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Code Issues Releases Activity

avcodec/mediacodec_wrapper: use MediaFormat to probe frame color characteristics

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This commit is contained in:
Matthieu Bouron 2019-08-26 15:15:05 +02:00
parent cde7818d9f
commit 6268034b5d
1 changed files with 100 additions and 0 deletions
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100
libavcodec/mediacodecdec_common.c
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@ -85,6 +85,85 @@
#define OUTPUT_DEQUEUE_TIMEOUT_US 8000
#define OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US 1000000
enum {
COLOR_RANGE_FULL = 0x1,
COLOR_RANGE_LIMITED = 0x2,
};
static enum AVColorRange mcdec_get_color_range(int color_range)
{
switch (color_range) {
case COLOR_RANGE_FULL:
return AVCOL_RANGE_JPEG;
case COLOR_RANGE_LIMITED:
return AVCOL_RANGE_MPEG;
default:
return AVCOL_RANGE_UNSPECIFIED;
}
}
enum {
COLOR_STANDARD_BT709 = 0x1,
COLOR_STANDARD_BT601_PAL = 0x2,
COLOR_STANDARD_BT601_NTSC = 0x4,
COLOR_STANDARD_BT2020 = 0x6,
};
static enum AVColorSpace mcdec_get_color_space(int color_standard)
{
switch (color_standard) {
case COLOR_STANDARD_BT709:
return AVCOL_SPC_BT709;
case COLOR_STANDARD_BT601_PAL:
return AVCOL_SPC_BT470BG;
case COLOR_STANDARD_BT601_NTSC:
return AVCOL_SPC_SMPTE170M;
case COLOR_STANDARD_BT2020:
return AVCOL_SPC_BT2020_NCL;
default:
return AVCOL_SPC_UNSPECIFIED;
}
}
static enum AVColorPrimaries mcdec_get_color_pri(int color_standard)
{
switch (color_standard) {
case COLOR_STANDARD_BT709:
return AVCOL_PRI_BT709;
case COLOR_STANDARD_BT601_PAL:
return AVCOL_PRI_BT470BG;
case COLOR_STANDARD_BT601_NTSC:
return AVCOL_PRI_SMPTE170M;
case COLOR_STANDARD_BT2020:
return AVCOL_PRI_BT2020;
default:
return AVCOL_PRI_UNSPECIFIED;
}
}
enum {
COLOR_TRANSFER_LINEAR = 0x1,
COLOR_TRANSFER_SDR_VIDEO = 0x3,
COLOR_TRANSFER_ST2084 = 0x6,
COLOR_TRANSFER_HLG = 0x7,
};
static enum AVColorTransferCharacteristic mcdec_get_color_trc(int color_transfer)
{
switch (color_transfer) {
case COLOR_TRANSFER_LINEAR:
return AVCOL_TRC_LINEAR;
case COLOR_TRANSFER_SDR_VIDEO:
return AVCOL_TRC_SMPTE170M;
case COLOR_TRANSFER_ST2084:
return AVCOL_TRC_SMPTEST2084;
case COLOR_TRANSFER_HLG:
return AVCOL_TRC_ARIB_STD_B67;
default:
return AVCOL_TRC_UNSPECIFIED;
}
}
enum {
COLOR_FormatYUV420Planar = 0x13,
COLOR_FormatYUV420SemiPlanar = 0x15,
@ -220,6 +299,10 @@ FF_DISABLE_DEPRECATION_WARNINGS
FF_ENABLE_DEPRECATION_WARNINGS
#endif
frame->pkt_dts = AV_NOPTS_VALUE;
frame->color_range = avctx->color_range;
frame->color_primaries = avctx->color_primaries;
frame->color_trc = avctx->color_trc;
frame->colorspace = avctx->colorspace;
buffer = av_mallocz(sizeof(AVMediaCodecBuffer));
if (!buffer) {
@ -368,6 +451,9 @@ static int mediacodec_dec_parse_format(AVCodecContext *avctx, MediaCodecDecConte
int ret = 0;
int width = 0;
int height = 0;
int color_range = 0;
int color_standard = 0;
int color_transfer = 0;
char *format = NULL;
if (!s->format) {
@ -426,6 +512,20 @@ static int mediacodec_dec_parse_format(AVCodecContext *avctx, MediaCodecDecConte
ff_set_sar(avctx, sar);
}
AMEDIAFORMAT_GET_INT32(color_range, "color-range", 0);
if (color_range)
avctx->color_range = mcdec_get_color_range(color_range);
AMEDIAFORMAT_GET_INT32(color_standard, "color-standard", 0);
if (color_standard) {
avctx->colorspace = mcdec_get_color_space(color_standard);
avctx->color_primaries = mcdec_get_color_pri(color_standard);
}
AMEDIAFORMAT_GET_INT32(color_transfer, "color-transfer", 0);
if (color_transfer)
avctx->color_trc = mcdec_get_color_trc(color_transfer);
av_log(avctx, AV_LOG_INFO,
"Output crop parameters top=%d bottom=%d left=%d right=%d, "
"resulting dimensions width=%d height=%d\n",