Id == pid)) {
currentAudioPts = audioTrack->pts = pts = calcPts(audioTrack->stream, packet.pts);
if ((currentAudioPts > latestPts) && (!videoTrack))
latestPts = currentAudioPts;
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";
if (!context->playback->BackWard && 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) {
avcodec_free_frame(&decoded_frame);
decoded_frame = NULL;
}
context->output->Command(context, OUTPUT_CLEAR, NULL);
context->output->Command(context, OUTPUT_PLAY, NULL);
}
while(packet.size > 0)
{
int got_frame = 0;
if (!decoded_frame) {
if (!(decoded_frame = avcodec_alloc_frame())) {
fprintf(stderr, "out of memory\n");
exit(1);
}
} else
avcodec_get_frame_defaults(decoded_frame);
int len = avcodec_decode_audio4(c, decoded_frame, &got_frame, &packet);
if (len < 0) {
// fprintf(stderr, "avcodec_decode_audio4: %d\n", len);
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;
}
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 = 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";
if (!context->playback->BackWard && context->output->audio->Write(context, &avOut) < 0)
ffmpeg_err("writing data to audio device failed\n");
av_freep(&output);
}
}
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";
if (!context->playback->BackWard && context->output->audio->Write(context, &avOut) < 0)
{
ffmpeg_err("(aac) writing data to audio device failed\n");
}
}
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";
if (!context->playback->BackWard && 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 ((pts > latestPts) && (!videoTrack) && (!audioTrack))
latestPts = pts;
/*Hellmaster1024: in mkv the duration for ID_TEXT is stored in convergence_duration */
ffmpeg_printf(20, "Packet duration %d\n", packet.duration);
ffmpeg_printf(20, "Packet convergence_duration %lld\n", packet.convergence_duration);
if(packet.duration != 0) // FIXME: packet.duration is 32 bit, AV_NOPTS_VALUE is 64 bit --martii
duration=((float)packet.duration)/1000.0;
else if(packet.convergence_duration != 0 && packet.convergence_duration != AV_NOPTS_VALUE )
duration=((float)packet.convergence_duration)/1000.0;
else if(((AVStream*)subtitleTrack->stream)->codec->codec_id == AV_CODEC_ID_SSA)
{
/*Hellmaster1024 if the duration is not stored in packet.duration or
packet.convergence_duration we need to calculate it any other way, for SSA it is stored in
the Text line*/
duration = getDurationFromSSALine(packet.data);
} else {
/* no clue yet */
}
/* konfetti: I've found cases where the duration from getDurationFromSSALine
* is zero (start end and are really the same in text). I think it make's
* no sense to pass those.
*/
if (duration > 0.0)
{
/* is there a decoder ? */
if (((AVStream*) subtitleTrack->stream)->codec->codec)
{
AVSubtitle 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");
} else
{
unsigned int i;
ffmpeg_printf(0, "format %d\n", sub.format);
ffmpeg_printf(0, "start_display_time %d\n", sub.start_display_time);
ffmpeg_printf(0, "end_display_time %d\n", sub.end_display_time);
ffmpeg_printf(0, "num_rects %d\n", sub.num_rects);
ffmpeg_printf(0, "pts %lld\n", sub.pts);
for (i = 0; i < sub.num_rects; i++)
{
ffmpeg_printf(0, "x %d\n", sub.rects[i]->x);
ffmpeg_printf(0, "y %d\n", sub.rects[i]->y);
ffmpeg_printf(0, "w %d\n", sub.rects[i]->w);
ffmpeg_printf(0, "h %d\n", sub.rects[i]->h);
ffmpeg_printf(0, "nb_colors %d\n", sub.rects[i]->nb_colors);
ffmpeg_printf(0, "type %d\n", sub.rects[i]->type);
ffmpeg_printf(0, "text %s\n", sub.rects[i]->text);
ffmpeg_printf(0, "ass %s\n", sub.rects[i]->ass);
// pict ->AVPicture
}
}
