diff options
author | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2008-05-24 04:03:00 +0400 |
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committer | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2008-05-24 04:03:00 +0400 |
commit | 5366f15d05ea2d8f1a052db5546d51c0a165df90 (patch) | |
tree | 99c7949c32019434f4aaaa12d1ab759e7d350c18 /libavformat/flvenc.c | |
parent | fbabb0c277c312785fc0ca7b836043d1ad5bd219 (diff) |
simplify, remove useless vars
Originally committed as revision 13270 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/flvenc.c')
-rw-r--r-- | libavformat/flvenc.c | 48 |
1 files changed, 17 insertions, 31 deletions
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c index 718e784098..1a781f4b92 100644 --- a/libavformat/flvenc.c +++ b/libavformat/flvenc.c @@ -44,8 +44,6 @@ static const AVCodecTag flv_audio_codec_ids[] = { }; typedef struct FLVContext { - int hasAudio; - int hasVideo; int reserved; offset_t duration_offset; offset_t filesize_offset; @@ -132,38 +130,26 @@ static int flv_write_header(AVFormatContext *s) { ByteIOContext *pb = s->pb; FLVContext *flv = s->priv_data; - int i, width, height, samplerate, samplesize, channels, audiocodecid, videocodecid; + AVCodecContext *audio_enc = NULL, *video_enc = NULL; + int i; double framerate = 0.0; int metadata_size_pos, data_size; - flv->hasAudio = 0; - flv->hasVideo = 0; - for(i=0; i<s->nb_streams; i++){ AVCodecContext *enc = s->streams[i]->codec; if (enc->codec_type == CODEC_TYPE_VIDEO) { - width = enc->width; - height = enc->height; if (s->streams[i]->r_frame_rate.den && s->streams[i]->r_frame_rate.num) { framerate = av_q2d(s->streams[i]->r_frame_rate); } else { framerate = 1/av_q2d(s->streams[i]->codec->time_base); } - flv->hasVideo=1; - - videocodecid = enc->codec_tag; - if(videocodecid == 0) { + video_enc = enc; + if(enc->codec_tag == 0) { av_log(enc, AV_LOG_ERROR, "video codec not compatible with flv\n"); return -1; } } else { - flv->hasAudio=1; - samplerate = enc->sample_rate; - channels = enc->channels; - - audiocodecid = enc->codec_tag; - samplesize = (enc->codec_id == CODEC_ID_PCM_S8) ? 8 : 16; - + audio_enc = enc; if(get_audio_flags(enc)<0) return -1; } @@ -171,8 +157,8 @@ static int flv_write_header(AVFormatContext *s) } put_tag(pb,"FLV"); put_byte(pb,1); - put_byte(pb, FLV_HEADER_FLAG_HASAUDIO * flv->hasAudio - + FLV_HEADER_FLAG_HASVIDEO * flv->hasVideo); + put_byte(pb, FLV_HEADER_FLAG_HASAUDIO * !!audio_enc + + FLV_HEADER_FLAG_HASVIDEO * !!video_enc); put_be32(pb,9); put_be32(pb,0); @@ -202,18 +188,18 @@ static int flv_write_header(AVFormatContext *s) /* mixed array (hash) with size and string/type/data tuples */ put_byte(pb, AMF_DATA_TYPE_MIXEDARRAY); - put_be32(pb, 5*flv->hasVideo + 4*flv->hasAudio + 2); // +2 for duration and file size + put_be32(pb, 5*!!video_enc + 4*!!audio_enc + 2); // +2 for duration and file size put_amf_string(pb, "duration"); flv->duration_offset= url_ftell(pb); put_amf_double(pb, 0); // delayed write - if(flv->hasVideo){ + if(video_enc){ put_amf_string(pb, "width"); - put_amf_double(pb, width); + put_amf_double(pb, video_enc->width); put_amf_string(pb, "height"); - put_amf_double(pb, height); + put_amf_double(pb, video_enc->height); put_amf_string(pb, "videodatarate"); put_amf_double(pb, s->bit_rate / 1024.0); @@ -222,21 +208,21 @@ static int flv_write_header(AVFormatContext *s) put_amf_double(pb, framerate); put_amf_string(pb, "videocodecid"); - put_amf_double(pb, videocodecid); + put_amf_double(pb, video_enc->codec_tag); } - if(flv->hasAudio){ + if(audio_enc){ put_amf_string(pb, "audiosamplerate"); - put_amf_double(pb, samplerate); + put_amf_double(pb, audio_enc->sample_rate); put_amf_string(pb, "audiosamplesize"); - put_amf_double(pb, samplesize); + put_amf_double(pb, audio_enc->codec_id == CODEC_ID_PCM_S8 ? 8 : 16); put_amf_string(pb, "stereo"); - put_amf_bool(pb, (channels == 2)); + put_amf_bool(pb, audio_enc->channels == 2); put_amf_string(pb, "audiocodecid"); - put_amf_double(pb, audiocodecid); + put_amf_double(pb, audio_enc->codec_tag); } put_amf_string(pb, "filesize"); |