#include "libavutil/parseutils.h"
#include "libavutil/samplefmt.h"
#include "libavutil/fifo.h"
+#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "libavutil/mathematics.h"
static int transcoding_finished;
#endif
-#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
-
InputStream **input_streams = NULL;
int nb_input_streams = 0;
InputFile **input_files = NULL;
"results.\nAdd '-strict experimental' if you want to use it.\n",
codec_string, c->name);
codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
- if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
+ if (!(codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL))
av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
codec_string, codec->name);
exit_program(1);
}
-/*
- * Update the requested input sample format based on the output sample format.
- * This is currently only used to request float output from decoders which
- * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
- * Ideally this will be removed in the future when decoders do not do format
- * conversion and only output in their native format.
- */
-static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
- AVCodecContext *enc)
-{
- /* if sample formats match or a decoder sample format has already been
- requested, just return */
- if (enc->sample_fmt == dec->sample_fmt ||
- dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
- return;
-
- /* if decoder supports more than one output format */
- if (dec_codec && dec_codec->sample_fmts &&
- dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
- dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
- const enum AVSampleFormat *p;
- int min_dec = INT_MAX, min_inc = INT_MAX;
- enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
- enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
-
- /* find a matching sample format in the encoder */
- for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
- if (*p == enc->sample_fmt) {
- dec->request_sample_fmt = *p;
- return;
- } else {
- enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
- enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
- int fmt_diff = 32 * abs(dfmt - efmt);
- if (av_sample_fmt_is_planar(*p) !=
- av_sample_fmt_is_planar(enc->sample_fmt))
- fmt_diff++;
- if (dfmt == efmt) {
- min_inc = fmt_diff;
- inc_fmt = *p;
- } else if (dfmt > efmt) {
- if (fmt_diff < min_inc) {
- min_inc = fmt_diff;
- inc_fmt = *p;
- }
- } else {
- if (fmt_diff < min_dec) {
- min_dec = fmt_diff;
- dec_fmt = *p;
- }
- }
- }
- }
-
- /* if none match, provide the one that matches quality closest */
- dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
- }
-}
-
static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
{
AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
*/
if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
if (ost->frame_number >= ost->max_frames) {
- av_free_packet(pkt);
+ av_packet_unref(pkt);
return;
}
ost->frame_number++;
}
+ if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR,
+ NULL);
+ ost->quality = sd ? *(int *)sd : -1;
+
+ if (ost->frame_rate.num) {
+ pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
+ ost->st->time_base);
+ }
+ }
while (bsfc) {
AVPacket new_pkt = *pkt;
pkt->data, pkt->size,
pkt->flags & AV_PKT_FLAG_KEY);
if (a > 0) {
- av_free_packet(pkt);
+ av_packet_unref(pkt);
new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
av_buffer_default_free, NULL, 0);
if (!new_pkt.buf)
AVFrame *in_picture,
int *frame_size)
{
- int ret, format_video_sync;
+ int ret, format_video_sync, got_packet;
AVPacket pkt;
AVCodecContext *enc = ost->enc_ctx;
if (ost->frame_number >= ost->max_frames)
return;
- if (s->oformat->flags & AVFMT_RAWPICTURE &&
- enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
- /* raw pictures are written as AVPicture structure to
- avoid any copies. We support temporarily the older
- method. */
- enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
- enc->coded_frame->top_field_first = in_picture->top_field_first;
- pkt.data = (uint8_t *)in_picture;
- pkt.size = sizeof(AVPicture);
- pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
- pkt.flags |= AV_PKT_FLAG_KEY;
+ if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
+ ost->top_field_first >= 0)
+ in_picture->top_field_first = !!ost->top_field_first;
- write_frame(s, &pkt, ost);
- } else {
- int got_packet;
-
- if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
- ost->top_field_first >= 0)
- in_picture->top_field_first = !!ost->top_field_first;
-
- in_picture->quality = enc->global_quality;
- in_picture->pict_type = 0;
- if (ost->forced_kf_index < ost->forced_kf_count &&
- in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
- in_picture->pict_type = AV_PICTURE_TYPE_I;
- ost->forced_kf_index++;
- }
+ in_picture->quality = enc->global_quality;
+ in_picture->pict_type = 0;
+ if (ost->forced_kf_index < ost->forced_kf_count &&
+ in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
+ in_picture->pict_type = AV_PICTURE_TYPE_I;
+ ost->forced_kf_index++;
+ }
- ost->frames_encoded++;
+ ost->frames_encoded++;
- ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
- exit_program(1);
- }
+ ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+ exit_program(1);
+ }
- if (got_packet) {
- av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
- write_frame(s, &pkt, ost);
- *frame_size = pkt.size;
+ if (got_packet) {
+ av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
+ write_frame(s, &pkt, ost);
+ *frame_size = pkt.size;
- /* if two pass, output log */
- if (ost->logfile && enc->stats_out) {
- fprintf(ost->logfile, "%s", enc->stats_out);
- }
+ /* if two pass, output log */
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
}
}
+
ost->sync_opts++;
/*
* For video, number of frames in == number of packets out.
