Function avifGainMapMetadataSize

src/write.c:977–981

Returns the number of bytes written by avifWriteGainmapMetadata().

// Returns the number of bytes written by avifWriteGainmapMetadata().
static uint32_t avifGainMapMetadataSize(const avifGainMap * gainMap)
{
    const uint8_t channelCount = avifGainMapIdenticalChannels(gainMap) ? 1u : 3u;
    return (uint32_t)(sizeof(uint16_t) * 2 + sizeof(uint8_t) + sizeof(uint32_t) * 4 + channelCount * sizeof(uint32_t) * 10);
}

static avifResult avifWriteGainmapMetadata(avifRWStream * s, const avifGainMap * gainMap, avifDiagnostics * diag)
{