static int nb_frames_drop = 0;
-
+static int want_sdp = 1;
#if HAVE_PTHREADS
/* signal to input threads that they should exit; set by the main thread */
FilterGraph *fg = filtergraphs[i];
avfilter_graph_free(&fg->graph);
for (j = 0; j < fg->nb_inputs; j++) {
+ while (av_fifo_size(fg->inputs[j]->frame_queue)) {
+ AVFrame *frame;
+ av_fifo_generic_read(fg->inputs[j]->frame_queue, &frame,
+ sizeof(frame), NULL);
+ av_frame_free(&frame);
+ }
+ av_fifo_free(fg->inputs[j]->frame_queue);
+ av_buffer_unref(&fg->inputs[j]->hw_frames_ctx);
av_freep(&fg->inputs[j]->name);
av_freep(&fg->inputs[j]);
}
av_freep(&fg->inputs);
for (j = 0; j < fg->nb_outputs; j++) {
av_freep(&fg->outputs[j]->name);
+ av_freep(&fg->outputs[j]->formats);
+ av_freep(&fg->outputs[j]->channel_layouts);
+ av_freep(&fg->outputs[j]->sample_rates);
av_freep(&fg->outputs[j]);
}
av_freep(&fg->outputs);
avcodec_free_context(&ost->enc_ctx);
+ if (ost->muxing_queue) {
+ while (av_fifo_size(ost->muxing_queue)) {
+ AVPacket pkt;
+ av_log(NULL, AV_LOG_INFO, "after av_fifo_size()\n");
+ av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
+ av_packet_unref(&pkt);
+ }
+ av_fifo_free(ost->muxing_queue);
+ }
av_freep(&output_streams[i]);
}
for (i = 0; i < nb_input_files; i++) {
exit_program(1);
}
-static void write_packet(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
+static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
{
+ AVFormatContext *s = of->ctx;
AVStream *st = ost->st;
int ret;
+ if (!of->header_written) {
+ AVPacket tmp_pkt;
+ /* the muxer is not initialized yet, buffer the packet */
+ if (!av_fifo_space(ost->muxing_queue)) {
+ int new_size = FFMIN(2 * av_fifo_size(ost->muxing_queue),
+ ost->max_muxing_queue_size);
+ if (new_size <= av_fifo_size(ost->muxing_queue)) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Too many packets buffered for output stream %d:%d.\n",
+ ost->file_index, ost->st->index);
+ exit_program(1);
+ }
+ ret = av_fifo_realloc2(ost->muxing_queue, new_size);
+ if (ret < 0)
+ exit_program(1);
+ }
+ av_packet_move_ref(&tmp_pkt, pkt);
+ av_fifo_generic_write(ost->muxing_queue, &tmp_pkt, sizeof(tmp_pkt), NULL);
+ return;
+ }
+
/*
* Audio encoders may split the packets -- #frames in != #packets out.
* But there is no reordering, so we can limit the number of output packets
if (ost->frame_rate.num) {
pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
- ost->st->time_base);
+ ost->mux_timebase);
}
}
ost->packets_written++;
pkt->stream_index = ost->index;
+ av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
+
ret = av_interleaved_write_frame(s, pkt);
if (ret < 0) {
print_error("av_interleaved_write_frame()", ret);
}
}
-static void output_packet(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
+static void output_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
{
int ret = 0;
goto finish;
idx++;
} else
- write_packet(s, pkt, ost);
+ write_packet(of, pkt, ost);
}
} else
- write_packet(s, pkt, ost);
+ write_packet(of, pkt, ost);
finish:
if (ret < 0 && ret != AVERROR_EOF) {
return 1;
}
-static void do_audio_out(AVFormatContext *s, OutputStream *ost,
+static void do_audio_out(OutputFile *of, OutputStream *ost,
AVFrame *frame)
{
AVCodecContext *enc = ost->enc_ctx;
if (ret < 0)
goto error;
- av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
- output_packet(s, &pkt, ost);
+ output_packet(of, &pkt, ost);
}
return;
exit_program(1);
}
-static void do_subtitle_out(AVFormatContext *s,
+static void do_subtitle_out(OutputFile *of,
OutputStream *ost,
InputStream *ist,
AVSubtitle *sub,
av_init_packet(&pkt);
pkt.data = subtitle_out;
pkt.size = subtitle_out_size;
- pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
+ pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->mux_timebase);
if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
/* XXX: the pts correction is handled here. Maybe handling
it in the codec would be better */
else
pkt.pts += 90 * sub->end_display_time;
}
- output_packet(s, &pkt, ost);
+ output_packet(of, &pkt, ost);
}
}
-static void do_video_out(AVFormatContext *s,
+static void do_video_out(OutputFile *of,
OutputStream *ost,
AVFrame *in_picture,
int *frame_size)
format_video_sync = video_sync_method;
if (format_video_sync == VSYNC_AUTO)
- format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
- (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
+ format_video_sync = (of->ctx->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
+ (of->ctx->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
if (format_video_sync != VSYNC_PASSTHROUGH &&
ost->frame_number &&
in_picture->pts != AV_NOPTS_VALUE &&
if (ret < 0)
goto error;
- av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
- output_packet(s, &pkt, ost);
+ output_packet(of, &pkt, ost);
*frame_size = pkt.size;
/* if two pass, output log */
}
}
+static int init_output_stream(OutputStream *ost, char *error, int error_len);
+
/*
* Read one frame for lavfi output for ost and encode it.