enc = ost->enc_ctx;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->frame_number;
- fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
- if (enc->flags&CODEC_FLAG_PSNR)
+ fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
+ ost->quality / (float)FF_QP2LAMBDA);
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (enc->flags & AV_CODEC_FLAG_PSNR)
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
fprintf(vstats_file,"f_size= %6d ", frame_size);
/* compute pts value */
avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
}
}
filtered_frame = ost->filtered_frame;
if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
- !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
+ !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
ost->enc_ctx->frame_size);
else
float q = -1;
ost = output_streams[i];
enc = ost->enc_ctx;
- if (!ost->stream_copy && enc->coded_frame)
- q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
+ if (!ost->stream_copy)
+ q = ost->quality / (float) FF_QP2LAMBDA;
+
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
}
for (j = 0; j < 32; j++)
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
}
- if (enc->flags&CODEC_FLAG_PSNR) {
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (enc->flags & AV_CODEC_FLAG_PSNR) {
int j;
double error, error_sum = 0;
double scale, scale_sum = 0;
}
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
vid = 1;
}
/* compute min output value */
if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
continue;
- if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
- continue;
for (;;) {
int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
decoded_frame->pts = av_rescale_q(decoded_frame->pts,
ist->st->time_base,
(AVRational){1, avctx->sample_rate});
+ ist->nb_samples = decoded_frame->nb_samples;
for (i = 0; i < ist->nb_filters; i++) {
if (i < ist->nb_filters - 1) {
f = ist->filter_frame;
}
/* pkt = NULL means EOF (needed to flush decoder buffers) */
-static void process_input_packet(InputStream *ist, const AVPacket *pkt)
+static void process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
{
int i;
int got_output;
ist->last_dts = ist->next_dts;
if (avpkt.size && avpkt.size != pkt->size &&
- !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
+ !(ist->dec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
"Multiple frames in a packet from stream %d\n", pkt->stream_index);
ist->showed_multi_packet_warning = 1;
}
/* after flushing, send an EOF on all the filter inputs attached to the stream */
- if (!pkt && ist->decoding_needed) {
+ /* except when looping we need to flush but not to send an EOF */
+ if (!pkt && ist->decoding_needed && !no_eof) {
int ret = send_filter_eof(ist);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
static int init_input_stream(int ist_index, char *error, int error_len)
{
- int i, ret;
+ int ret;
InputStream *ist = input_streams[ist_index];
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
return AVERROR(EINVAL);
}
- /* update requested sample format for the decoder based on the
- corresponding encoder sample format */
- for (i = 0; i < nb_output_streams; i++) {
- OutputStream *ost = output_streams[i];
- if (ost->source_index == ist_index) {
- update_sample_fmt(ist->dec_ctx, codec, ost->enc_ctx);
- break;
- }
- }
-
ist->dec_ctx->opaque = ist;
ist->dec_ctx->get_format = get_format;
ist->dec_ctx->get_buffer2 = get_buffer;
return NULL;
}
+static int init_output_stream(OutputStream *ost, char *error, int error_len)
+{
+ int ret = 0;
+
+ if (ost->encoding_needed) {
+ AVCodec *codec = ost->enc;
+ AVCodecContext *dec = NULL;
+ InputStream *ist;
+
+ if ((ist = get_input_stream(ost)))
+ dec = ist->dec_ctx;
+ if (dec && dec->subtitle_header) {
+ ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
+ if (!ost->enc_ctx->subtitle_header)
+ return AVERROR(ENOMEM);
+ memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
+ ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
+ }
+ if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
+ av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
+
+ if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
+ if (ret == AVERROR_EXPERIMENTAL)
+ abort_codec_experimental(codec, 1);
+ snprintf(error, error_len,
+ "Error while opening encoder for output stream #%d:%d - "
+ "maybe incorrect parameters such as bit_rate, rate, width or height",
+ ost->file_index, ost->index);
+ return ret;
+ }
