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Change way H.264 level is mapped to the size

This commit is contained in:
bossiel 2014-03-27 06:37:53 +00:00
parent a76f9f6f9e
commit 471e3369bb
1 changed files with 6 additions and 3 deletions
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9
branches/2.0/doubango/tinyDAV/include/tinydav/codecs/h264/tdav_codec_h264_common.h
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@ -158,13 +158,16 @@ static int tdav_codec_h264_common_level_from_size(unsigned width, unsigned heigh
{
tsk_size_t i;
unsigned maxFS = (((width + 15) >> 4) * ((height + 15) >> 4));
for (i = 0; i < sizeof(tdav_codec_h264_common_level_sizes)/sizeof(tdav_codec_h264_common_level_sizes[0]); ++i){
if (tdav_codec_h264_common_level_sizes[i].maxFS >= maxFS){
static const tsk_size_t __tdav_codec_h264_common_level_sizes_count = sizeof(tdav_codec_h264_common_level_sizes)/sizeof(tdav_codec_h264_common_level_sizes[0]);
for (i = 0; i < __tdav_codec_h264_common_level_sizes_count; ++i){
if (/*tdav_codec_h264_common_level_sizes[i].maxFS*/ ((tdav_codec_h264_common_level_sizes[i].width * tdav_codec_h264_common_level_sizes[i].height) >> 8) >= maxFS){
*level = tdav_codec_h264_common_level_sizes[i].level;
return 0;
}
}
return -1;
TSK_DEBUG_WARN("Failed to find default level for size=(%ux%u)", width, height);
*level = tdav_codec_h264_common_level_sizes[__tdav_codec_h264_common_level_sizes_count - 1].level;
return 0;
}