*/
}
filtered_frame = ost->filtered_frame;
+ if (!ost->initialized) {
+ char error[1024];
+ ret = init_output_stream(ost, error, sizeof(error));
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
+ ost->file_index, ost->index, error);
+ exit_program(1);
+ }
+ }
+
if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
!(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
if (!ost->frame_aspect_ratio)
ost->enc_ctx->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
- do_video_out(of->ctx, ost, filtered_frame, &frame_size);
+ do_video_out(of, ost, filtered_frame, &frame_size);
if (vstats_filename && frame_size)
do_video_stats(ost, frame_size);
break;
case AVMEDIA_TYPE_AUDIO:
- do_audio_out(of->ctx, ost, filtered_frame);
+ do_audio_out(of, ost, filtered_frame);
break;
default:
// TODO support subtitle filters
for (i = 0; i < nb_output_streams; i++) {
int64_t pts = output_streams[i]->sync_opts;
- if (!output_streams[i]->filter || output_streams[i]->finished)
+ if (output_streams[i]->filter && !output_streams[i]->filter->graph->graph &&
+ !output_streams[i]->filter->graph->nb_inputs) {
+ ret = configure_filtergraph(output_streams[i]->filter->graph);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
+ return ret;
+ }
+ }
+
+ if (!output_streams[i]->filter || output_streams[i]->finished ||
+ !output_streams[i]->filter->graph->graph)
continue;
pts = av_rescale_q(pts, output_streams[i]->enc_ctx->time_base,
vid = 1;
}
/* compute min output value */
- pts = (double)ost->last_mux_dts * av_q2d(ost->st->time_base);
+ pts = (double)ost->last_mux_dts * av_q2d(ost->mux_timebase);
if ((pts < ti1) && (pts > 0))
ti1 = pts;
}
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
AVCodecContext *enc = ost->enc_ctx;
- AVFormatContext *os = output_files[ost->file_index]->ctx;
+ OutputFile *of = output_files[ost->file_index];
int stop_encoding = 0;
if (!ost->encoding_needed)
stop_encoding = 1;
break;
}
- av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
- output_packet(os, &pkt, ost);
+ output_packet(of, &pkt, ost);
}
if (stop_encoding)
OutputFile *of = output_files[ost->file_index];
InputFile *f = input_files [ist->file_index];
int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
- int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
+ int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->mux_timebase);
AVPacket opkt;
av_init_packet(&opkt);
ost->sync_opts++;
if (pkt->pts != AV_NOPTS_VALUE)
- opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
+ opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->mux_timebase) - ost_tb_start_time;
else
opkt.pts = AV_NOPTS_VALUE;
if (pkt->dts == AV_NOPTS_VALUE)
- opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
+ opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->mux_timebase);
else
- opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
+ opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->mux_timebase);
opkt.dts -= ost_tb_start_time;
- opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
+ opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->mux_timebase);
opkt.flags = pkt->flags;
// FIXME remove the following 2 lines they shall be replaced by the bitstream filters
opkt.size = pkt->size;
}
- output_packet(of->ctx, &opkt, ost);
+ output_packet(of, &opkt, ost);
+}
+
+static int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame)
+{
+ FilterGraph *fg = ifilter->graph;
+ int need_reinit, ret, i;
+
+ /* determine if the parameters for this input changed */
+ need_reinit = ifilter->format != frame->format;
+ if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
+ (ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
+ need_reinit = 1;
+
+ switch (ifilter->ist->st->codecpar->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ need_reinit |= ifilter->sample_rate != frame->sample_rate ||
+ ifilter->channel_layout != frame->channel_layout;
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ need_reinit |= ifilter->width != frame->width ||