+ assert_avoptions(ost->encoder_opts);
+ if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
+ av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
+ "It takes bits/s as argument, not kbits/s\n");
+
+ ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Error initializing the output stream codec context.\n");
+ exit_program(1);
+ }
+
+ if (ost->enc_ctx->nb_coded_side_data) {
+ int i;
+
+ ost->st->side_data = av_realloc_array(NULL, ost->enc_ctx->nb_coded_side_data,
+ sizeof(*ost->st->side_data));
+ if (!ost->st->side_data)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
+ const AVPacketSideData *sd_src = &ost->enc_ctx->coded_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->st->time_base = ost->enc_ctx->time_base;
+ } else {
+ ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
+ if (ret < 0)
+ return ret;
+ ost->st->time_base = ost->st->codec->time_base;
+ }
+
+ return ret;
+}
+
static void parse_forced_key_frames(char *kf, OutputStream *ost,
AVCodecContext *avctx)
{
input_streams[j + ifile->ist_index]->start = av_gettime_relative();
}
- /* output stream init */
- for (i = 0; i < nb_output_files; i++) {
- oc = output_files[i]->ctx;
- if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
- av_dump_format(oc, i, oc->filename, 1);
- av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
- return AVERROR(EINVAL);
- }
- }
-
- /* init complex filtergraphs */
- for (i = 0; i < nb_filtergraphs; i++)
- if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
- return ret;
-
/* for each output stream, we compute the right encoding parameters */
for (i = 0; i < nb_output_streams; i++) {
AVCodecContext *enc_ctx;
av_assert0(ist && !ost->filter);
- extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
+ extra_size = (uint64_t)dec_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
if (extra_size > INT_MAX) {
return AVERROR(EINVAL);
goto dump_format;
}
- if (ist)
- ist->decoding_needed = 1;
- ost->encoding_needed = 1;
-
set_encoder_id(output_files[ost->file_index], ost);
/*
}
}
+#if CONFIG_LIBMFX
+ if (qsv_transcode_init(ost))
+ exit_program(1);
+#endif
+
if (!ost->filter &&
(enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
abort();
break;
}
- /* two pass mode */
- if ((enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
- char logfilename[1024];
- FILE *f;
-
- snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
- ost->logfile_prefix ? ost->logfile_prefix :
- DEFAULT_PASS_LOGFILENAME_PREFIX,
- i);
- if (!strcmp(ost->enc->name, "libx264")) {
- av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
- } else {
- if (enc_ctx->flags & CODEC_FLAG_PASS1) {
- f = fopen(logfilename, "wb");
- if (!f) {
- av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
- logfilename, strerror(errno));
- exit_program(1);
- }
- ost->logfile = f;
- } else {
- char *logbuffer;
- size_t logbuffer_size;
- if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
- logfilename);
- exit_program(1);
- }
- enc_ctx->stats_in = logbuffer;
- }
- }
- }
}
}
/* open each encoder */
for (i = 0; i < nb_output_streams; i++) {
- ost = output_streams[i];
- if (ost->encoding_needed) {
- AVCodec *codec = ost->enc;
- AVCodecContext *dec = NULL;
-
- if ((ist = get_input_stream(ost)))
- dec = ist->dec_ctx;
- if (dec && dec->subtitle_header) {
- ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
- if (!ost->enc_ctx->subtitle_header) {
- ret = AVERROR(ENOMEM);
- goto dump_format;
- }
- memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
- ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
- }
- if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
- av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
- av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
-
- if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
- if (ret == AVERROR_EXPERIMENTAL)
- abort_codec_experimental(codec, 1);
- snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
- ost->file_index, ost->index);
- goto dump_format;
- }
- assert_avoptions(ost->encoder_opts);
- if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
- av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
- "It takes bits/s as argument, not kbits/s\n");
-
- ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL,
- "Error initializing the output stream codec context.\n");
- exit_program(1);
- }
-
- ost->st->time_base = ost->enc_ctx->time_base;
- } else {
- ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
- if (ret < 0)
