status_t MediaPlayer::initFFmpegEngine()
{
//FFMPEG INIT code
avcodec_register_all();
avfilter_register_all();
av_register_all();
avformat_network_init();
ffmpegEngineInitialized = true;
return NO_ERROR;
}
/* global initialization
*
* XXX: in theory we can select the filters/formats we want to support, but
* this does not work in practise.
*/
void BarPlayerInit () {
ao_initialize ();
av_log_set_level (AV_LOG_FATAL);
av_register_all ();
avfilter_register_all ();
avformat_network_init ();
}
jint Java_org_libsdl_app_SDLActivity_ffInit(JNIEnv* env, jobject thiz )
{
#if CONFIG_AVDEVICE
avdevice_register_all();
#endif
#if CONFIG_AVFILTER
avfilter_register_all();
#endif
av_register_all();
avformat_network_init();
}
int main(int argc, char *argv[]) {
av_register_all();
avcodec_register_all();
avfilter_register_all();
QApplication a(argc, argv);
GUI::MainWindow mw;
mw.show();
return a.exec();
}
LibAVFilterPrivate()
: filter_graph(0)
, in_filter_ctx(0)
, out_filter_ctx(0)
, pixfmt(QTAV_PIX_FMT_C(NONE))
, width(0)
, height(0)
, avframe(0)
, options_changed(false)
{
avfilter_register_all();
}
// @todo - add a rx_shutdown_libav() to deinitialize e.g. the network (see libav/tools/aviocat.c)
void rx_init_libav() {
if(!rx_did_register_all) {
av_log_set_level(AV_LOG_DEBUG);
av_register_all();
avcodec_register_all();
avformat_network_init();
avfilter_register_all();
rx_did_register_all = true;
}
}
void init_ffmpeg(void)
{
// register all common ffmpeg things
av_register_all();
// register all the codec
avcodec_register_all();
// register all the devices
avdevice_register_all();
// register all filters
avfilter_register_all();
//register network
avformat_network_init();
}
ScreenGrabber::ScreenGrabber(int inputWidth, int inputHeight)
{
avcodec_register_all();
avdevice_register_all();
#if CONFIG_AVFILTER
avfilter_register_all();
#endif
av_register_all();
webcamCapture.resize(WebcamWidth * WebcamHeight * 4);
auto fileName = ":0.0+65,126";
if (inputHeight == 1080)
fileName = ":0.0+0,74";
auto format = "x11grab";
auto inputFormat = av_find_input_format(format);
if (!inputFormat)
{
std::cerr << "Unknown input format: '" << format << "'" << std::endl;
exit(1);
}
AVDictionary *format_opts = NULL;
av_dict_set(&format_opts, "framerate", std::to_string(OutputFrameRate).c_str(), 0);
std::string resolution = std::to_string(inputWidth) + "x" + std::to_string(inputHeight);
av_dict_set(&format_opts, "video_size", resolution.c_str(), 0);
int len = avformat_open_input(&formatContext, fileName, inputFormat, &format_opts);
if (len != 0)
{
std::cerr << "Could not open input " << fileName << std::endl;
throw - 0x10;
}
if (avformat_find_stream_info(formatContext, NULL) < 0)
{
std::cerr << "Could not read stream information from " << fileName << std::endl;
throw - 0x11;
}
av_dump_format(formatContext, 0, fileName, 0);
av_dict_free(&format_opts);
width = formatContext->streams[0]->codecpar->width;
height = formatContext->streams[0]->codecpar->height;
std::cout << "YUV4MPEG2 W" << width << " H" << height << " F" << OutputFrameRate
<< ":1 Ip A0:0 C420jpeg XYSCSS=420JPEG\n";
yuv.resize(width * height * 3 / 2);
memset(&packet, 0, sizeof(packet));
webcamThread =
std::make_unique<std::thread>(webcamGrabber, std::ref(webcamCapture), std::ref(done));
}
int groove_init(void) {
av_lockmgr_register(&my_lockmgr_cb);
srand(time(NULL));
// register all codecs, demux and protocols
avcodec_register_all();
av_register_all();
avformat_network_init();
avfilter_register_all();
should_deinit_network = 1;
av_log_set_level(AV_LOG_QUIET);
return 0;
}
void
audio_filter_process_init(vod_log_t* log)
{
avcodec_register_all();
avfilter_register_all();
buffersrc_filter = avfilter_get_by_name(BUFFERSRC_FILTER_NAME);
if (buffersrc_filter == NULL)
{
vod_log_error(VOD_LOG_WARN, log, 0,
"audio_filter_process_init: failed to get buffer source filter, audio filtering is disabled");
return;
}
buffersink_filter = avfilter_get_by_name(BUFFERSINK_FILTER_NAME);
if (buffersink_filter == NULL)
{
vod_log_error(VOD_LOG_WARN, log, 0,
"audio_filter_process_init: failed to get buffer sink filter, audio filtering is disabled");
return;
}
decoder_codec = avcodec_find_decoder(AV_CODEC_ID_AAC);
if (decoder_codec == NULL)
{
vod_log_error(VOD_LOG_WARN, log, 0,
"audio_filter_process_init: failed to get AAC decoder, audio filtering is disabled");
return;
}
encoder_codec = avcodec_find_encoder_by_name(AAC_ENCODER_NAME);
if (encoder_codec == NULL)
