diff options
author | Anton Khirnov <anton@khirnov.net> | 2011-11-20 12:32:27 +0100 |
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committer | Anton Khirnov <anton@khirnov.net> | 2011-11-21 08:13:37 +0100 |
commit | 03f30c837ba5f55e5bd98d32618173e8cd77e587 (patch) | |
tree | b219721b4870079c76bbb0b380fd9cd4b12a3f01 | |
parent | 1bb77e51a824187a8d8ecff7208be7296767256b (diff) | |
download | ffmpeg-streaming-03f30c837ba5f55e5bd98d32618173e8cd77e587.zip ffmpeg-streaming-03f30c837ba5f55e5bd98d32618173e8cd77e587.tar.gz |
avconv: cosmetics, reformat transcode_init()
Fix spacing, vertically align, break some long lines, add some empty
lines for readability.
-rw-r--r-- | avconv.c | 83 |
1 files changed, 46 insertions, 37 deletions
@@ -1977,7 +1977,7 @@ static int transcode_init(OutputFile *output_files, } /* output stream init */ - for(i=0;i<nb_output_files;i++) { + 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); @@ -1989,17 +1989,17 @@ static int transcode_init(OutputFile *output_files, /* 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; + oc = output_files[ost->file_index].ctx; ist = &input_streams[ost->source_index]; if (ost->attachment_filename) continue; - codec = ost->st->codec; + codec = ost->st->codec; icodec = ist->st->codec; - ost->st->disposition = ist->st->disposition; - codec->bits_per_raw_sample= icodec->bits_per_raw_sample; + ost->st->disposition = ist->st->disposition; + codec->bits_per_raw_sample = icodec->bits_per_raw_sample; codec->chroma_sample_location = icodec->chroma_sample_location; if (ost->stream_copy) { @@ -2010,52 +2010,55 @@ static int transcode_init(OutputFile *output_files, } /* if stream_copy is selected, no need to decode or encode */ - codec->codec_id = icodec->codec_id; + codec->codec_id = icodec->codec_id; codec->codec_type = icodec->codec_type; - if(!codec->codec_tag){ - if( !oc->oformat->codec_tag - || av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id - || av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0) + if (!codec->codec_tag) { + if (!oc->oformat->codec_tag || + av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id || + av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0) codec->codec_tag = icodec->codec_tag; } - codec->bit_rate = icodec->bit_rate; + codec->bit_rate = icodec->bit_rate; codec->rc_max_rate = icodec->rc_max_rate; codec->rc_buffer_size = icodec->rc_buffer_size; - codec->extradata= av_mallocz(extra_size); + codec->extradata = av_mallocz(extra_size); if (!codec->extradata) { return AVERROR(ENOMEM); } memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); - codec->extradata_size= icodec->extradata_size; - if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){ - codec->time_base = icodec->time_base; + codec->extradata_size = icodec->extradata_size; + if (!copy_tb && + av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && + av_q2d(ist->st->time_base) < 1.0/500) { + codec->time_base = icodec->time_base; codec->time_base.num *= icodec->ticks_per_frame; av_reduce(&codec->time_base.num, &codec->time_base.den, codec->time_base.num, codec->time_base.den, INT_MAX); - }else + } else codec->time_base = ist->st->time_base; + switch(codec->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); } - codec->channel_layout = icodec->channel_layout; - codec->sample_rate = icodec->sample_rate; - codec->channels = icodec->channels; - codec->frame_size = icodec->frame_size; + codec->channel_layout = icodec->channel_layout; + codec->sample_rate = icodec->sample_rate; + codec->channels = icodec->channels; + codec->frame_size = icodec->frame_size; codec->audio_service_type = icodec->audio_service_type; - codec->block_align= icodec->block_align; + codec->block_align = icodec->block_align; break; case AVMEDIA_TYPE_VIDEO: - codec->pix_fmt = icodec->pix_fmt; - codec->width = icodec->width; - codec->height = icodec->height; - codec->has_b_frames = icodec->has_b_frames; + codec->pix_fmt = icodec->pix_fmt; + codec->width = icodec->width; + codec->height = icodec->height; + codec->has_b_frames = icodec->has_b_frames; if (!codec->sample_aspect_ratio.num) { - codec->sample_aspect_ratio = + codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio : ist->st->codec->sample_aspect_ratio.num ? @@ -2063,7 +2066,7 @@ static int transcode_init(OutputFile *output_files, } break; case AVMEDIA_TYPE_SUBTITLE: - codec->width = icodec->width; + codec->width = icodec->width; codec->height = icodec->height; break; case AVMEDIA_TYPE_DATA: @@ -2075,29 +2078,35 @@ static int transcode_init(OutputFile *output_files, } else { if (!ost->enc) ost->enc = avcodec_find_encoder(ost->st->codec->codec_id); + ist->decoding_needed = 1; ost->encoding_needed = 1; + switch(codec->codec_type) { case AVMEDIA_TYPE_AUDIO: - ost->fifo= av_fifo_alloc(1024); + ost->fifo = av_fifo_alloc(1024); if (!ost->fifo) { return AVERROR(ENOMEM); } ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE); + if (!codec->sample_rate) codec->sample_rate = icodec->sample_rate; choose_sample_rate(ost->st, ost->enc); codec->time_base = (AVRational){1, codec->sample_rate}; + if (codec->sample_fmt == AV_SAMPLE_FMT_NONE) codec->sample_fmt = icodec->sample_fmt; choose_sample_fmt(ost->st, ost->enc); + if (!codec->channels) codec->channels = icodec->channels; codec->channel_layout = icodec->channel_layout; if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels) codec->channel_layout = 0; - ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1; - icodec->request_channels = codec->channels; + + ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1; + icodec->request_channels = codec-> channels; ost->resample_sample_fmt = icodec->sample_fmt; ost->resample_sample_rate = icodec->sample_rate; ost->resample_channels = icodec->channels; @@ -2144,9 +2153,9 @@ static int transcode_init(OutputFile *output_files, codec->bits_per_raw_sample= 0; } - ost->resample_height = icodec->height; - ost->resample_width = icodec->width; - ost->resample_pix_fmt= icodec->pix_fmt; + ost->resample_height = icodec->height; + ost->resample_width = icodec->width; + ost->resample_pix_fmt = icodec->pix_fmt; if (!ost->frame_rate.num) ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1}; @@ -2198,8 +2207,8 @@ static int transcode_init(OutputFile *output_files, } } if(codec->codec_type == AVMEDIA_TYPE_VIDEO){ - int size= codec->width * codec->height; - bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200); + int size = codec->width * codec->height; + bit_buffer_size = FFMAX(bit_buffer_size, 6*size + 200); } } @@ -2215,7 +2224,7 @@ static int transcode_init(OutputFile *output_files, for (i = 0; i < nb_output_streams; i++) { ost = &output_streams[i]; if (ost->encoding_needed) { - AVCodec *codec = ost->enc; + AVCodec *codec = ost->enc; AVCodecContext *dec = input_streams[ost->source_index].st->codec; if (!codec) { snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d", @@ -2289,7 +2298,7 @@ static int transcode_init(OutputFile *output_files, dump_format: /* dump the file output parameters - cannot be done before in case of stream copy */ - for(i=0;i<nb_output_files;i++) { + for (i = 0; i < nb_output_files; i++) { av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1); } |