if(((AVStream*)subtitleTrack->stream)->codec->codec_id == AV_CODEC_ID_SSA)
{
SubtitleData_t data;
ffmpeg_printf(10, "videoPts %lld\n", currentVideoPts);
data.data = packet.data;
data.len = packet.size;
data.extradata = subtitleTrack->extraData;
data.extralen = subtitleTrack->extraSize;
data.pts = pts;
data.duration = duration;
context->container->assContainer->Command(context, CONTAINER_DATA, &data);
}
else
{
/* hopefully native text ;) */
unsigned char* line = text_to_ass((char *)packet.data,pts/90,duration);
ffmpeg_printf(50,"text line is %s\n",(char *)packet.data);
ffmpeg_printf(50,"Sub line is %s\n",line);
ffmpeg_printf(20, "videoPts %lld %f\n", currentVideoPts,currentVideoPts/90000.0);
SubtitleData_t data;
data.data = line;
data.len = strlen((char*)line);
data.extradata = (unsigned char *) DEFAULT_ASS_HEAD;
data.extralen = strlen(DEFAULT_ASS_HEAD);
data.pts = pts;
data.duration = duration;
context->container->assContainer->Command(context, CONTAINER_DATA, &data);
free(line);
}
}
} /* duration */
}
else if (dvbsubtitleTrack && (dvbsubtitleTrack->Id == pid)) {
dvbsubtitleTrack->pts = pts = calcPts(dvbsubtitleTrack->stream, packet.pts);
ffmpeg_printf(200, "DvbSubTitle index = %d\n",pid);
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 = "dvbsubtitle";
if (context->output->dvbsubtitle->Write(context, &avOut) < 0)
{
//ffmpeg_err("writing data to dvbsubtitle fifo failed\n");
}
} else if (teletextTrack && (teletextTrack->Id == pid)) {
teletextTrack->pts = pts = calcPts(teletextTrack->stream, packet.pts);
ffmpeg_printf(200, "TeleText index = %d\n",pid);
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 = "teletext";
if (context->output->teletext->Write(context, &avOut) < 0)
{
//ffmpeg_err("writing data to teletext fifo failed\n");
}
}
} else { // av_read_frame failed
ffmpeg_err("no data ->end of file reached ? \n");
av_free_packet(&packet);
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
break; // while
}
av_free_packet(&packet);
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
} /* while */
if (context && context->playback && context->output && context->playback->abortRequested)
context->output->Command(context, OUTPUT_CLEAR, NULL);
if (swr)
swr_free(&swr);
if (decoded_frame)
avcodec_free_frame(&decoded_frame);
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->abortRequested;
}
int container_ffmpeg_init(Context_t *context, char * filename)
{
int err;
ffmpeg_printf(10, ">\n");
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;
}
/* initialize ffmpeg */
avcodec_register_all();
av_register_all();
avformat_network_init();
context->playback->abortRequested = 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);
return cERR_CONTAINER_FFMPEG_OPEN;
}
avContext->iformat->flags |= AVFMT_SEEK_TO_PTS;
avContext->flags = AVFMT_FLAG_GENPTS;
if (context->playback->noprobe)
avContext->max_analyze_duration = 1;
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);
//for buffered io (end)
return cERR_CONTAINER_FFMPEG_STREAM;
#endif
}
terminating = 0;
latestPts = 0;
isContainerRunning = 1;
int res = container_ffmpeg_update_tracks(context, filename, 1);
return res;
}
int container_ffmpeg_update_tracks(Context_t *context, char *filename, int initial)
{
if (terminating)
return cERR_CONTAINER_FFMPEG_NO_ERROR;
Track_t * audioTrack = NULL;
Track_t * subtitleTrack = NULL;
Track_t * dvbsubtitleTrack = NULL;
Track_t * teletextTrack = NULL;
context->manager->audio->Command(context, MANAGER_GET_TRACK, &audioTrack);
if (initial)
context->manager->subtitle->Command(context, MANAGER_GET_TRACK, &subtitleTrack);
context->manager->dvbsubtitle->Command(context, MANAGER_GET_TRACK, &dvbsubtitleTrack);
