diff options
author | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2008-05-28 02:31:09 +0400 |
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committer | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2008-05-28 02:31:09 +0400 |
commit | 92f76fbf23bbade7e289654008731ae3491c4172 (patch) | |
tree | b2a55cd1c1ec603409b8b94f51186737c23b307a | |
parent | 6138ed777db101c26d19b96e6a27b8499ab9f4e7 (diff) |
simplify, use pointer to codec context in struct instead of only id
Originally committed as revision 13476 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | libavformat/swfenc.c | 54 |
1 files changed, 23 insertions, 31 deletions
diff --git a/libavformat/swfenc.c b/libavformat/swfenc.c index c74a95136b..904ce157db 100644 --- a/libavformat/swfenc.c +++ b/libavformat/swfenc.c @@ -174,7 +174,6 @@ static int swf_write_header(AVFormatContext *s) { SWFContext *swf = s->priv_data; ByteIOContext *pb = s->pb; - AVCodecContext *enc, *audio_enc, *video_enc; PutBitContext p; uint8_t buf1[256]; int i, width, height, rate, rate_base; @@ -184,17 +183,15 @@ static int swf_write_header(AVFormatContext *s) swf->swf_frame_number = 0; swf->video_frame_number = 0; - video_enc = NULL; - audio_enc = NULL; for(i=0;i<s->nb_streams;i++) { - enc = s->streams[i]->codec; + AVCodecContext *enc = s->streams[i]->codec; if (enc->codec_type == CODEC_TYPE_AUDIO) { if (enc->codec_id == CODEC_ID_MP3) { if (!enc->frame_size) { av_log(s, AV_LOG_ERROR, "audio frame size not set\n"); return -1; } - audio_enc = enc; + swf->audio_enc = enc; av_fifo_init(&swf->audio_fifo, AUDIO_FIFO_SIZE); } else { av_log(s, AV_LOG_ERROR, "SWF muxer only supports MP3\n"); @@ -204,7 +201,7 @@ static int swf_write_header(AVFormatContext *s) if (enc->codec_id == CODEC_ID_VP6F || enc->codec_id == CODEC_ID_FLV1 || enc->codec_id == CODEC_ID_MJPEG) { - video_enc = enc; + swf->video_enc = enc; } else { av_log(s, AV_LOG_ERROR, "SWF muxer only supports VP6, FLV1 and MJPEG\n"); return -1; @@ -212,36 +209,31 @@ static int swf_write_header(AVFormatContext *s) } } - if (!video_enc) { + if (!swf->video_enc) { /* currently, cannot work correctly if audio only */ - swf->video_type = 0; width = 320; height = 200; rate = 10; rate_base= 1; } else { - swf->video_type = video_enc->codec_id; - width = video_enc->width; - height = video_enc->height; - rate = video_enc->time_base.den; - rate_base = video_enc->time_base.num; + width = swf->video_enc->width; + height = swf->video_enc->height; + rate = swf->video_enc->time_base.den; + rate_base = swf->video_enc->time_base.num; } - if (!audio_enc) { - swf->audio_type = 0; + if (!swf->audio_enc) swf->samples_per_frame = (44100. * rate_base) / rate; - } else { - swf->audio_type = audio_enc->codec_id; - swf->samples_per_frame = (audio_enc->sample_rate * rate_base) / rate; - } + else + swf->samples_per_frame = (swf->audio_enc->sample_rate * rate_base) / rate; put_tag(pb, "FWS"); if (!strcmp("avm2", s->oformat->name)) version = 9; - else if (video_enc && video_enc->codec_id == CODEC_ID_VP6F) + else if (swf->video_enc && swf->video_enc->codec_id == CODEC_ID_VP6F) version = 