{
vod_log_error(VOD_LOG_WARN, log, 0,
"audio_filter_process_init: failed to get AAC encoder, audio filtering is disabled. recompile libavcodec with libfdk_aac to enable it");
return;
}
if (!audio_filter_is_format_supported(encoder_codec, ENCODER_INPUT_SAMPLE_FORMAT))
{
vod_log_error(VOD_LOG_WARN, log, 0,
"audio_filter_process_init: encoder does not support the required input format, audio filtering is disabled");
return;
}
initialized = TRUE;
}
bool FFmpegCommon::initFFmpeg()
{
if ( !initDone ) {
av_lockmgr_register( lockManager );
avcodec_register_all();
av_register_all();
avfilter_register_all();
initDone = true;
/*const AVCodecDescriptor *desc = NULL;
desc = avcodec_descriptor_next( desc );
while ( desc ) {
qDebug() << desc->name;
//qDebug() << " " << desc->long_name;
desc = avcodec_descriptor_next( desc );
}*/
/*const AVOutputFormat *format = NULL;
format = av_oformat_next( format );
while ( format ) {
qDebug() << format->name << avcodec_get_name( format->video_codec ) << avcodec_get_name( format->audio_codec );
format = av_oformat_next( format );
}*/
h264CodecNames << "default";
hevcCodecNames << "default";
AVCodec * codec = av_codec_next(NULL);
while (codec != NULL) {
if (av_codec_is_encoder(codec) && codec->type == AVMEDIA_TYPE_VIDEO) {
QString cn = codec->name;
if (cn.contains("264")) {
qDebug() << codec->name;
h264CodecNames << codec->name;
}
else if (cn.contains("hevc") || cn.contains("265")) {
qDebug() << codec->name;
hevcCodecNames << codec->name;
}
}
codec = av_codec_next(codec);
}
}
return initDone;
}
void av_ff_init()
{
if( _ff_init )return;
avdevice_register_all();
avfilter_register_all();
av_register_all();
avformat_network_init();
#ifdef __ANDROID__
{
extern AVInputFormat ff_android_demuxer;
av_register_input_format(&ff_android_demuxer);
}
#endif
_ff_init = 1;
}
void pyav_register_all(void) {
/*
* Setup base library. While the docs and experience may lead us to believe we
* don't need to call all of these (e.g. avcodec_register_all is usually
* unnessesary), some users have found contexts in which they are required.
*/
#if LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(58, 9, 100)
av_register_all();
#endif
avformat_network_init();
avdevice_register_all();
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 10, 100)
avcodec_register_all();
#endif
#if LIBAVFILTER_VERSION_INT < AV_VERSION_INT(7, 14, 100)
avfilter_register_all();
#endif
}
struct ff_demuxer *ff_demuxer_init()
{
struct ff_demuxer *demuxer;
av_register_all();
avdevice_register_all();
avfilter_register_all();
avformat_network_init();
demuxer = av_mallocz(sizeof(struct ff_demuxer));
if (demuxer == NULL)
return NULL;
demuxer->clock.sync_type = DEFAULT_AV_SYNC_TYPE;
demuxer->options.audio_frame_queue_size = AUDIO_FRAME_QUEUE_SIZE;
demuxer->options.video_frame_queue_size = VIDEO_FRAME_QUEUE_SIZE;
demuxer->options.audio_packet_queue_size = AUDIO_PACKET_QUEUE_SIZE;
demuxer->options.video_packet_queue_size = VIDEO_PACKET_QUEUE_SIZE;
demuxer->options.is_hw_decoding = false;
return demuxer;
}
void init_libav(struct mpv_global *global)
{
pthread_mutex_lock(&log_lock);
if (!log_mpv_instance) {
log_mpv_instance = global;
log_root = mp_log_new(NULL, global->log, LIB_PREFIX);
log_decaudio = mp_log_new(log_root, log_root, "audio");
log_decvideo = mp_log_new(log_root, log_root, "video");
log_demuxer = mp_log_new(log_root, log_root, "demuxer");
av_log_set_callback(mp_msg_av_log_callback);
}
pthread_mutex_unlock(&log_lock);
avcodec_register_all();
av_register_all();
avformat_network_init();
avfilter_register_all();
#if HAVE_LIBAVDEVICE
avdevice_register_all();
#endif
}
int main(int argc, char** argv)
{
QApplication app(argc, argv);
av_register_all();
avfilter_register_all();
// i18n
QTranslator qtTranslator;
qtTranslator.load("qt_" + QLocale::system().name(),
QLibraryInfo::location(QLibraryInfo::TranslationsPath));
app.installTranslator(&qtTranslator);
QTranslator appTranslator;
appTranslator.load("dvdcp_" + QLocale::system().name());
app.installTranslator(&appTranslator);
MainWindow win;
win.show();
return app.exec();
}
void FormatBaseStream::initialize() {
if (!isInitialized) {
LOGDEBUG("Init ffmpeg Libraries");
/* register all codecs, demux and protocols */
avcodec_register_all();
av_register_all();
avfilter_register_all();
avformat_network_init();
/*setup own logging callback*/
av_log_set_callback(FormatBaseStream::mhive_log_default_callback);
av_log_set_level(AV_LOG_INFO);
