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Code Issues Releases Activity

avfilter/vf_colorspace: Make array smaller

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Also makes it more independent of AVCOL_TRC_NB.

Reviewed-by: Niklas Haas <ffmpeg@haasn.dev>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-09-22 14:40:24 +02:00
parent 188440929d
commit f0586ffa95
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_colorspace.c
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@@ -171,7 +171,7 @@ typedef struct ColorSpaceContext {
// FIXME I'm pretty sure gamma22/28 also have a linear toe slope, but I can't // FIXME I'm pretty sure gamma22/28 also have a linear toe slope, but I can't
// find any actual tables that document their real values... // find any actual tables that document their real values...
// See http://www.13thmonkey.org/~boris/gammacorrection/ first graph why it matters // See http://www.13thmonkey.org/~boris/gammacorrection/ first graph why it matters
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB] = { static const struct TransferCharacteristics transfer_characteristics[] = {
[AVCOL_TRC_BT709] = { 1.099, 0.018, 0.45, 4.5 }, [AVCOL_TRC_BT709] = { 1.099, 0.018, 0.45, 4.5 },
[AVCOL_TRC_GAMMA22] = { 1.0, 0.0, 1.0 / 2.2, 0.0 }, [AVCOL_TRC_GAMMA22] = { 1.0, 0.0, 1.0 / 2.2, 0.0 },
[AVCOL_TRC_GAMMA28] = { 1.0, 0.0, 1.0 / 2.8, 0.0 }, [AVCOL_TRC_GAMMA28] = { 1.0, 0.0, 1.0 / 2.8, 0.0 },
@@ -189,7 +189,7 @@ static const struct TransferCharacteristics *
{ {
const struct TransferCharacteristics *coeffs; const struct TransferCharacteristics *coeffs;
if (trc >= AVCOL_TRC_NB) if ((unsigned)trc >= FF_ARRAY_ELEMS(transfer_characteristics))
return NULL; return NULL;
coeffs = &transfer_characteristics[trc]; coeffs = &transfer_characteristics[trc];
if (!coeffs->alpha) if (!coeffs->alpha)