+ ifilter->height != frame->height;
+ break;
+ }
+
+ if (need_reinit) {
+ ret = ifilter_parameters_from_frame(ifilter, frame);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* (re)init the graph if possible, otherwise buffer the frame and return */
+ if (need_reinit || !fg->graph) {
+ for (i = 0; i < fg->nb_inputs; i++) {
+ if (fg->inputs[i]->format < 0) {
+ AVFrame *tmp = av_frame_clone(frame);
+ if (!tmp)
+ return AVERROR(ENOMEM);
+ av_frame_unref(frame);
+
+ if (!av_fifo_space(ifilter->frame_queue)) {
+ ret = av_fifo_realloc2(ifilter->frame_queue, 2 * av_fifo_size(ifilter->frame_queue));
+ if (ret < 0)
+ return ret;
+ }
+ av_fifo_generic_write(ifilter->frame_queue, &tmp, sizeof(tmp), NULL);
+ return 0;
+ }
+ }
+
+ ret = poll_filters();
+ if (ret < 0 && ret != AVERROR_EOF) {
+ char errbuf[128];
+ av_strerror(ret, errbuf, sizeof(errbuf));
+
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
+ return ret;
+ }
+
+ ret = configure_filtergraph(fg);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
+ return ret;
+ }
+ }
+
+ ret = av_buffersrc_add_frame(ifilter->filter, frame);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error while filtering\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ifilter_send_eof(InputFilter *ifilter)
+{
+ int i, j, ret;
+
+ ifilter->eof = 1;
+
+ if (ifilter->filter) {
+ ret = av_buffersrc_add_frame(ifilter->filter, NULL);
+ if (ret < 0)
+ return ret;
+ } else {
+ // the filtergraph was never configured
+ FilterGraph *fg = ifilter->graph;
+ for (i = 0; i < fg->nb_inputs; i++)
+ if (!fg->inputs[i]->eof)
+ break;
+ if (i == fg->nb_inputs) {
+ // All the input streams have finished without the filtergraph
+ // ever being configured.
+ // Mark the output streams as finished.
+ for (j = 0; j < fg->nb_outputs; j++)
+ finish_output_stream(fg->outputs[j]->ost);
+ }
+ }
+
+ return 0;
}
// This does not quite work like avcodec_decode_audio4/avcodec_decode_video2.
{
AVFrame *decoded_frame, *f;
AVCodecContext *avctx = ist->dec_ctx;
- int i, ret, err = 0, resample_changed;
+ int i, ret, err = 0;
if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
return AVERROR(ENOMEM);
decoded_frame->pts = pkt->pts;
}
- resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
- ist->resample_channels != avctx->channels ||
- ist->resample_channel_layout != decoded_frame->channel_layout ||
- ist->resample_sample_rate != decoded_frame->sample_rate;
- if (resample_changed) {
- char layout1[64], layout2[64];
-
- if (!guess_input_channel_layout(ist)) {
- av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
- "layout for Input Stream #%d.%d\n", ist->file_index,
- ist->st->index);
- exit_program(1);
- }
- decoded_frame->channel_layout = avctx->channel_layout;
-
- av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
- ist->resample_channel_layout);
- av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
- decoded_frame->channel_layout);
-
- av_log(NULL, AV_LOG_INFO,
- "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
- ist->file_index, ist->st->index,
- ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
- ist->resample_channels, layout1,
- decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
- avctx->channels, layout2);
-
- ist->resample_sample_fmt = decoded_frame->format;
- ist->resample_sample_rate = decoded_frame->sample_rate;
- ist->resample_channel_layout = decoded_frame->channel_layout;
- ist->resample_channels = avctx->channels;
-
- for (i = 0; i < nb_filtergraphs; i++)
- if (ist_in_filtergraph(filtergraphs[i], ist) &&
- configure_filtergraph(filtergraphs[i]) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
- exit_program(1);
- }
- }
-
if (decoded_frame->pts != AV_NOPTS_VALUE)
decoded_frame->pts = av_rescale_q(decoded_frame->pts,
ist->st->time_base,
} else
f = decoded_frame;
- err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
+ err = ifilter_send_frame(ist->filters[i], f);
if (err < 0)
break;
}
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
{
AVFrame *decoded_frame, *f;