/* install my own lock manager
* this is needed for multithreaded environment
*/
av_lockmgr_register(lockmgr);
isInitialized = true;
}
}
int VideoDecoder::init(const string& filename)
{
av_register_all();
avcodec_register_all();
avformat_network_init();
avfilter_register_all();
if (avformat_open_input(&mFmtCtxPtr, filename.c_str(), nullptr, nullptr) != 0) {
LOGE("Could not open input file: %s", filename.c_str());
goto failed;
}
if (avformat_find_stream_info(mFmtCtxPtr, nullptr) < 0) {
LOGE("Could not find stream information");
goto failed;
}
if (initializeVideo() < 0) {
LOGE("Init video failed");
goto failed;
}
mFramePtr = av_frame_alloc();
if (!mFramePtr) {
LOGE("Not enough memory");
goto failed;
}
mFilterFramePtr = av_frame_alloc();
if (!mFilterFramePtr) {
LOGE("Not enough memory");
goto failed;
}
return 0;
failed:
destroy();
return -1;
}
int main(int argc, char **argv)
{
int ret;
AVPacket packet;
AVFrame *frame = av_frame_alloc();
AVFrame *filt_frame = av_frame_alloc();
int got_frame;
if (!frame || !filt_frame) {
perror("Could not allocate frame");
exit(1);
}
if (argc != 2) {
fprintf(stderr, "Usage: %s file\n", argv[0]);
exit(1);
}
avcodec_register_all();
av_register_all();
avfilter_register_all();
if ((ret = open_input_file(argv[1])) < 0)
goto end;
if ((ret = init_filters(filter_descr)) < 0)
goto end;
/* read all packets */
while (1) {
if ((ret = av_read_frame(fmt_ctx, &packet)) < 0)
break;
if (packet.stream_index == video_stream_index) {
avcodec_get_frame_defaults(frame);
got_frame = 0;
ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, &packet);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding video\n");
break;
}
if (got_frame) {
frame->pts = av_frame_get_best_effort_timestamp(frame);
/* push the decoded frame into the filtergraph */
if (av_buffersrc_add_frame_flags(buffersrc_ctx, frame, AV_BUFFERSRC_FLAG_KEEP_REF) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error while feeding the filtergraph\n");
break;
}
/* pull filtered frames from the filtergraph */
while (1) {
ret = av_buffersink_get_frame(buffersink_ctx, filt_frame);
if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
break;
if (ret < 0)
goto end;
display_frame(filt_frame, buffersink_ctx->inputs[0]->time_base);
av_frame_unref(filt_frame);
}
av_frame_unref(frame);
}
}
av_free_packet(&packet);
}
end:
avfilter_graph_free(&filter_graph);
if (dec_ctx)
avcodec_close(dec_ctx);
avformat_close_input(&fmt_ctx);
av_frame_free(&frame);
av_frame_free(&filt_frame);
if (ret < 0 && ret != AVERROR_EOF) {
char buf[1024];
av_strerror(ret, buf, sizeof(buf));
fprintf(stderr, "Error occurred: %s\n", buf);
exit(1);
}
exit(0);
}
int main(int argc, char **argv)
{
//curses
int color_pair;
if(initscr() == NULL){
fprintf(stderr, "init failure\n");
exit(EXIT_FAILURE);
}
/* start_colorは色属性を使用するときは最初に必ず実行する.
initscrの直後に実行するのがよい習慣らしい. */
if(has_colors() == FALSE || start_color() == ERR){
endwin();
fprintf(stderr, "This term seems not to having Color\n");
exit(EXIT_FAILURE);
}
if(signal(SIGINT, sig_handler) == SIG_ERR ||
signal(SIGQUIT, sig_handler) == SIG_ERR){
fprintf(stderr, "signal failure\n");
exit(EXIT_FAILURE);
}
curs_set(0);
/* 色のペアを作る */
color_pair = 1;
for(color_pair = 1; color_pair < 256; color_pair++){
init_pair(color_pair, color_pair, color_pair);
}
refresh();
char filter_descr[10000];
int w, h;
w = 80;//COLS;
h = 25;//LINES;
bak = malloc(sizeof (int) * LINES*COLS+1);
sprintf(filter_descr, "scale=%d:%d", w, h);
int ret;
AVPacket packet;
AVFrame frame;
int got_frame;
if (argc != 2) {
fprintf(stderr, "Usage: %s file\n", argv[0]);
exit(1);
}
avcodec_register_all();
av_register_all();
avfilter_register_all();
if ((ret = open_input_file(argv[1])) < 0)
goto end;
if ((ret = init_filters(filter_descr)) < 0)
goto end;
/* read all packets */
while (1) {
AVFilterBufferRef *picref;
if ((ret = av_read_frame(fmt_ctx, &packet)) < 0)
break;
if (packet.stream_index == video_stream_index) {
avcodec_get_frame_defaults(&frame);
got_frame = 0;
ret = avcodec_decode_video2(dec_ctx, &frame, &got_frame, &packet);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding video\n");
break;
}
if (got_frame) {
frame.pts = av_frame_get_best_effort_timestamp(&frame);
/* push the decoded frame into the filtergraph */
if (av_buffersrc_add_frame(buffersrc_ctx, &frame, 0) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error while feeding the filtergraph\n");
break;
}
/* pull filtered pictures from the filtergraph */
