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avcodec/cfhd: support cropped height tag

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Ported from libav. Authored by one of the following:

Anton Khirnov <anton@khirnov.net>
Diego Biurrun <diego@biurrun.de>
Vittorio Giovara <vittorio.giovara@gmail.com>

Reviewed-by: kierank
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-10-17 22:05:09 -03:00
parent df45ea45df
commit d2917501c2
2 changed files with 7 additions and 0 deletions
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6
libavcodec/cfhd.c
View File

@ -73,6 +73,7 @@ static void init_frame_defaults(CFHDContext *s)
{
s->coded_width = 0;
s->coded_height = 0;
s->cropped_height = 0;
s->bpc = 10;
s->channel_cnt = 4;
s->subband_cnt = SUBBAND_COUNT;
@ -455,6 +456,9 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
break;
}
planes = av_pix_fmt_count_planes(s->coded_format);
} else if (tag == -85) {
av_log(avctx, AV_LOG_DEBUG, "Cropped height %"PRIu16"\n", data);
s->cropped_height = data;
} else
av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data);
@ -472,6 +476,8 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height);
if (ret < 0)
return ret;
if (s->cropped_height)
avctx->height = s->cropped_height;
frame.f->width =
frame.f->height = 0;

1
libavcodec/cfhd.h
View File

@ -81,6 +81,7 @@ typedef struct CFHDContext {
int coded_width;
int coded_height;
int cropped_height;
enum AVPixelFormat coded_format;
int a_width;