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avconv: rewrite output data size tracking

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Store a variable per OutputStream instead of globals for
audio/video/extradata. This makes the code simpler and cleaner and fixes
2pass with multiple output streams.
This commit is contained in:
Anton Khirnov 2014-03-17 10:03:47 +01:00
parent f759f66e36
commit baeb59d89b
2 changed files with 27 additions and 23 deletions
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46
avconv.c
View File

@ -84,9 +84,6 @@ const int program_birth_year = 2000;
static FILE *vstats_file;
static int64_t video_size = 0;
static int64_t audio_size = 0;
static int64_t extra_size = 0;
static int nb_frames_drop = 0;
@ -370,6 +367,8 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
}
ost->last_mux_dts = pkt->dts;
ost->data_size += pkt->size;
pkt->stream_index = ost->index;
ret = av_interleaved_write_frame(s, pkt);
if (ret < 0) {
@ -420,8 +419,6 @@ static void do_audio_out(AVFormatContext *s, OutputStream *ost,
pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
write_frame(s, &pkt, ost);
audio_size += pkt.size;
}
}
@ -572,7 +569,6 @@ static void do_video_out(AVFormatContext *s,
write_frame(s, &pkt, ost);
*frame_size = pkt.size;
video_size += pkt.size;
/* if two pass, output log */
if (ost->logfile && enc->stats_out) {
@ -623,9 +619,9 @@ static void do_video_stats(OutputStream *ost, int frame_size)
ti1 = 0.01;
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
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)video_size / 1024, ti1, bitrate, avg_bitrate);
(double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
}
}
@ -857,17 +853,30 @@ static void print_report(int is_last_report, int64_t timer_start)
fflush(stderr);
if (is_last_report) {
int64_t raw = audio_size + video_size + extra_size;
uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
uint64_t data_size = 0;
float percent = -1.0;
if (raw)
percent = 100.0 * (total_size - raw) / raw;
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
switch (ost->st->codec->codec_type) {
case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
default: other_size += ost->data_size; break;
}
extra_size += ost->st->codec->extradata_size;
data_size += ost->data_size;
}
if (data_size && total_size >= data_size)
percent = 100.0 * (total_size - data_size) / data_size;
av_log(NULL, AV_LOG_INFO, "\n");
av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead: ",
av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
video_size / 1024.0,
audio_size / 1024.0,
extra_size / 1024.0,
other_size / 1024.0,
extra_size / 1024.0);
if (percent >= 0.0)
av_log(NULL, AV_LOG_INFO, "%f%%", percent);
else
@ -897,18 +906,15 @@ static void flush_encoders(void)
for (;;) {
int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
const char *desc;
int64_t *size;
switch (ost->st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
encode = avcodec_encode_audio2;
desc = "Audio";
size = &audio_size;
break;
case AVMEDIA_TYPE_VIDEO:
encode = avcodec_encode_video2;
desc = "Video";
size = &video_size;
break;
default:
stop_encoding = 1;
@ -926,7 +932,6 @@ static void flush_encoders(void)
av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
exit_program(1);
}
*size += ret;
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
@ -997,12 +1002,8 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
}
/* force the input stream PTS */
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
audio_size += pkt->size;
else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
video_size += pkt->size;
if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
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;
@ -1831,7 +1832,6 @@ static int transcode_init(void)
if (ost->st->codec->bit_rate && ost->st->codec->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");
extra_size += ost->st->codec->extradata_size;
} else {
av_opt_set_dict(ost->st->codec, &ost->opts);
}

4
avconv.h
View File

@ -339,6 +339,10 @@ typedef struct OutputStream {
enum AVPixelFormat pix_fmts[2];
AVCodecParserContext *parser;
/* stats */
// combined size of all the packets written
uint64_t data_size;
} OutputStream;
typedef struct OutputFile {