while (repeat_flag) {
ret = av_buffersink_get_buffer_ref(buffersink_ctx, &picref, 0);
if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
break;
if (ret < 0)
goto end;
if (picref) {
display_picref(picref, buffersink_ctx->inputs[0]->time_base);
avfilter_unref_bufferp(&picref);
}
}
}
}
av_free_packet(&packet);
}
end:
endwin();
avfilter_graph_free(&filter_graph);
if (dec_ctx)
avcodec_close(dec_ctx);
avformat_close_input(&fmt_ctx);
if (ret < 0 && ret != AVERROR_EOF) {
char buf[1024];
av_strerror(ret, buf, sizeof(buf));
fprintf(stderr, "Error occurred: %s\n", buf);
exit(1);
}
exit(0);
}
void preloadCodecsAndFormats()
{
av_register_all();
avfilter_register_all();
}
int main(int argc, char **argv)
{
const char *outfilename = NULL;
const char *infilename = NULL;
FILE *outfile = NULL;
FILE *infile = NULL;
char *graph_string = NULL;
AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
char c;
av_log_set_level(AV_LOG_DEBUG);
while ((c = getopt(argc, argv, "hi:o:")) != -1) {
switch (c) {
case 'h':
usage();
return 0;
case 'i':
infilename = optarg;
break;
case 'o':
outfilename = optarg;
break;
case '?':
return 1;
}
}
if (!infilename || !strcmp(infilename, "-"))
infilename = "/dev/stdin";
infile = fopen(infilename, "r");
if (!infile) {
fprintf(stderr, "Impossible to open input file '%s': %s\n",
infilename, strerror(errno));
return 1;
}
if (!outfilename || !strcmp(outfilename, "-"))
outfilename = "/dev/stdout";
outfile = fopen(outfilename, "w");
if (!outfile) {
fprintf(stderr, "Impossible to open output file '%s': %s\n",
outfilename, strerror(errno));
return 1;
}
/* read from infile and put it in a buffer */
{
unsigned int count = 0;
struct line *line, *last_line, *first_line;
char *p;
last_line = first_line = av_malloc(sizeof(struct line));
while (fgets(last_line->data, sizeof(last_line->data), infile)) {
struct line *new_line = av_malloc(sizeof(struct line));
count += strlen(last_line->data);
last_line->next = new_line;
last_line = new_line;
}
last_line->next = NULL;
graph_string = av_malloc(count + 1);
p = graph_string;
for (line = first_line; line->next; line = line->next) {
unsigned int l = strlen(line->data);
memcpy(p, line->data, l);
p += l;
}
*p = '\0';
}
avfilter_register_all();
if (avfilter_graph_parse(graph, graph_string, NULL, NULL, NULL) < 0) {
fprintf(stderr, "Impossible to parse the graph description\n");
return 1;
}
if (avfilter_graph_config(graph, NULL) < 0)
return 1;
print_digraph(outfile, graph);
fflush(outfile);
return 0;
}
int main(int argc, char **argv)
{
char *in_graph_desc, **out_dev_name;
int nb_out_dev = 0, nb_streams = 0;
AVFilterGraph *in_graph = NULL;
Stream *streams = NULL, *st;
AVFrame *frame = NULL;
int i, j, run = 1, ret;
//av_log_set_level(AV_LOG_DEBUG);
if (argc < 3) {
av_log(NULL, AV_LOG_ERROR,
"Usage: %s filter_graph dev:out [dev2:out2...]\n\n"
"Examples:\n"
"%s movie=file.nut:s=v+a xv:- alsa:default\n"
"%s movie=file.nut:s=v+a uncodedframecrc:pipe:0\n",
argv[0], argv[0], argv[0]);
exit(1);
}
in_graph_desc = argv[1];
out_dev_name = argv + 2;
nb_out_dev = argc - 2;
av_register_all();
avdevice_register_all();
avfilter_register_all();
/* Create input graph */
if (!(in_graph = avfilter_graph_alloc())) {
ret = AVERROR(ENOMEM);
av_log(NULL, AV_LOG_ERROR, "Unable to alloc graph graph: %s\n",
av_err2str(ret));
goto fail;
}
ret = avfilter_graph_parse_ptr(in_graph, in_graph_desc, NULL, NULL, NULL);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Unable to parse graph: %s\n",
av_err2str(ret));
goto fail;
}
nb_streams = 0;
for (i = 0; i < in_graph->nb_filters; i++) {
AVFilterContext *f = in_graph->filters[i];
for (j = 0; j < f->nb_inputs; j++) {
if (!f->inputs[j]) {
av_log(NULL, AV_LOG_ERROR, "Graph has unconnected inputs\n");
ret = AVERROR(EINVAL);
goto fail;
}
}
for (j = 0; j < f->nb_outputs; j++)
if (!f->outputs[j])
nb_streams++;
}
if (!nb_streams) {
av_log(NULL, AV_LOG_ERROR, "Graph has no output stream\n");
ret = AVERROR(EINVAL);
goto fail;
}
if (nb_out_dev != 1 && nb_out_dev != nb_streams) {
av_log(NULL, AV_LOG_ERROR,
"Graph has %d output streams, %d devices given\n",
nb_streams, nb_out_dev);
ret = AVERROR(EINVAL);
goto fail;
}
if (!(streams = av_calloc(nb_streams, sizeof(*streams)))) {
ret = AVERROR(ENOMEM);
av_log(NULL, AV_LOG_ERROR, "Could not allocate streams\n");
}
st = streams;
for (i = 0; i < in_graph->nb_filters; i++) {
AVFilterContext *f = in_graph->filters[i];
for (j = 0; j < f->nb_outputs; j++) {