context->manager->teletext->Command(context, MANAGER_GET_TRACK, &teletextTrack);
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 0
if (context->manager->subtitle)
context->manager->subtitle->Command(context, MANAGER_INIT_UPDATE, NULL);
#endif
if (context->manager->dvbsubtitle)
context->manager->dvbsubtitle->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));
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;
track.aacbuf = 0;
track.have_aacheader = -1;
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(10, "bit_rate = %d\n",stream->codec->bit_rate);
ffmpeg_printf(10, "flags = %d\n",stream->codec->flags);
ffmpeg_printf(10, "frame_bits = %d\n",stream->codec->frame_bits);
ffmpeg_printf(10, "time_base.den %d\n",stream->time_base.den);
ffmpeg_printf(10, "time_base.num %d\n",stream->time_base.num);
ffmpeg_printf(10, "frame_rate %d\n",stream->r_frame_rate.num);
ffmpeg_printf(10, "TimeScale %d\n",stream->r_frame_rate.den);
ffmpeg_printf(10, "frame_rate %d\n", track.frame_rate);
ffmpeg_printf(10, "TimeScale %d\n", track.TimeScale);
track.Name = "und";
track.Encoding = encoding;
track.stream = stream;
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.stream = stream;
track.Id = stream->id;
track.duration = (double)stream->duration * av_q2d(stream->time_base) * 1000.0;
track.aacbuf = 0;
track.have_aacheader = -1;
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);
AVCodec *codec = avcodec_find_decoder(stream->codec->codec_id);
//( (AVStream*) audioTrack->stream)->codec->flags |= CODEC_FLAG_TRUNCATED;
if(codec != NULL && !avcodec_open2(stream->codec, codec, NULL))
printf("AVCODEC__INIT__SUCCESS\n");
else
printf("AVCODEC__INIT__FAILED\n");
}
#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.stream = stream;
track.Id = stream->id;
track.duration = (double)stream->duration * av_q2d(stream->time_base) * 1000.0;
track.aacbuf = 0;
track.have_aacheader = -1;
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(1, "subtitle codec %d\n", stream->codec->codec_id);
ffmpeg_printf(1, "subtitle width %d\n", stream->codec->width);
ffmpeg_printf(1, "subtitle height %d\n", stream->codec->height);
ffmpeg_printf(1, "subtitle stream %p\n", stream);
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;
}
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 (stream->codec->codec_id == AV_CODEC_ID_DVB_SUBTITLE && context->manager->dvbsubtitle) {
ffmpeg_printf(10, "dvb_subtitle\n");
lang = av_dict_get(stream->metadata, "language", NULL, 0);
if (context->manager->dvbsubtitle->Command(context, MANAGER_ADD, &track) < 0) {
ffmpeg_err("failed to add dvbsubtitle track %d\n", n);
}
} else if (initial && 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));
hasPlayThreadStarted = 0;
ret = cERR_CONTAINER_FFMPEG_ERR;
}
else {
ffmpeg_printf(10, "Created thread\n");
hasPlayThreadStarted = 1;
}
}
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;
int wait_time = 20;
ffmpeg_printf(10, "\n");
if (!isContainerRunning)
{
ffmpeg_err("Container not running\n");
return cERR_CONTAINER_FFMPEG_ERR;
}
if (context->playback)
context->playback->isPlaying = 0;
while ( (hasPlayThreadStarted != 0) && (--wait_time) > 0 ) {
ffmpeg_printf(10, "Waiting for ffmpeg thread to terminate itself, will try another %d times\n", wait_time);
usleep(100000);
}
if (wait_time == 0) {
ffmpeg_err( "Timeout waiting for thread!\n");
ret = cERR_CONTAINER_FFMPEG_ERR;
}
hasPlayThreadStarted = 0;
terminating = 1;
getMutex(FILENAME, __FUNCTION__,__LINE__);
if (avContext)
avformat_close_input(&avContext);
isContainerRunning = 0;
avformat_network_deinit();
