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vp8: initialize color space and range properties

This commit is contained in:
Vittorio Giovara 2014-10-05 22:58:50 +01:00
parent 0d8a3656ba
commit 65875a8b3b
2 changed files with 13 additions and 2 deletions
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12
libavcodec/vp8.c
View File

@ -670,9 +670,10 @@ static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_si
buf_size -= header_size;
if (s->keyframe) {
if (vp8_rac_get(c))
s->colorspace = vp8_rac_get(c);
if (s->colorspace)
av_log(s->avctx, AV_LOG_WARNING, "Unspecified colorspace\n");
vp8_rac_get(c); // whether we can skip clamping in dsp functions
s->fullrange = vp8_rac_get(c);
}
if ((s->segmentation.enabled = vp8_rac_get(c)))
@ -2490,6 +2491,13 @@ int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
curframe = s->framep[VP56_FRAME_CURRENT] = vp8_find_free_buffer(s);
if (!s->colorspace)
avctx->colorspace = AVCOL_SPC_BT470BG;
if (s->fullrange)
avctx->color_range = AVCOL_RANGE_JPEG;
else
avctx->color_range = AVCOL_RANGE_MPEG;
/* Given that arithmetic probabilities are updated every frame, it's quite
* likely that the values we have on a random interframe are complete
* junk if we didn't start decode on a keyframe. So just don't display

3
libavcodec/vp8.h
View File

@ -264,6 +264,9 @@ typedef struct VP8Context {
vp8_mc_func put_pixels_tab[3][3][3];
VP8Frame frames[5];
uint8_t colorspace; ///< 0 is the only value allowed (meaning bt601)
uint8_t fullrange; ///< whether we can skip clamping in dsp functions
int num_jobs;
/**
* This describes the macroblock memory layout.