if (!f->outputs[j]) {
if ((ret = create_sink(st++, in_graph, f, j)) < 0)
goto fail;
}
}
}
av_assert0(st - streams == nb_streams);
if ((ret = avfilter_graph_config(in_graph, NULL)) < 0) {
av_log(NULL, AV_LOG_ERROR, "Failed to configure graph\n");
goto fail;
}
/* Create output devices */
for (i = 0; i < nb_out_dev; i++) {
char *fmt = NULL, *dev = out_dev_name[i];
st = &streams[i];
if ((dev = strchr(dev, ':'))) {
*(dev++) = 0;
fmt = out_dev_name[i];
}
ret = avformat_alloc_output_context2(&st->mux, NULL, fmt, dev);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Failed to allocate output: %s\n",
av_err2str(ret));
goto fail;
}
if (!(st->mux->oformat->flags & AVFMT_NOFILE)) {
ret = avio_open2(&st->mux->pb, st->mux->filename, AVIO_FLAG_WRITE,
NULL, NULL);
if (ret < 0) {
av_log(st->mux, AV_LOG_ERROR, "Failed to init output: %s\n",
av_err2str(ret));
goto fail;
}
}
}
for (; i < nb_streams; i++)
streams[i].mux = streams[0].mux;
/* Create output device streams */
for (i = 0; i < nb_streams; i++) {
st = &streams[i];
if (!(st->stream = avformat_new_stream(st->mux, NULL))) {
ret = AVERROR(ENOMEM);
av_log(NULL, AV_LOG_ERROR, "Failed to create output stream\n");
goto fail;
}
st->stream->codec->codec_type = st->link->type;
st->stream->time_base = st->stream->codec->time_base =
st->link->time_base;
switch (st->link->type) {
case AVMEDIA_TYPE_VIDEO:
st->stream->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
st->stream->avg_frame_rate =
st->stream-> r_frame_rate = av_buffersink_get_frame_rate(st->sink);
st->stream->codec->width = st->link->w;
st->stream->codec->height = st->link->h;
st->stream->codec->sample_aspect_ratio = st->link->sample_aspect_ratio;
st->stream->codec->pix_fmt = st->link->format;
break;
case AVMEDIA_TYPE_AUDIO:
st->stream->codec->channel_layout = st->link->channel_layout;
st->stream->codec->channels = avfilter_link_get_channels(st->link);
st->stream->codec->sample_rate = st->link->sample_rate;
st->stream->codec->sample_fmt = st->link->format;
st->stream->codec->codec_id =
av_get_pcm_codec(st->stream->codec->sample_fmt, -1);
break;
default:
av_assert0(!"reached");
}
}
/* Init output devices */
for (i = 0; i < nb_out_dev; i++) {
st = &streams[i];
if ((ret = avformat_write_header(st->mux, NULL)) < 0) {
av_log(st->mux, AV_LOG_ERROR, "Failed to init output: %s\n",
av_err2str(ret));
goto fail;
}
}
/* Check output devices */
for (i = 0; i < nb_streams; i++) {
st = &streams[i];
ret = av_write_uncoded_frame_query(st->mux, st->stream->index);
if (ret < 0) {
av_log(st->mux, AV_LOG_ERROR,
"Uncoded frames not supported on stream #%d: %s\n",
i, av_err2str(ret));
goto fail;
}
}
while (run) {
ret = avfilter_graph_request_oldest(in_graph);
if (ret < 0) {
if (ret == AVERROR_EOF) {
run = 0;
} else {
av_log(NULL, AV_LOG_ERROR, "Error filtering: %s\n",
av_err2str(ret));
break;
}
}
for (i = 0; i < nb_streams; i++) {
st = &streams[i];
while (1) {
if (!frame && !(frame = av_frame_alloc())) {
ret = AVERROR(ENOMEM);
av_log(NULL, AV_LOG_ERROR, "Could not allocate frame\n");
goto fail;
}
ret = av_buffersink_get_frame_flags(st->sink, frame,
AV_BUFFERSINK_FLAG_NO_REQUEST);
if (ret < 0) {
if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
av_log(NULL, AV_LOG_WARNING, "Error in sink: %s\n",
av_err2str(ret));
break;
}
if (frame->pts != AV_NOPTS_VALUE)
frame->pts = av_rescale_q(frame->pts,
st->link ->time_base,
st->stream->time_base);
ret = av_interleaved_write_uncoded_frame(st->mux,
st->stream->index,
frame);
frame = NULL;
if (ret < 0) {
av_log(st->stream->codec, AV_LOG_ERROR,
"Error writing frame: %s\n", av_err2str(ret));
goto fail;
}
}
}
}
ret = 0;
for (i = 0; i < nb_out_dev; i++) {
st = &streams[i];
av_write_trailer(st->mux);
}
fail:
av_frame_free(&frame);
avfilter_graph_free(&in_graph);
if (streams) {
for (i = 0; i < nb_out_dev; i++) {
st = &streams[i];
if (st->mux) {
if (st->mux->pb)
avio_closep(&st->mux->pb);
avformat_free_context(st->mux);
}
}
}
av_freep(&streams);
return ret < 0;
}
int main(int argc, char **argv)
{
AVFilter *filter;
AVFilterContext *filter_ctx;
const char *filter_name;
const char *filter_args = NULL;
int i;
av_log_set_level(AV_LOG_DEBUG);
if (!argv[1]) {
fprintf(stderr, "Missing filter name as argument\n");
return 1;
}
filter_name = argv[1];
if (argv[2])
filter_args = argv[2];
avfilter_register_all();
/* get a corresponding filter and open it */
if (!(filter = avfilter_get_by_name(filter_name))) {
fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
return 1;
}
if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
fprintf(stderr, "Impossible to open filter with name '%s'\n",
filter_name);
return 1;
}
if (avfilter_init_filter(filter_ctx, filter_args, NULL) < 0) {
fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
filter_name, filter_args);
return 1;
}
/* create a link for each of the input pads */
for (i = 0; i < filter_ctx->input_count; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
link->type = filter_ctx->filter->inputs[i].type;
filter_ctx->inputs[i] = link;
}
for (i = 0; i < filter_ctx->output_count; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
link->type = filter_ctx->filter->outputs[i].type;
filter_ctx->outputs[i] = link;
}
if (filter->query_formats)
filter->query_formats(filter_ctx);
else
avfilter_default_query_formats(filter_ctx);
print_formats(filter_ctx);
avfilter_free(filter_ctx);
fflush(stdout);
return 0;
}
/*
* Class: com_jpou_meditor_ffmpeg_trans
* Method: startTrans
* Signature: (Ljava/lang/String;Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL Java_com_jpou_ffmpeg_Transcoding_startTrans
(JNIEnv *env, jobject clazz, jstring input, jstring output) {
int ret;
AVPacket packet = { .data = NULL, .size = 0 };
AVFrame *frame = NULL;
enum AVMediaType type;
unsigned int stream_index;
unsigned int i;
int got_frame;
int (*dec_func)(AVCodecContext *, AVFrame *, int *, const AVPacket *);
char *input_str, *output_str;
input_str = (*env)->GetStringUTFChars(env, input, 0);
output_str = (*env)->GetStringUTFChars(env, output, 0);
LOGI("input_str ~ : %s -------------------", input_str);
LOGI("output_str ~ : %s -------------------", output_str);
if ((input == NULL) || (output == NULL)) {
LOGI("input_str or output_str is null");
return (jboolean)0;
}
av_register_all();
avfilter_register_all();
if ((ret = open_input_file(input_str)) < 0) {
LOGI("open_input_file error");
goto end;
}
if ((ret = open_output_file(output_str)) < 0) {
LOGI("open_output_file error");
goto end;
}
LOGI("init_filters ----------------");
if ((ret = init_filters()) < 0) {
LOGI("init_filters error");
goto end;
}
/* read all packets */
LOGI("start av_read_frame ----------------");
while (1) {
if ((ret = av_read_frame(ifmt_ctx, &packet)) < 0)
break;
stream_index = packet.stream_index;
type = ifmt_ctx->streams[packet.stream_index]->codec->codec_type;
LOGI("Demuxer gave frame of stream_index %u\n",
stream_index);
if (filter_ctx[stream_index].filter_graph) {
av_log(NULL, AV_LOG_DEBUG, "Going to reencode&filter the frame\n");
frame = av_frame_alloc();
if (!frame) {
ret = AVERROR(ENOMEM);
break;
}
av_packet_rescale_ts(&packet,
ifmt_ctx->streams[stream_index]->time_base,
ifmt_ctx->streams[stream_index]->codec->time_base);
dec_func = (type == AVMEDIA_TYPE_VIDEO) ? avcodec_decode_video2 :
avcodec_decode_audio4;
ret = dec_func(ifmt_ctx->streams[stream_index]->codec, frame,
&got_frame, &packet);
if (ret < 0) {
av_frame_free(&frame);
LOGI("Decoding failed\n");
break;
}
if (got_frame) {
frame->pts = av_frame_get_best_effort_timestamp(frame);
ret = filter_encode_write_frame(frame, stream_index);
av_frame_free(&frame);
if (ret < 0)
goto end;
} else {
av_frame_free(&frame);
}
} else {
/* remux this frame without reencoding */
av_packet_rescale_ts(&packet,
ifmt_ctx->streams[stream_index]->time_base,
ofmt_ctx->streams[stream_index]->time_base);
ret = av_interleaved_write_frame(ofmt_ctx, &packet);
if (ret < 0)
goto end;
}
av_free_packet(&packet);
}
/* flush filters and encoders */
for (i = 0; i < ifmt_ctx->nb_streams; i++) {
/* flush filter */
if (!filter_ctx[i].filter_graph)
continue;
ret = filter_encode_write_frame(NULL, i);
if (ret < 0) {
LOGI("Flushing filter failed\n");
goto end;
}
/* flush encoder */
ret = flush_encoder(i);
if (ret < 0) {
LOGI("Flushing encoder failed\n");
goto end;
}
}
av_write_trailer(ofmt_ctx);
return (jboolean)1;
end:
av_free_packet(&packet);
av_frame_free(&frame);
for (i = 0; i < ifmt_ctx->nb_streams; i++) {
avcodec_close(ifmt_ctx->streams[i]->codec);
if (ofmt_ctx && ofmt_ctx->nb_streams > i && ofmt_ctx->streams[i] && ofmt_ctx->streams[i]->codec)
avcodec_close(ofmt_ctx->streams[i]->codec);
if (filter_ctx && filter_ctx[i].filter_graph)
avfilter_graph_free(&filter_ctx[i].filter_graph);
}
av_free(filter_ctx);
avformat_close_input(&ifmt_ctx);
if (ofmt_ctx && !(ofmt_ctx->oformat->flags & AVFMT_NOFILE))
avio_closep(&ofmt_ctx->pb);
avformat_free_context(ofmt_ctx);