- return ret;
- ost->st->time_base = ost->st->codec->time_base;
- }
+ ret = init_output_stream(output_streams[i], error, sizeof(error));
+ if (ret < 0)
+ goto dump_format;
}
/* init input streams */
while (!av_fifo_space(f->fifo))
pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
- av_dup_packet(&pkt);
av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
pthread_mutex_unlock(&f->fifo_lock);
pthread_mutex_lock(&f->fifo_lock);
while (av_fifo_size(f->fifo)) {
av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
- av_free_packet(&pkt);
+ av_packet_unref(&pkt);
}
pthread_cond_signal(&f->fifo_cond);
pthread_mutex_unlock(&f->fifo_lock);
while (av_fifo_size(f->fifo)) {
av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
- av_free_packet(&pkt);
+ av_packet_unref(&pkt);
}
av_fifo_free(f->fifo);
}
input_files[i]->eagain = 0;
}
+// set duration to max(tmp, duration) in a proper time base and return duration's time_base
+static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
+ AVRational time_base)
+{
+ int ret;
+
+ if (!*duration) {
+ *duration = tmp;
+ return tmp_time_base;
+ }
+
+ ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
+ if (ret < 0) {
+ *duration = tmp;
+ return tmp_time_base;
+ }
+
+ return time_base;
+}
+
+static int seek_to_start(InputFile *ifile, AVFormatContext *is)
+{
+ InputStream *ist;
+ AVCodecContext *avctx;
+ int i, ret, has_audio = 0;
+ int64_t duration = 0;
+
+ ret = av_seek_frame(is, -1, is->start_time, 0);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < ifile->nb_streams; i++) {
+ ist = input_streams[ifile->ist_index + i];
+ avctx = ist->dec_ctx;
+
+ // flush decoders
+ if (ist->decoding_needed) {
+ process_input_packet(ist, NULL, 1);
+ avcodec_flush_buffers(avctx);
+ }
+
+ /* duration is the length of the last frame in a stream
+ * when audio stream is present we don't care about
+ * last video frame length because it's not defined exactly */
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
+ has_audio = 1;
+ }
+
+ for (i = 0; i < ifile->nb_streams; i++) {
+ ist = input_streams[ifile->ist_index + i];
+ avctx = ist->dec_ctx;
+
+ if (has_audio) {
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
+ AVRational sample_rate = {1, avctx->sample_rate};
+
+ duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
+ } else
+ continue;
+ } else {
+ if (ist->framerate.num) {
+ duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
+ } else if (ist->st->avg_frame_rate.num) {
+ duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
+ } else duration = 1;
+ }
+ if (!ifile->duration)
+ ifile->time_base = ist->st->time_base;
+ /* the total duration of the stream, max_pts - min_pts is
+ * the duration of the stream without the last frame */
+ duration += ist->max_pts - ist->min_pts;
+ ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
+ ifile->time_base);
+ }
+
+ if (ifile->loop > 0)
+ ifile->loop--;
+
+ return ret;
+}
+
/*
* Read one packet from an input file and send it for
* - decoding -> lavfi (audio/video)
InputStream *ist;
AVPacket pkt;
int ret, i, j;
+ int64_t duration;
/* select the stream that we must read now */
ifile = select_input_file();
ifile->eagain = 1;
return ret;
}
+ if (ret < 0 && ifile->loop) {
+ if ((ret = seek_to_start(ifile, is)) < 0)
+ return ret;
+ ret = get_input_packet(ifile, &pkt);
+ }
if (ret < 0) {
if (ret != AVERROR_EOF) {
print_error(is->filename, ret);
for (i = 0; i < ifile->nb_streams; i++) {
ist = input_streams[ifile->ist_index + i];
if (ist->decoding_needed)
- process_input_packet(ist, NULL);
+ process_input_packet(ist, NULL, 0);
/* mark all outputs that don't go through lavfi as finished */
for (j = 0; j < nb_output_streams; j++) {
pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
}
}
+ duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
+ if (pkt.pts != AV_NOPTS_VALUE) {
+ pkt.pts += duration;
+ ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
+ ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
+ }
+
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts += duration;
- process_input_packet(ist, &pkt);
+ process_input_packet(ist, &pkt, 0);
discard_packet:
- av_free_packet(&pkt);
+ av_packet_unref(&pkt);
return 0;
}
for (i = 0; i < nb_input_streams; i++) {
ist = input_streams[i];
if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
- process_input_packet(ist, NULL);
+ process_input_packet(ist, NULL, 0);
}
}
poll_filters();
projects / ffmpeg / blobdiff