- int i, ret = 0, err = 0, resample_changed;
+ int i, ret = 0, err = 0;
if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
return AVERROR(ENOMEM);
}
ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
- decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
+ decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pts,
decoded_frame->pkt_dts);
+ if (ist->framerate.num)
+ decoded_frame->pts = ist->cfr_next_pts++;
if (ist->st->sample_aspect_ratio.num)
decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
- resample_changed = ist->resample_width != decoded_frame->width ||
- ist->resample_height != decoded_frame->height ||
- ist->resample_pix_fmt != decoded_frame->format;
- if (resample_changed) {
- av_log(NULL, AV_LOG_INFO,
- "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
- ist->file_index, ist->st->index,
- ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
- decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
-
- ret = poll_filters();
- if (ret < 0 && ret != AVERROR_EOF) {
- char errbuf[128];
- av_strerror(ret, errbuf, sizeof(errbuf));
-
- av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
- }
-
- ist->resample_width = decoded_frame->width;
- ist->resample_height = decoded_frame->height;
- ist->resample_pix_fmt = decoded_frame->format;
-
- for (i = 0; i < nb_filtergraphs; i++)
- if (ist_in_filtergraph(filtergraphs[i], ist) &&
- configure_filtergraph(filtergraphs[i]) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
- exit_program(1);
- }
- }
-
for (i = 0; i < ist->nb_filters; i++) {
if (i < ist->nb_filters - 1) {
f = ist->filter_frame;
} else
f = decoded_frame;
- err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
+ err = ifilter_send_frame(ist->filters[i], f);
if (err < 0)
break;
}
if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
continue;
- do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
+ do_subtitle_out(output_files[ost->file_index], ost, ist, &subtitle, pkt->pts);
}
avsubtitle_free(&subtitle);
{
int i, ret;
for (i = 0; i < ist->nb_filters; i++) {
- ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
+ ret = ifilter_send_eof(ist->filters[i]);
if (ret < 0)
return ret;
}
{
char sdp[16384];
int i;
- AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
+ AVFormatContext **avc;
+
+ for (i = 0; i < nb_output_files; i++) {
+ if (!output_files[i]->header_written)
+ return;
+ }
+ avc = av_malloc(sizeof(*avc) * nb_output_files);
if (!avc)
exit_program(1);
for (i = 0; i < nb_output_files; i++)
}
continue;
}
+
+ if (ist->hw_frames_ctx) {
+ s->hw_frames_ctx = av_buffer_ref(ist->hw_frames_ctx);
+ if (!s->hw_frames_ctx)
+ return AV_PIX_FMT_NONE;
+ }
+
ist->active_hwaccel_id = hwaccel->id;
ist->hwaccel_pix_fmt = *p;
break;
{
int ret;
InputStream *ist = input_streams[ist_index];
+
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
if (!codec) {
return NULL;
}
+/* open the muxer when all the streams are initialized */
+static int check_init_output_file(OutputFile *of, int file_index)
+{
+ int ret, i;
+
+ for (i = 0; i < of->ctx->nb_streams; i++) {
+ OutputStream *ost = output_streams[of->ost_index + i];
+ if (!ost->initialized)
+ return 0;
+ }
+
+ of->ctx->interrupt_callback = int_cb;
+
+ ret = avformat_write_header(of->ctx, &of->opts);
+ if (ret < 0) {
+ char errbuf[128];
+
+ av_strerror(ret, errbuf, sizeof(errbuf));
+
+ av_log(NULL, AV_LOG_ERROR,
+ "Could not write header for output file #%d "
+ "(incorrect codec parameters ?): %s",
+ file_index, errbuf);
+ return ret;
+ }
+ assert_avoptions(of->opts);
+ of->header_written = 1;
+
+ av_dump_format(of->ctx, file_index, of->ctx->filename, 1);
+
+ if (want_sdp)
+ print_sdp();
+
+ /* flush the muxing queues */
+ for (i = 0; i < of->ctx->nb_streams; i++) {
+ OutputStream *ost = output_streams[of->ost_index + i];
+
+ while (av_fifo_size(ost->muxing_queue)) {
+ AVPacket pkt;
+ av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
+ write_packet(of, &pkt, ost);
+ }
+ }
+
+ return 0;
+}
+
static int init_output_bsfs(OutputStream *ost)
{
AVBSFContext *ctx;