/**
if (ret < 0)
av_log(NULL, AV_LOG_ERROR, "Error occurred: %s\n", av_err2str(ret));
*/
return (jboolean)0;
}
#ifdef __cplusplus
}
int main(void) {
avfilter_register_all();
vf_next_query_format();
return 0;
}
int main(int argc, char **argv)
{
const AVFilter *filter;
AVFilterContext *filter_ctx;
AVFilterGraph *graph_ctx;
const char *filter_name;
const char *filter_args = NULL;
int i;
int ret = 0;
av_log_set_level(AV_LOG_DEBUG);
if (argc < 2) {
fprintf(stderr, "Missing filter name as argument\n");
return 1;
}
filter_name = argv[1];
if (argc > 2)
filter_args = argv[2];
/* allocate graph */
graph_ctx = avfilter_graph_alloc();
if (!graph_ctx)
return 1;
avfilter_register_all();
/* get a corresponding filter and open it */
if (!(filter = avfilter_get_by_name(filter_name))) {
fprintf(stderr, "Unrecognized filter with name '%s'\n", filter_name);
return 1;
}
/* open filter and add it to the graph */
if (!(filter_ctx = avfilter_graph_alloc_filter(graph_ctx, filter, filter_name))) {
fprintf(stderr, "Impossible to open filter with name '%s'\n",
filter_name);
return 1;
}
if (avfilter_init_str(filter_ctx, filter_args) < 0) {
fprintf(stderr, "Impossible to init filter '%s' with arguments '%s'\n",
filter_name, filter_args);
return 1;
}
/* create a link for each of the input pads */
for (i = 0; i < filter_ctx->nb_inputs; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
if (!link) {
fprintf(stderr, "Unable to allocate memory for filter input link\n");
ret = 1;
goto fail;
}
link->type = avfilter_pad_get_type(filter_ctx->input_pads, i);
filter_ctx->inputs[i] = link;
}
for (i = 0; i < filter_ctx->nb_outputs; i++) {
AVFilterLink *link = av_mallocz(sizeof(AVFilterLink));
if (!link) {
fprintf(stderr, "Unable to allocate memory for filter output link\n");
ret = 1;
goto fail;
}
link->type = avfilter_pad_get_type(filter_ctx->output_pads, i);
filter_ctx->outputs[i] = link;
}
if (filter->query_formats)
filter->query_formats(filter_ctx);
else
ff_default_query_formats(filter_ctx);
print_formats(filter_ctx);
fail:
avfilter_free(filter_ctx);
avfilter_graph_free(&graph_ctx);
fflush(stdout);
return ret;
}
int main(int argc, char **argv)
{
int ret;
AVPacket packet0, packet;
AVFrame *frame = av_frame_alloc();
AVFrame *filt_frame = av_frame_alloc();
int got_frame;
if (!frame || !filt_frame) {
perror("Could not allocate frame");
exit(1);
}
if (argc != 2) {
fprintf(stderr, "Usage: %s file | %s\n", argv[0], player);
exit(1);
}
avcodec_register_all();
av_register_all();
avfilter_register_all();
if ((ret = open_input_file(argv[1])) < 0)
goto end;
if ((ret = init_filters(filter_descr)) < 0)
goto end;
/* read all packets */
packet0.data = NULL;
packet.data = NULL;
while (1) {
if (!packet0.data) {
if ((ret = av_read_frame(fmt_ctx, &packet)) < 0)
break;
packet0 = packet;
}
if (packet.stream_index == audio_stream_index) {
got_frame = 0;
ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, &packet);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding audio\n");
continue;
}
packet.size -= ret;
packet.data += ret;
if (got_frame) {
/* push the audio data from decoded frame into the filtergraph */
if (av_buffersrc_add_frame_flags(buffersrc_ctx, frame, 0) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error while feeding the audio filtergraph\n");
break;
}
/* pull filtered audio from the filtergraph */
while (1) {
ret = av_buffersink_get_frame(buffersink_ctx, filt_frame);
if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
break;
if (ret < 0)
goto end;
print_frame(filt_frame);
av_frame_unref(filt_frame);
}
}
if (packet.size <= 0)
av_free_packet(&packet0);
} else {
/* discard non-wanted packets */
av_free_packet(&packet0);
}
}
end:
avfilter_graph_free(&filter_graph);
avcodec_close(dec_ctx);
avformat_close_input(&fmt_ctx);
av_frame_free(&frame);
av_frame_free(&filt_frame);
if (ret < 0 && ret != AVERROR_EOF) {
fprintf(stderr, "Error occurred: %s\n", av_err2str(ret));
exit(1);
}
exit(0);
}
int main(int argc, char **argv)
{
int ret;
AVPacket packet = { .data = NULL, .size = 0 };
AVFrame *frame = NULL;
enum AVMediaType type;
unsigned int stream_index;
unsigned int i;
int got_frame;
int (*dec_func)(AVCodecContext *, AVFrame *, int *, const AVPacket *);
if (argc != 3)
{
av_log(NULL, AV_LOG_ERROR, "Usage: %s <input file> <output file>\n", argv[0]);
return 1;
}
av_register_all();
avfilter_register_all();
if ((ret = open_input_file(argv[1])) < 0)
goto end;
if ((ret = open_output_file(argv[2])) < 0)
