[FFmpeg-devel] [PATCH] avformat/r3d: Remove write-only array

Andreas Rheinhardt andreas.rheinhardt at gmail.com
Thu Apr 23 21:30:59 EEST 2020


Andreas Rheinhardt:
> Andreas Rheinhardt:
>> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>
>> ---
>>  libavformat/r3d.c | 20 +++-----------------
>>  1 file changed, 3 insertions(+), 17 deletions(-)
>>
>> diff --git a/libavformat/r3d.c b/libavformat/r3d.c
>> index 224bcf780d..7aa0c5a2c3 100644
>> --- a/libavformat/r3d.c
>> +++ b/libavformat/r3d.c
>> @@ -27,7 +27,6 @@
>>  
>>  typedef struct R3DContext {
>>      unsigned video_offsets_count;
>> -    unsigned *video_offsets;
>>      unsigned rdvo_offset;
>>  
>>      int audio_channels;
>> @@ -118,17 +117,14 @@ static int r3d_read_rdvo(AVFormatContext *s, Atom *atom)
>>      int i;
>>  
>>      r3d->video_offsets_count = (atom->size - 8) / 4;
>> -    r3d->video_offsets = av_malloc(atom->size);
>> -    if (!r3d->video_offsets)
>> -        return AVERROR(ENOMEM);
>>  
>>      for (i = 0; i < r3d->video_offsets_count; i++) {
>> -        r3d->video_offsets[i] = avio_rb32(s->pb);
>> -        if (!r3d->video_offsets[i]) {
>> +        unsigned video_offset = avio_rb32(s->pb);
>> +        if (!video_offset) {
>>              r3d->video_offsets_count = i;
>>              break;
>>          }
>> -        av_log(s, AV_LOG_TRACE, "video offset %d: %#x\n", i, r3d->video_offsets[i]);
>> +        av_log(s, AV_LOG_TRACE, "video offset %d: %#x\n", i, video_offset);
>>      }
>>  
>>      if (st->avg_frame_rate.num)
>> @@ -400,15 +396,6 @@ static int r3d_seek(AVFormatContext *s, int stream_index, int64_t sample_time, i
>>      return 0;
>>  }
>>  
>> -static int r3d_close(AVFormatContext *s)
>> -{
>> -    R3DContext *r3d = s->priv_data;
>> -
>> -    av_freep(&r3d->video_offsets);
>> -
>> -    return 0;
>> -}
>> -
>>  AVInputFormat ff_r3d_demuxer = {
>>      .name           = "r3d",
>>      .long_name      = NULL_IF_CONFIG_SMALL("REDCODE R3D"),
>> @@ -416,6 +403,5 @@ AVInputFormat ff_r3d_demuxer = {
>>      .read_probe     = r3d_probe,
>>      .read_header    = r3d_read_header,
>>      .read_packet    = r3d_read_packet,
>> -    .read_close     = r3d_close,
>>      .read_seek      = r3d_seek,
>>  };
>>
> Will apply tomorrow if there are no objections.
> 
> - Andreas
> 
Applied.

- Andreas


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