return 0;
}
+static int init_output_stream_streamcopy(OutputStream *ost)
+{
+ OutputFile *of = output_files[ost->file_index];
+ InputStream *ist = get_input_stream(ost);
+ AVCodecParameters *par_dst = ost->st->codecpar;
+ AVCodecParameters *par_src = ist->st->codecpar;
+ AVRational sar;
+ uint32_t codec_tag = par_dst->codec_tag;
+ int i, ret;
+
+ if (!codec_tag) {
+ if (!of->ctx->oformat->codec_tag ||
+ av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
+ av_codec_get_tag(of->ctx->oformat->codec_tag, par_src->codec_id) <= 0)
+ codec_tag = par_src->codec_tag;
+ }
+
+ ret = avcodec_parameters_copy(par_dst, par_src);
+ if (ret < 0)
+ return ret;
+
+ par_dst->codec_tag = codec_tag;
+
+ ost->st->disposition = ist->st->disposition;
+
+ ost->st->time_base = ist->st->time_base;
+
+ if (ist->st->nb_side_data) {
+ ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
+ sizeof(*ist->st->side_data));
+ if (!ost->st->side_data)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < ist->st->nb_side_data; i++) {
+ const AVPacketSideData *sd_src = &ist->st->side_data[i];
+ AVPacketSideData *sd_dst = &ost->st->side_data[i];
+
+ sd_dst->data = av_malloc(sd_src->size);
+ if (!sd_dst->data)
+ return AVERROR(ENOMEM);
+ memcpy(sd_dst->data, sd_src->data, sd_src->size);
+ sd_dst->size = sd_src->size;
+ sd_dst->type = sd_src->type;
+ ost->st->nb_side_data++;
+ }
+ }
+
+ ost->parser = av_parser_init(par_dst->codec_id);
+ ost->parser_avctx = avcodec_alloc_context3(NULL);
+ if (!ost->parser_avctx)
+ return AVERROR(ENOMEM);
+
+ if (par_dst->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (ost->frame_aspect_ratio)
+ sar = av_d2q(ost->frame_aspect_ratio * par_dst->height / par_dst->width, 255);
+ else if (ist->st->sample_aspect_ratio.num)
+ sar = ist->st->sample_aspect_ratio;
+ else
+ sar = par_src->sample_aspect_ratio;
+ ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
+ }
+
+ return 0;
+}
+
+static void set_encoder_id(OutputFile *of, OutputStream *ost)
+{
+ AVDictionaryEntry *e;
+
+ uint8_t *encoder_string;
+ int encoder_string_len;
+ int format_flags = 0;
+
+ e = av_dict_get(of->opts, "fflags", NULL, 0);
+ if (e) {
+ const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
+ if (!o)
+ return;
+ av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
+ }
+
+ encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
+ encoder_string = av_mallocz(encoder_string_len);
+ if (!encoder_string)
+ exit_program(1);
+
+ if (!(format_flags & AVFMT_FLAG_BITEXACT))
+ av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
+ av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
+ av_dict_set(&ost->st->metadata, "encoder", encoder_string,
+ AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
+}
+
+static void parse_forced_key_frames(char *kf, OutputStream *ost,
+ AVCodecContext *avctx)
+{
+ char *p;
+ int n = 1, i;
+ int64_t t;
+
+ for (p = kf; *p; p++)
+ if (*p == ',')
+ n++;
+ ost->forced_kf_count = n;
+ ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
+ if (!ost->forced_kf_pts) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
+ exit_program(1);
+ }
+
+ p = kf;
+ for (i = 0; i < n; i++) {
+ char *next = strchr(p, ',');
+
+ if (next)
+ *next++ = 0;
+
+ t = parse_time_or_die("force_key_frames", p, 1);
+ ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+
+ p = next;
+ }
+}
+
+static int init_output_stream_encode(OutputStream *ost)
+{
+ InputStream *ist = get_input_stream(ost);
+ AVCodecContext *enc_ctx = ost->enc_ctx;
+ AVCodecContext *dec_ctx = NULL;
+
+ set_encoder_id(output_files[ost->file_index], ost);
+
+ if (ist) {
+ ost->st->disposition = ist->st->disposition;
+
+ dec_ctx = ist->dec_ctx;
+
+ enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
+ enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
+ }
+
+ switch (enc_ctx->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
+ enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
+ enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
+ enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
+ enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
+
+ enc_ctx->width = ost->filter->filter->inputs[0]->w;
+ enc_ctx->height = ost->filter->filter->inputs[0]->h;
+ enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
+ ost->frame_aspect_ratio ? // overridden by the -aspect cli option
+ av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
+ ost->filter->filter->inputs[0]->sample_aspect_ratio;
+ enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
+
+ ost->st->avg_frame_rate = ost->frame_rate;
+
+ if (dec_ctx &&
+ (enc_ctx->width != dec_ctx->width ||
+ enc_ctx->height != dec_ctx->height ||
+ enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
+ enc_ctx->bits_per_raw_sample = 0;
+ }
+
+ if (ost->forced_keyframes)
+ parse_forced_key_frames(ost->forced_keyframes, ost,
+ ost->enc_ctx);
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ enc_ctx->time_base = (AVRational){1, 1000};
+ break;
+ default:
+ abort();
+ break;
+ }
+
+ return 0;
+}
+
static int init_output_stream(OutputStream *ost, char *error, int error_len)
{
int ret = 0;
AVCodecContext *dec = NULL;
InputStream *ist;
+ ret = init_output_stream_encode(ost);
+ if (ret < 0)
+ return ret;
+
if ((ist = get_input_stream(ost)))
dec = ist->dec_ctx;
if (dec && dec->subtitle_header) {
ost->st->time_base = ost->enc_ctx->time_base;
} else if (ost->stream_copy) {
- ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
+ ret = init_output_stream_streamcopy(ost);
if (ret < 0)
return ret;
if (ret < 0)
return ret;
- return ret;
-}
+ ost->mux_timebase = ost->st->time_base;
-static void parse_forced_key_frames(char *kf, OutputStream *ost,
- AVCodecContext *avctx)
-{
- char *p;
- int n = 1, i;
- int64_t t;
-
- for (p = kf; *p; p++)
- if (*p == ',')
- n++;
- ost->forced_kf_count = n;
- ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
- if (!ost->forced_kf_pts) {
- av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
- exit_program(1);
- }
+ ost->initialized = 1;
- p = kf;
- for (i = 0; i < n; i++) {
- char *next = strchr(p, ',');
-
- if (next)
- *next++ = 0;
-
- t = parse_time_or_die("force_key_frames", p, 1);
- ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
-
- p = next;
- }
-}
-
-static void set_encoder_id(OutputFile *of, OutputStream *ost)
-{
- AVDictionaryEntry *e;
-
- uint8_t *encoder_string;
- int encoder_string_len;
- int format_flags = 0;
-
- e = av_dict_get(of->opts, "fflags", NULL, 0);
- if (e) {
- const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
- if (!o)
- return;
- av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
- }
-
- encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
- encoder_string = av_mallocz(encoder_string_len);
- if (!encoder_string)
- exit_program(1);
+ ret = check_init_output_file(output_files[ost->file_index], ost->file_index);
+ if (ret < 0)
+ return ret;
- if (!(format_flags & AVFMT_FLAG_BITEXACT))
- av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
- av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
- av_dict_set(&ost->st->metadata, "encoder", encoder_string,
- AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
+ return ret;
}
static int transcode_init(void)
{
int ret = 0, i, j, k;
- AVFormatContext *oc;
OutputStream *ost;
InputStream *ist;
char error[1024];
- int want_sdp = 1;
/* init framerate emulation */
for (i = 0; i < nb_input_files; i++) {
input_streams[j + ifile->ist_index]->start = av_gettime_relative();
}
- /* for each output stream, we compute the right encoding parameters */
- for (i = 0; i < nb_output_streams; i++) {
- ost = output_streams[i];
- oc = output_files[ost->file_index]->ctx;
- ist = get_input_stream(ost);
-
- if (ost->attachment_filename)
- continue;
-
- if (ist) {
- ost->st->disposition = ist->st->disposition;
- }
-
- if (ost->stream_copy) {
- AVCodecParameters *par_dst = ost->st->codecpar;
- AVCodecParameters *par_src = ist->st->codecpar;
- AVRational sar;
- uint64_t extra_size;
-
- av_assert0(ist && !ost->filter);
-
