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libs: encoder: h265: promote level if tile is enabled.

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/-/merge_requests/294>
This commit is contained in:
He Junyan 2020-03-05 17:29:41 +08:00
parent 812c9fdea7
commit 71db357284
1 changed files with 27 additions and 1 deletions
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28
gst-libs/gst/vaapi/gstvaapiencoder_h265.c
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@ -178,6 +178,12 @@ h265_get_slice_type (GstVaapiPictureType type)
return -1;
}
static gboolean
h265_is_tile_enabled (GstVaapiEncoderH265 * encoder)
{
return encoder->num_tile_cols * encoder->num_tile_rows > 1;
}
/* Get log2_max_pic_order_cnt value for H.265 specification */
static guint
h265_get_log2_max_pic_order_cnt (guint num)
@ -1148,6 +1154,7 @@ ensure_tier_level (GstVaapiEncoderH265 * encoder)
guint i, num_limits, PicSizeInSamplesY;
guint LumaSr;
const GstVaapiH265LevelLimits *limits_table;
const GstVaapiH265LevelLimits *limits;
PicSizeInSamplesY = encoder->luma_width * encoder->luma_height;
LumaSr =
@ -1156,7 +1163,7 @@ ensure_tier_level (GstVaapiEncoderH265 * encoder)
limits_table = gst_vaapi_utils_h265_get_level_limits_table (&num_limits);
for (i = 0; i < num_limits; i++) {
const GstVaapiH265LevelLimits *const limits = &limits_table[i];
limits = &limits_table[i];
/* Choose level by luma picture size and luma sample rate */
if (PicSizeInSamplesY <= limits->MaxLumaPs && LumaSr <= limits->MaxLumaSr)
break;
@ -1165,6 +1172,19 @@ ensure_tier_level (GstVaapiEncoderH265 * encoder)
if (i == num_limits)
goto error_unsupported_level;
/* may need to promote the level by tile setting */
if (h265_is_tile_enabled (encoder)) {
for (; i < num_limits; i++) {
limits = &limits_table[i];
if (encoder->num_tile_cols <= limits->MaxTileColumns &&
encoder->num_tile_rows <= limits->MaxTileRows)
break;
}
if (i == num_limits)
goto error_promote_level;
}
if (bitrate <= limits_table[i].MaxBRTierMain) {
encoder->tier = GST_VAAPI_TIER_H265_MAIN;
} else {
@ -1185,6 +1205,12 @@ ensure_tier_level (GstVaapiEncoderH265 * encoder)
return TRUE;
/* ERRORS */
error_promote_level:
{
GST_ERROR ("failed to promote level for num-tile-cols is %d,"
" num-tile-rows %d", encoder->num_tile_cols, encoder->num_tile_rows);
return FALSE;
}
error_unsupported_level:
{
GST_ERROR ("failed to find a suitable level matching codec config");