8; /* version 8 and above support VP6 codec */ - else if (video_enc && video_enc->codec_id == CODEC_ID_FLV1) + else if (swf->video_enc && swf->video_enc->codec_id == CODEC_ID_FLV1) version = 6; /* version 6 and above support FLV1 codec */ else version = 4; /* version 4 for mpeg audio support */ @@ -263,7 +255,7 @@ static int swf_write_header(AVFormatContext *s) } /* define a shape with the jpeg inside */ - if (video_enc && video_enc->codec_id == CODEC_ID_MJPEG) { + if (swf->video_enc && swf->video_enc->codec_id == CODEC_ID_MJPEG) { put_swf_tag(s, TAG_DEFINESHAPE); put_le16(pb, SHAPE_ID); /* ID of shape */ @@ -306,12 +298,12 @@ static int swf_write_header(AVFormatContext *s) put_swf_end_tag(s); } - if (audio_enc && audio_enc->codec_id == CODEC_ID_MP3) { + if (swf->audio_enc && swf->audio_enc->codec_id == CODEC_ID_MP3) { int v = 0; /* start sound */ put_swf_tag(s, TAG_STREAMHEAD2); - switch(audio_enc->sample_rate) { + switch(swf->audio_enc->sample_rate) { case 11025: v |= 1 << 2; break; case 22050: v |= 2 << 2; break; case 44100: v |= 3 << 2; break; @@ -321,7 +313,7 @@ static int swf_write_header(AVFormatContext *s) return -1; } v |= 0x02; /* 16 bit playback */ - if (audio_enc->channels == 2) + if (swf->audio_enc->channels == 2) v |= 0x01; /* stereo playback */ put_byte(s->pb, v); v |= 0x20; /* mp3 compressed */ @@ -346,8 +338,8 @@ static int swf_write_video(AVFormatContext *s, if (swf->swf_frame_number == 16000) av_log(enc, AV_LOG_INFO, "warning: Flash Player limit of 16000 frames reached\n"); - if (swf->video_type == CODEC_ID_VP6F || - swf->video_type == CODEC_ID_FLV1) { + if (enc->codec_id == CODEC_ID_VP6F || + enc->codec_id == CODEC_ID_FLV1) { if (swf->video_frame_number == 0) { /* create a new video object */ put_swf_tag(s, TAG_VIDEOSTREAM); @@ -356,7 +348,7 @@ static int swf_write_video(AVFormatContext *s, put_le16(pb, enc->width); put_le16(pb, enc->height); put_byte(pb, 0); - put_byte(pb,codec_get_tag(swf_codec_tags,swf->video_type)); + put_byte(pb,codec_get_tag(swf_codec_tags,enc->codec_id)); put_swf_end_tag(s); /* place the video object for the first time */ @@ -384,7 +376,7 @@ static int swf_write_video(AVFormatContext *s, put_le16(pb, swf->video_frame_number++); put_buffer(pb, buf, size); put_swf_end_tag(s); - } else if (swf->video_type == CODEC_ID_MJPEG) { + } else if (enc->codec_id == CODEC_ID_MJPEG) { if (swf->swf_frame_number > 0) { /* remove the shape */ put_swf_tag(s, TAG_REMOVEOBJECT); @@ -421,7 +413,7 @@ static int swf_write_video(AVFormatContext *s, swf->swf_frame_number ++; /* streaming sound always should be placed just before showframe tags */ - if (swf->audio_type && av_fifo_size(&swf->audio_fifo)) { + if (swf->audio_enc && av_fifo_size(&swf->audio_fifo)) { int frame_size = av_fifo_size(&swf->audio_fifo); put_swf_tag(s, TAG_STREAMBLOCK | TAG_LONG); put_le16(pb, swf->sound_samples); @@ -460,7 +452,7 @@ static int swf_write_audio(AVFormatContext *s, swf->sound_samples += enc->frame_size; /* if audio only stream make sure we add swf frames */ - if (swf->video_type == 0) + if (!swf->video_enc) swf_write_video(s, enc, 0, 0); return 0; |