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
ffmpeg_printf(10, "ret %d\n", ret);
return ret;
}
static int container_ffmpeg_seek_bytes(off_t pos) {
int flag = AVSEEK_FLAG_BYTE;
off_t current_pos = avio_tell(avContext->pb);
ffmpeg_printf(20, "seeking to position %lld (bytes)\n", pos);
if (current_pos > pos)
flag |= AVSEEK_FLAG_BACKWARD;
if (avformat_seek_file(avContext, -1, INT64_MIN, pos, INT64_MAX, flag) < 0)
{
ffmpeg_err( "Error seeking\n");
return cERR_CONTAINER_FFMPEG_ERR;
}
ffmpeg_printf(30, "current_pos after seek %lld\n", avio_tell(avContext->pb));
return cERR_CONTAINER_FFMPEG_NO_ERROR;
}
/* seeking relative to a given byteposition N seconds ->for reverse playback needed */
static int container_ffmpeg_seek_rel(Context_t *context, off_t pos, long long int pts, float sec) {
Track_t * videoTrack = NULL;
Track_t * audioTrack = NULL;
Track_t * current = NULL;
seek_target_flag = 0;
ffmpeg_printf(10, "seeking %f sec relativ to %lld\n", sec, pos);
context->manager->video->Command(context, MANAGER_GET_TRACK, &videoTrack);
context->manager->audio->Command(context, MANAGER_GET_TRACK, &audioTrack);
if (videoTrack != NULL)
current = videoTrack;
else if (audioTrack != NULL)
current = audioTrack;
if (current == NULL) {
ffmpeg_err( "no track avaibale to seek\n");
return cERR_CONTAINER_FFMPEG_ERR;
}
if (pos == -1)
{
pos = avio_tell(avContext->pb);
}
if (pts == -1)
pts = current->pts;
if (sec < 0)
seek_target_flag |= AVSEEK_FLAG_BACKWARD;
ffmpeg_printf(10, "iformat->flags %d\n", avContext->iformat->flags);
if (avContext->iformat->flags & AVFMT_TS_DISCONT)
{
if (avContext->bit_rate)
{
sec *= avContext->bit_rate / 8.0;
ffmpeg_printf(10, "bit_rate %d\n", avContext->bit_rate);
}
else
{
sec *= 180000.0;
}
pos += sec;
if (pos < 0)
{
ffmpeg_err("end of file reached\n");
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
return cERR_CONTAINER_FFMPEG_END_OF_FILE;
}
ffmpeg_printf(10, "1. seeking to position %lld bytes ->sec %f\n", pos, sec);
seek_target_bytes = pos;
do_seek_target_bytes = 1;
return pos;
}
else
{
sec += ((float) pts / 90000.0f);
if (sec < 0)
sec = 0;
ffmpeg_printf(10, "2. seeking to position %f sec ->time base %f %d\n", sec, av_q2d(((AVStream*) current->stream)->time_base), AV_TIME_BASE);
seek_target_seconds = sec * AV_TIME_BASE;
do_seek_target_seconds = 1;
}
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
return cERR_CONTAINER_FFMPEG_NO_ERROR;
}
static int container_ffmpeg_seek(Context_t *context, float sec, int absolute) {
Track_t * videoTrack = NULL;
Track_t * audioTrack = NULL;
Track_t * current = NULL;
seek_target_flag = 0;
if (absolute) {
ffmpeg_printf(10, "goto %f sec\n", sec);
if (sec < 0.0)
sec = 0.0;
} else {
ffmpeg_printf(10, "seeking %f sec\n", sec);
if (sec == 0.0)
{
ffmpeg_err("sec = 0.0 ignoring\n");
return cERR_CONTAINER_FFMPEG_ERR;
}
}
context->manager->video->Command(context, MANAGER_GET_TRACK, &videoTrack);
context->manager->audio->Command(context, MANAGER_GET_TRACK, &audioTrack);
if (videoTrack != NULL)
current = videoTrack;
else if (audioTrack != NULL)
current = audioTrack;
if (current == NULL) {
ffmpeg_err( "no track available to seek\n");
return cERR_CONTAINER_FFMPEG_ERR;
}
if (sec < 0)
seek_target_flag |= AVSEEK_FLAG_BACKWARD;
getMutex(FILENAME, __FUNCTION__,__LINE__);
if (!context->playback || !context->playback->isPlaying) {
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
return cERR_CONTAINER_FFMPEG_NO_ERROR;
}
ffmpeg_printf(10, "iformat->flags %d\n", avContext->iformat->flags);
if (avContext->iformat->flags & AVFMT_TS_DISCONT)
{
/* konfetti: for ts streams seeking frame per seconds does not work (why?).
