diff options
| -rw-r--r-- | gst-libs/gst/vaapi/gstvaapiencoder_h265.c | 51 |
1 files changed, 28 insertions, 23 deletions
diff --git a/gst-libs/gst/vaapi/gstvaapiencoder_h265.c b/gst-libs/gst/vaapi/gstvaapiencoder_h265.c index 4290ad37..52d74f5a 100644 --- a/gst-libs/gst/vaapi/gstvaapiencoder_h265.c +++ b/gst-libs/gst/vaapi/gstvaapiencoder_h265.c @@ -998,38 +998,46 @@ ensure_profile (GstVaapiEncoderH265 * encoder) return TRUE; } -/* Derives the minimum tier from the active coding tools */ +/* Derives the level and tier from the currently set limits */ static gboolean -ensure_tier (GstVaapiEncoderH265 * encoder) +ensure_tier_level (GstVaapiEncoderH265 * encoder) { - - encoder->tier = GST_VAAPI_TIER_H265_MAIN; - /* FIXME: Derive proper tier based on upstream caps or limits, coding - * tools etc */ - - return TRUE; -} - -/* Derives the level from the currently set limits */ -static gboolean -ensure_level (GstVaapiEncoderH265 * encoder) -{ - const GstVaapiH265LevelLimits *limits_table; + guint bitrate = GST_VAAPI_ENCODER_CAST (encoder)->bitrate; guint i, num_limits, PicSizeInSamplesY; + guint LumaSr; + const GstVaapiH265LevelLimits *limits_table; PicSizeInSamplesY = encoder->luma_width * encoder->luma_height; + LumaSr = + gst_util_uint64_scale (PicSizeInSamplesY, + GST_VAAPI_ENCODER_FPS_N (encoder), GST_VAAPI_ENCODER_FPS_D (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]; - if (PicSizeInSamplesY <= limits->MaxLumaPs) + /* Choose level by luma picture size and luma sample rate */ + if (PicSizeInSamplesY <= limits->MaxLumaPs && LumaSr <= limits->MaxLumaSr) break; - /* FIXME: Add more constraint checking:tier (extracted from caps), - * cpb size, bitrate, num_tile_columns and num_tile_rows */ } + if (i == num_limits) goto error_unsupported_level; + if (bitrate <= limits_table[i].MaxBRTierMain) { + encoder->tier = GST_VAAPI_TIER_H265_MAIN; + } else { + encoder->tier = GST_VAAPI_TIER_H265_HIGH; + if (bitrate > limits_table[i].MaxBRTierHigh) { + GST_INFO ("The bitrate of the stream is %d kbps, larger than" + " %s profile %s level %s tier's max bit rate %d kbps", + bitrate, + gst_vaapi_utils_h265_get_profile_string (encoder->profile), + gst_vaapi_utils_h265_get_level_string (limits_table[i].level), + gst_vaapi_utils_h265_get_tier_string (GST_VAAPI_TIER_H265_HIGH), + limits_table[i].MaxBRTierHigh); + } + } + encoder->level = limits_table[i].level; encoder->level_idc = limits_table[i].level_idc; return TRUE; @@ -1042,6 +1050,7 @@ error_unsupported_level: } } +/* Derives the minimum tier from the active coding tools */ /* Enable "high-compression" tuning options */ static gboolean ensure_tuning_high_compression (GstVaapiEncoderH265 * encoder) @@ -2024,14 +2033,10 @@ ensure_profile_tier_level (GstVaapiEncoderH265 * encoder) if (encoder->profile_idc > encoder->hw_max_profile_idc) return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE; - /* ensure tier */ - if (!ensure_tier (encoder)) - return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED; - /* Ensure bitrate if not set already and derive the right level to use */ ensure_bitrate (encoder); - if (!ensure_level (encoder)) + if (!ensure_tier_level (encoder)) return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED; if (encoder->profile != profile || encoder->level != level |