- extra_size = (uint64_t)par_src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
-
- if (extra_size > INT_MAX) {
- return AVERROR(EINVAL);
- }
-
- /* if stream_copy is selected, no need to decode or encode */
- par_dst->codec_id = par_src->codec_id;
- par_dst->codec_type = par_src->codec_type;
-
- if (!par_dst->codec_tag) {
- if (!oc->oformat->codec_tag ||
- av_codec_get_id (oc->oformat->codec_tag, par_src->codec_tag) == par_dst->codec_id ||
- av_codec_get_tag(oc->oformat->codec_tag, par_src->codec_id) <= 0)
- par_dst->codec_tag = par_src->codec_tag;
- }
-
- par_dst->bit_rate = par_src->bit_rate;
- par_dst->field_order = par_src->field_order;
- par_dst->chroma_location = par_src->chroma_location;
- if (par_src->extradata != NULL) {
- par_dst->extradata = av_mallocz(extra_size);
- if (!par_dst->extradata) {
- return AVERROR(ENOMEM);
- }
- memcpy(par_dst->extradata, par_src->extradata,
- par_src->extradata_size);
- par_dst->extradata_size = par_src->extradata_size;
- }
-
- ost->st->time_base = ist->st->time_base;
-
- if (ist->st->nb_side_data) {
- ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
- sizeof(*ist->st->side_data));
- if (!ost->st->side_data)
- return AVERROR(ENOMEM);
-
- for (j = 0; j < ist->st->nb_side_data; j++) {
- const AVPacketSideData *sd_src = &ist->st->side_data[j];
- AVPacketSideData *sd_dst = &ost->st->side_data[j];
-
- sd_dst->data = av_malloc(sd_src->size);
- if (!sd_dst->data)
- return AVERROR(ENOMEM);
- memcpy(sd_dst->data, sd_src->data, sd_src->size);
- sd_dst->size = sd_src->size;
- sd_dst->type = sd_src->type;
- ost->st->nb_side_data++;
- }
- }
-
- ost->parser = av_parser_init(par_dst->codec_id);
- ost->parser_avctx = avcodec_alloc_context3(NULL);
- if (!ost->parser_avctx)
- return AVERROR(ENOMEM);
-
- switch (par_dst->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- if (audio_volume != 256) {
- av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
- exit_program(1);
- }
- par_dst->channel_layout = par_src->channel_layout;
- par_dst->sample_rate = par_src->sample_rate;
- par_dst->channels = par_src->channels;
- par_dst->block_align = par_src->block_align;
- break;
- case AVMEDIA_TYPE_VIDEO:
- par_dst->format = par_src->format;
- par_dst->width = par_src->width;
- par_dst->height = par_src->height;
- if (ost->frame_aspect_ratio)
- sar = av_d2q(ost->frame_aspect_ratio * par_dst->height / par_dst->width, 255);
- else if (ist->st->sample_aspect_ratio.num)
- sar = ist->st->sample_aspect_ratio;
- else
- sar = par_src->sample_aspect_ratio;
- ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- par_dst->width = par_src->width;
- par_dst->height = par_src->height;
- break;
- case AVMEDIA_TYPE_DATA:
- case AVMEDIA_TYPE_ATTACHMENT:
- break;
- default:
- abort();
- }
- } else {
- AVCodecContext *enc_ctx = ost->enc_ctx;
- AVCodecContext *dec_ctx = NULL;
-
- set_encoder_id(output_files[ost->file_index], ost);
-
- if (ist) {
- dec_ctx = ist->dec_ctx;
-
- enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
- enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
- }
-
- /*
- * We want CFR output if and only if one of those is true:
- * 1) user specified output framerate with -r
- * 2) user specified -vsync cfr
- * 3) output format is CFR and the user didn't force vsync to
- * something else than CFR
- *
- * in such a case, set ost->frame_rate
- */
- if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO &&
- !ost->frame_rate.num && ist &&
- (video_sync_method == VSYNC_CFR ||
- (video_sync_method == VSYNC_AUTO &&
- !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
- if (ist->framerate.num)
- ost->frame_rate = ist->framerate;
- else if (ist->st->avg_frame_rate.num)
- ost->frame_rate = ist->st->avg_frame_rate;
- else {
- av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
- "for the output stream #%d:%d, but no information "
- "about the input framerate is available. Falling "
- "back to a default value of 25fps. Use the -r option "
- "if you want a different framerate.\n",
- ost->file_index, ost->index);
