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hevc: Use parsed VUI colorimetry in avcodec

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Also limit the parsed VUI values to known valid ones.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Jan Ekström 2013-11-03 19:45:02 +00:00 committed by Vittorio Giovara
parent cd8f772d06
commit 885ec92425
2 changed files with 24 additions and 0 deletions
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16
libavcodec/hevc.c
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@ -401,6 +401,22 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps)
s->avctx->sample_aspect_ratio = sps->vui.sar;
s->avctx->has_b_frames = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics;
if (sps->vui.video_signal_type_present_flag)
s->avctx->color_range = sps->vui.video_full_range_flag ? AVCOL_RANGE_JPEG
: AVCOL_RANGE_MPEG;
else
s->avctx->color_range = AVCOL_RANGE_MPEG;
if (sps->vui.colour_description_present_flag) {
s->avctx->color_primaries = sps->vui.colour_primaries;
s->avctx->color_trc = sps->vui.transfer_characteristic;
s->avctx->colorspace = sps->vui.matrix_coeffs;
} else {
s->avctx->color_primaries = AVCOL_PRI_UNSPECIFIED;
s->avctx->color_trc = AVCOL_TRC_UNSPECIFIED;
s->avctx->colorspace = AVCOL_SPC_UNSPECIFIED;
}
ff_hevc_pred_init(&s->hpc, sps->bit_depth);
ff_hevc_dsp_init (&s->hevcdsp, sps->bit_depth);
ff_videodsp_init (&s->vdsp, sps->bit_depth);

8
libavcodec/hevc_ps.c
View File

@ -453,6 +453,14 @@ static void decode_vui(HEVCContext *s, HEVCSPS *sps)
vui->colour_primaries = get_bits(gb, 8);
vui->transfer_characteristic = get_bits(gb, 8);
vui->matrix_coeffs = get_bits(gb, 8);
// Set invalid values to "unspecified"
if (vui->colour_primaries >= AVCOL_PRI_NB)
vui->colour_primaries = AVCOL_PRI_UNSPECIFIED;
if (vui->transfer_characteristic >= AVCOL_TRC_NB)
vui->transfer_characteristic = AVCOL_TRC_UNSPECIFIED;
if (vui->matrix_coeffs >= AVCOL_SPC_NB)
vui->matrix_coeffs = AVCOL_SPC_UNSPECIFIED;
}
}