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ffmpeg: save two levels of indentation in flush_encoders()

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By replacing
if (foo)
    <do stuff>

with
if (!foo)
    continue;
<do stuff>
pull/2/head
Anton Khirnov 13 years ago committed by Michael Niedermayer
parent a16f1afb11
commit 47a3439ee7
1 changed files with 67 additions and 69 deletions
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  1. 136
      ffmpeg.c

136
ffmpeg.c
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@ -1450,84 +1450,82 @@ static void flush_encoders(int ist_index, OutputStream *ost_table, int nb_ostrea
int i, ret;
for (i = 0; i < nb_ostreams; i++) {
OutputStream *ost = &ost_table[i];
OutputStream *ost = &ost_table[i];
AVCodecContext *enc = ost->st->codec;
AVFormatContext *os = output_files[ost->file_index].ctx;
if (ost->source_index == ist_index) {
AVCodecContext *enc = ost->st->codec;
AVFormatContext *os = output_files[ost->file_index].ctx;
if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
continue;
if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
continue;
if (ost->source_index != ist_index || !ost->encoding_needed)
continue;
if (ost->encoding_needed) {
for(;;) {
AVPacket pkt;
int fifo_bytes;
av_init_packet(&pkt);
pkt.stream_index= ost->index;
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
continue;
if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
continue;
switch (ost->st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
fifo_bytes = av_fifo_size(ost->fifo);
ret = 0;
/* encode any samples remaining in fifo */
if (fifo_bytes > 0) {
int osize = av_get_bytes_per_sample(enc->sample_fmt);
int fs_tmp = enc->frame_size;
av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
enc->frame_size = fifo_bytes / (osize * enc->channels);
} else { /* pad */
int frame_bytes = enc->frame_size*osize*enc->channels;
if (allocated_audio_buf_size < frame_bytes)
exit_program(1);
generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
}
for(;;) {
AVPacket pkt;
int fifo_bytes;
av_init_packet(&pkt);
pkt.stream_index= ost->index;
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
ost->st->time_base.num, enc->sample_rate);
enc->frame_size = fs_tmp;
}
if (ret <= 0) {
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
}
if (ret < 0) {
fprintf(stderr, "Audio encoding failed\n");
exit_program(1);
}
audio_size += ret;
pkt.flags |= AV_PKT_FLAG_KEY;
break;
case AVMEDIA_TYPE_VIDEO:
ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
if (ret < 0) {
fprintf(stderr, "Video encoding failed\n");
switch (ost->st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
fifo_bytes = av_fifo_size(ost->fifo);
ret = 0;
/* encode any samples remaining in fifo */
if (fifo_bytes > 0) {
int osize = av_get_bytes_per_sample(enc->sample_fmt);
int fs_tmp = enc->frame_size;
av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
enc->frame_size = fifo_bytes / (osize * enc->channels);
} else { /* pad */
int frame_bytes = enc->frame_size*osize*enc->channels;
if (allocated_audio_buf_size < frame_bytes)
exit_program(1);
}
video_size += ret;
if(enc->coded_frame && enc->coded_frame->key_frame)
pkt.flags |= AV_PKT_FLAG_KEY;
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
break;
default:
ret=-1;
generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
}
if (ret <= 0)
break;
pkt.data = bit_buffer;
pkt.size = ret;
if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
ost->st->time_base.num, enc->sample_rate);
enc->frame_size = fs_tmp;
}
if (ret <= 0) {
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
}
if (ret < 0) {
fprintf(stderr, "Audio encoding failed\n");
exit_program(1);
}
audio_size += ret;
pkt.flags |= AV_PKT_FLAG_KEY;
break;
case AVMEDIA_TYPE_VIDEO:
ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
if (ret < 0) {
fprintf(stderr, "Video encoding failed\n");
exit_program(1);
}
video_size += ret;
if(enc->coded_frame && enc->coded_frame->key_frame)
pkt.flags |= AV_PKT_FLAG_KEY;
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
break;
default:
ret=-1;
}
if (ret <= 0)
break;
pkt.data = bit_buffer;
pkt.size = ret;
if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
}
}
}

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