- ost->frame_rate = (AVRational){ 25, 1 };
- }
-
- if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
- int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
- ost->frame_rate = ost->enc->supported_framerates[idx];
- }
- }
-
-#if CONFIG_LIBMFX
- if (qsv_transcode_init(ost))
- exit_program(1);
-#endif
-
- if ((enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
- enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
- filtergraph_is_simple(ost->filter->graph)) {
- FilterGraph *fg = ost->filter->graph;
- if (configure_filtergraph(fg)) {
- av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
- exit_program(1);
- }
- }
-
- switch (enc_ctx->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
- enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
- enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
- enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
- enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
- break;
- case AVMEDIA_TYPE_VIDEO:
- enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
-
- enc_ctx->width = ost->filter->filter->inputs[0]->w;
- enc_ctx->height = ost->filter->filter->inputs[0]->h;
- enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
- ost->frame_aspect_ratio ? // overridden by the -aspect cli option
- av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
- ost->filter->filter->inputs[0]->sample_aspect_ratio;
- enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
-
- ost->st->avg_frame_rate = ost->frame_rate;
-
- if (dec_ctx &&
- (enc_ctx->width != dec_ctx->width ||
- enc_ctx->height != dec_ctx->height ||
- enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
- enc_ctx->bits_per_raw_sample = 0;
- }
-
- if (ost->forced_keyframes)
- parse_forced_key_frames(ost->forced_keyframes, ost,
- ost->enc_ctx);
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- enc_ctx->time_base = (AVRational){1, 1000};
- break;
- default:
- abort();
- break;
- }
- }
- }
-
/* init input streams */
for (i = 0; i < nb_input_streams; i++)
if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
/* open each encoder */
for (i = 0; i < nb_output_streams; i++) {
+ // skip streams fed from filtergraphs until we have a frame for them
+ if (output_streams[i]->filter)
+ continue;
+
ret = init_output_stream(output_streams[i], error, sizeof(error));
if (ret < 0)
goto dump_format;
}
}
- /* open files and write file headers */
- for (i = 0; i < nb_output_files; i++) {
- oc = output_files[i]->ctx;
- oc->interrupt_callback = int_cb;
- if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
- char errbuf[128];
- av_strerror(ret, errbuf, sizeof(errbuf));
- snprintf(error, sizeof(error),
- "Could not write header for output file #%d "
- "(incorrect codec parameters ?): %s",
- i, errbuf);
- ret = AVERROR(EINVAL);
- goto dump_format;
- }
- assert_avoptions(output_files[i]->opts);
- if (strcmp(oc->oformat->name, "rtp")) {
- want_sdp = 0;
- }
- }
-
dump_format:
- /* dump the file output parameters - cannot be done before in case
- of stream copy */
- for (i = 0; i < nb_output_files; i++) {
- av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
- }
-
/* dump the stream mapping */
av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
for (i = 0; i < nb_input_streams; i++) {
return ret;
}
- if (want_sdp) {
- print_sdp();
- }
-
return 0;
}
/* write the trailer if needed and close file */
for (i = 0; i < nb_output_files; i++) {
os = output_files[i]->ctx;
+ if (!output_files[i]->header_written) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Nothing was written into output file %d (%s), because "
+ "at least one of its streams received no packets.\n",
+ i, os->filename);
+ continue;
+ }
av_write_trailer(os);
}
int main(int argc, char **argv)
{
- int ret;
+ int i, ret;
int64_t ti;
register_exit(avconv_cleanup);
exit_program(1);
}
+ for (i = 0; i < nb_output_files; i++) {
+ if (strcmp(output_files[i]->ctx->oformat->name, "rtp"))
+ want_sdp = 0;
+ }
+
ti = getutime();
if (transcode() < 0)
exit_program(1);
projects / ffmpeg / blobdiff