goto end;
if ((ret = init_filters()) < 0)
goto end;
/* read all packets */
while (1)
{
if ((ret = av_read_frame(ifmt_ctx, &packet)) < 0)
break;
stream_index = packet.stream_index;
type = ifmt_ctx->streams[packet.stream_index]->codec->codec_type;
av_log(NULL, AV_LOG_DEBUG, "Demuxer gave frame of stream_index %u\n",
stream_index);
if (filter_ctx[stream_index].filter_graph)
{
av_log(NULL, AV_LOG_DEBUG, "Going to reencode&filter the frame\n");
frame = av_frame_alloc();
if (!frame)
{
ret = AVERROR(ENOMEM);
break;
}
av_packet_rescale_ts(&packet,
ifmt_ctx->streams[stream_index]->time_base,
ifmt_ctx->streams[stream_index]->codec->time_base);
dec_func = (type == AVMEDIA_TYPE_VIDEO) ? avcodec_decode_video2 :
avcodec_decode_audio4;
ret = dec_func(ifmt_ctx->streams[stream_index]->codec, frame,
&got_frame, &packet);
if (ret < 0)
{
av_frame_free(&frame);
av_log(NULL, AV_LOG_ERROR, "Decoding failed\n");
break;
}
if (got_frame)
{
frame->pts = av_frame_get_best_effort_timestamp(frame);
ret = filter_encode_write_frame(frame, stream_index);
av_frame_free(&frame);
if (ret < 0)
goto end;
}
else
{
av_frame_free(&frame);
}
}
else
{
/* remux this frame without reencoding */
av_packet_rescale_ts(&packet,
ifmt_ctx->streams[stream_index]->time_base,
ofmt_ctx->streams[stream_index]->time_base);
ret = av_interleaved_write_frame(ofmt_ctx, &packet);
if (ret < 0)
goto end;
}
av_packet_unref(&packet);
}
/* flush filters and encoders */
for (i = 0; i < ifmt_ctx->nb_streams; i++)
{
/* flush filter */
if (!filter_ctx[i].filter_graph)
continue;
ret = filter_encode_write_frame(NULL, i);
if (ret < 0)
{
av_log(NULL, AV_LOG_ERROR, "Flushing filter failed\n");
goto end;
}
/* flush encoder */
ret = flush_encoder(i);
if (ret < 0)
{
av_log(NULL, AV_LOG_ERROR, "Flushing encoder failed\n");
goto end;
}
}
av_write_trailer(ofmt_ctx);
end:
av_packet_unref(&packet);
av_frame_free(&frame);
for (i = 0; i < ifmt_ctx->nb_streams; i++)
{
avcodec_close(ifmt_ctx->streams[i]->codec);
if (ofmt_ctx && ofmt_ctx->nb_streams > i && ofmt_ctx->streams[i] && ofmt_ctx->streams[i]->codec)
avcodec_close(ofmt_ctx->streams[i]->codec);
if (filter_ctx && filter_ctx[i].filter_graph)
avfilter_graph_free(&filter_ctx[i].filter_graph);
}
av_free(filter_ctx);
avformat_close_input(&ifmt_ctx);
if (ofmt_ctx && !(ofmt_ctx->oformat->flags & AVFMT_NOFILE))
avio_closep(&ofmt_ctx->pb);
avformat_free_context(ofmt_ctx);
if (ret < 0)
av_log(NULL, AV_LOG_ERROR, "Error occurred: %s\n", av_err2str(ret));
return ret ? 1 : 0;
}
//
// Initilaise all the software codecs
//
int an_init_codecs( void )
{
sys_config info;
av_register_all();
avfilter_register_all();
dvb_config_get( &info );
av_init_packet(&m_avpkt[ENVC]);
m_avpkt[ENVC].data = NULL;
m_avpkt[ENVC].size = 0;
// 25 frames per sec, every 40 ms
m_video_timestamp_delta = ((0.04*27000000.0)/300.0);
// New audio packet sent every 24 ms
m_audio_timestamp_delta = ((0.024*27000000.0)/300.0);
AVCodec *codec = avcodec_find_encoder(AV_CODEC_ID_MPEG2VIDEO);
if(codec != NULL)
{
m_pC[ENVC] = avcodec_alloc_context3(codec);
m_pC[ENVC]->bit_rate = info.video_bitrate;
m_pC[ENVC]->bit_rate_tolerance = info.video_bitrate/10;
m_pC[ENVC]->width = m_width;
m_pC[ENVC]->height = m_height;
m_pC[ENVC]->gop_size = 12;
m_pC[ENVC]->max_b_frames = 0;
m_pC[ENVC]->me_method = 5;
m_pC[ENVC]->pix_fmt = AV_PIX_FMT_YUV420P;
m_pC[ENVC]->time_base = (AVRational){1,25};
m_pC[ENVC]->ticks_per_frame = 2;// MPEG2 & 4
m_pC[ENVC]->profile = FF_PROFILE_MPEG2_MAIN;
m_pC[ENVC]->thread_count = 1;
if(avcodec_open2(m_pC[ENVC], codec, NULL)<0)
{
loggerf("Unable to open MPEG2 Codec");
return -1;
}
}
else
{
loggerf("MPEG2 Codec not found");
return -1;
}
//
// Audio
//
av_init_packet( &m_avpkt[ENAC] );
//
// Must be set to 48000, 2 chan
//
// Size in bytes 2 channels, 16 bits 1/25 sec
codec = avcodec_find_encoder(AV_CODEC_ID_MP2);
if( codec != NULL )
{
m_pC[ENAC] = avcodec_alloc_context3(codec);
m_pC[ENAC]->bit_rate = info.audio_bitrate;
m_pC[ENAC]->bit_rate_tolerance = 0;
m_pC[ENAC]->bits_per_raw_sample = 16;
m_pC[ENAC]->sample_rate = 48000;
m_pC[ENAC]->channels = 2;
m_pC[ENAC]->sample_fmt = AV_SAMPLE_FMT_S16;
m_pC[ENAC]->channel_layout = AV_CH_LAYOUT_STEREO;
m_pC[ENAC]->thread_count = 1;
if(avcodec_open2(m_pC[ENAC], codec, NULL)<0 )
{
loggerf("Unable to open MPEG1 codec");
return -1;
}
// 16 bit samples & stereo so multiply by 4
m_sound_capture_buf_size = m_pC[ENAC]->frame_size*4;
an_set_audio_size();
}
return 0;
}
