[FFmpeg-devel] [PATCH v2] avformat/hlsenc: remove duplicate code block

[Steven Liu]

> 在 2019年11月29日，12:56，mypopy at gmail.com 写道：
> 
> On Fri, Nov 29, 2019 at 12:46 PM Steven Liu <lq at chinaffmpeg.org> wrote:
>> 
>> Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
>> ---
>> libavformat/hlsenc.c | 27 ++++++---------------------
>> 1 file changed, 6 insertions(+), 21 deletions(-)
>> 
>> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
>> index 043438368e..34ffab49a0 100644
>> --- a/libavformat/hlsenc.c
>> +++ b/libavformat/hlsenc.c
>> @@ -2486,8 +2486,12 @@ static void hls_free_variant_streams(struct HLSContext *hls)
>>         if (vtt_oc) {
>>             av_freep(&vs->vtt_basename);
>>             av_freep(&vs->vtt_m3u8_name);
>> +            avformat_free_context(vtt_oc);
>>         }
>> 
>> +        if (vs->avf)
>> +            avformat_free_context(vs->avf);
> avformat_free_context can handle the NULL case, so don't need to check
> the NULL before this call
New version submited
>> +
>>         hls_free_segments(vs->segments);
>>         hls_free_segments(vs->old_segments);
>>         av_freep(&vs->m3u8_name);
>> @@ -2619,7 +2623,6 @@ failed:
>>                 av_write_trailer(vtt_oc);
>>             vs->size = avio_tell(vs->vtt_avf->pb) - vs->start_pos;
>>             ff_format_io_close(s, &vtt_oc->pb);
>> -            avformat_free_context(vtt_oc);
>>         }
>>         ret = hls_window(s, 1, vs);
>>         if (ret < 0) {
>> @@ -2628,7 +2631,6 @@ failed:
>>             hls_window(s, 1, vs);
>>         }
>>         ffio_free_dyn_buf(&oc->pb);
>> -        avformat_free_context(oc);
>> 
>>         vs->avf = NULL;
>>         av_free(old_filename);
>> @@ -2956,31 +2958,14 @@ static int hls_init(AVFormatContext *s)
>> 
>> fail:
>>     if (ret < 0) {
>> -        av_freep(&hls->key_basename);
>> -        for (i = 0; i < hls->nb_varstreams && hls->var_streams; i++) {
>> -            vs = &hls->var_streams[i];
>> -            av_freep(&vs->basename);
>> -            av_freep(&vs->vtt_basename);
>> -            av_freep(&vs->fmp4_init_filename);
>> -            av_freep(&vs->m3u8_name);
>> -            av_freep(&vs->vtt_m3u8_name);
>> -            av_freep(&vs->streams);
>> -            av_freep(&vs->language);
>> -            av_freep(&vs->agroup);
>> -            av_freep(&vs->ccgroup);
>> -            av_freep(&vs->baseurl);
>> -            av_freep(&vs->varname);
>> -            if (vs->avf)
>> -                avformat_free_context(vs->avf);
>> -            if (vs->vtt_avf)
>> -                avformat_free_context(vs->vtt_avf);
>> -        }
>> +        hls_free_variant_streams(hls);
>>         for (i = 0; i < hls->nb_ccstreams; i++) {
>>             ClosedCaptionsStream *ccs = &hls->cc_streams[i];
>>             av_freep(&ccs->ccgroup);
>>             av_freep(&ccs->instreamid);
>>             av_freep(&ccs->language);
>>         }
>> +        av_freep(&hls->key_basename);
>>         av_freep(&hls->var_streams);
>>         av_freep(&hls->cc_streams);
>>         av_freep(&hls->master_m3u8_url);
>> --
>> 2.15.1
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Thanks
Steven