* I take this algo partly from ffplay.c.
*
* seeking per HTTP does still not work very good. forward seeks everytime
* about 10 seconds, backward does not work.
*/
off_t pos = avio_tell(avContext->pb);
ffmpeg_printf(10, "pos %lld %d\n", pos, avContext->bit_rate);
if (avContext->bit_rate)
{
sec *= avContext->bit_rate / 8.0;
ffmpeg_printf(10, "bit_rate %d\n", avContext->bit_rate);
}
else
{
sec *= 180000.0;
}
if (absolute)
pos = sec;
else
pos += sec;
if (pos < 0)
pos = 0;
ffmpeg_printf(10, "1. seeking to position %lld bytes ->sec %f\n", pos, sec);
seek_target_bytes = pos;
do_seek_target_bytes = 1;
} else
{
if (!absolute)
sec += ((float) current->pts / 90000.0f);
ffmpeg_printf(10, "2. seeking to position %f sec ->time base %f %d\n", sec, av_q2d(((AVStream*) current->stream)->time_base), AV_TIME_BASE);
seek_target_seconds = sec * AV_TIME_BASE;
do_seek_target_seconds = 1;
}
releaseMutex(FILENAME, __FUNCTION__,__LINE__);
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_dvbsubtitle(Context_t* context __attribute__((unused)), int* arg __attribute__((unused)))
{
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;
}
/* konfetti comment: I dont like the mechanism of overwriting
* the pointer in infostring. This lead in most cases to
* user errors, like it is in the current version (libeplayer2 <-->e2->servicemp3.cpp)
* From e2 there is passed a tag=strdup here and we overwrite this
* strdupped tag. This lead to dangling pointers which are never freed!
* I do not free the string here because this is the wrong way. The mechanism
* should be changed, or e2 should pass it in a different way...
*/
static int container_ffmpeg_get_info(Context_t* context, char ** infoString)
{
Track_t * videoTrack = NULL;
Track_t * audioTrack = NULL;
char* meta = NULL;
ffmpeg_printf(20, ">\n");
if (avContext != NULL)
{
if ((infoString == NULL) || (*infoString == NULL))
{
ffmpeg_err("infostring NULL\n");
return cERR_CONTAINER_FFMPEG_ERR;
}
ffmpeg_printf(20, "%s\n", *infoString);
context->manager->video->Command(context, MANAGER_GET_TRACK, &videoTrack);
context->manager->audio->Command(context, MANAGER_GET_TRACK, &audioTrack);
if ((meta = searchMeta(avContext->metadata, *infoString)) == NULL)
{
if (audioTrack != NULL)
{
AVStream* stream = audioTrack->stream;
meta = searchMeta(stream->metadata, *infoString);
}
if ((meta == NULL) && (videoTrack != NULL))
{
AVStream* stream = videoTrack->stream;
meta = searchMeta(stream->metadata, *infoString);
}
}
if (meta != NULL)
{
*infoString = strdup(meta);
}
else
{
ffmpeg_printf(1, "no metadata found for \"%s\"\n", *infoString);
*infoString = strdup("not found");
}
} else
{
ffmpeg_err("avContext NULL\n");
return cERR_CONTAINER_FFMPEG_ERR;
}
return cERR_CONTAINER_FFMPEG_NO_ERROR;
}
static int Command(void *_context, ContainerCmd_t command, void * argument)
{
Context_t *context = (Context_t*) _context;
int ret = cERR_CONTAINER_FFMPEG_NO_ERROR;
ffmpeg_printf(50, "Command %d\n", command);
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_INFO: {
ret = container_ffmpeg_get_info(context, (char **)argument);
break;
}
case CONTAINER_STATUS: {
*((int*)argument) = hasPlayThreadStarted;
break;
}
case CONTAINER_LAST_PTS: {
*((long long int*)argument) = latestPts;
break;
}
case CONTAINER_SWITCH_DVBSUBTITLE: {
ret = container_ffmpeg_switch_dvbsubtitle(context, (int*) 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", NULL };
Container_t FFMPEGContainer = {
"FFMPEG",
&Command,
FFMPEG_Capabilities
};
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