--- /dev/null
+/* GStreamer
+ * Copyright (C) 2021 Intel Corporation
+ * Author: He Junyan <junyan.he@intel.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the0
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gsth265bitwriter.h"
+#include <gst/codecparsers/nalutils.h>
+#include <gst/base/gstbitwriter.h>
+
+/******************************** Utils ********************************/
+#define SIGNED(val) (2 * ABS(val) - ((val) > 0))
+
+/* Write an unsigned integer Exp-Golomb-coded syntax element. i.e. ue(v) */
+static gboolean
+_bs_write_ue (GstBitWriter * bs, guint32 value)
+{
+ guint32 size_in_bits = 0;
+ guint32 tmp_value = ++value;
+
+ while (tmp_value) {
+ ++size_in_bits;
+ tmp_value >>= 1;
+ }
+ if (size_in_bits > 1
+ && !gst_bit_writer_put_bits_uint32 (bs, 0, size_in_bits - 1))
+ return FALSE;
+ if (!gst_bit_writer_put_bits_uint32 (bs, value, size_in_bits))
+ return FALSE;
+ return TRUE;
+}
+
+#define WRITE_BITS_UNCHECK(bw, val, nbits) \
+ (nbits <= 8 ? gst_bit_writer_put_bits_uint8 (bw, val, nbits) : \
+ (nbits <= 16 ? gst_bit_writer_put_bits_uint16 (bw, val, nbits) : \
+ (nbits <= 32 ? gst_bit_writer_put_bits_uint32 (bw, val, nbits) : \
+ FALSE)))
+
+#define WRITE_BITS(bw, val, nbits) \
+ if (!WRITE_BITS_UNCHECK (bw, val, nbits)) { \
+ g_warning ("Unsupported bit size: %u", nbits); \
+ have_space = FALSE; \
+ goto error; \
+ }
+
+#define WRITE_UE_UNCHECK(bw, val) _bs_write_ue (bw, val)
+
+#ifdef WRITE_UE
+#undef WRITE_UE
+#endif
+#define WRITE_UE(bw, val) \
+ if (!(have_space = WRITE_UE_UNCHECK (bw, val))) \
+ goto error; \
+
+#define WRITE_UE_MAX(bw, val, max) \
+ if ((guint32) val > (max) || !(have_space = WRITE_UE_UNCHECK (bw, val))) \
+ goto error;
+
+#define WRITE_SE(bw, val) WRITE_UE (bw, SIGNED (val))
+
+#define WRITE_SE_RANGE(bw, val, min, max) \
+ if (val > max || val < min || \
+ !(have_space = WRITE_UE_UNCHECK (bw, SIGNED (val)))) \
+ goto error;
+
+#define WRITE_BYTES_UNCHECK(bw, ptr, nbytes) \
+ gst_bit_writer_put_bytes(bw, ptr, nbytes)
+
+#ifdef WRITE_BYTES
+#undef WRITE_BYTES
+#endif
+#define WRITE_BYTES(bw, ptr, nbytes) \
+ if (!(have_space = WRITE_BYTES_UNCHECK (bw, ptr, nbytes))) \
+ goto error;
+
+/***************************** End of Utils ****************************/
+
+#define EXTENDED_SAR 255
+
+/**** Default scaling_lists according to Table 7-5 and 7-6 *****/
+/* Table 7-5 */
+static const guint8 default_scaling_list0[16] = {
+ 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+ 16, 16, 16, 16
+};
+
+/* Combined the values in Table 7-6 to make the calculation easier
+ * Default scaling list of 8x8 and 16x16 matrices for matrixId = 0, 1 and 2
+ * Default scaling list of 32x32 matrix for matrixId = 0
+ */
+static const guint8 default_scaling_list1[64] = {
+ 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 16,
+ 17, 16, 17, 18, 17, 18, 18, 17, 18, 21, 19, 20,
+ 21, 20, 19, 21, 24, 22, 22, 24, 24, 22, 22, 24,
+ 25, 25, 27, 30, 27, 25, 25, 29, 31, 35, 35, 31,
+ 29, 36, 41, 44, 41, 36, 47, 54, 54, 47, 65, 70,
+ 65, 88, 88, 115
+};
+
+/* Combined the values in Table 7-6 to make the calculation easier
+ * Default scaling list of 8x8 and 16x16 matrices for matrixId = 3, 4 and 5
+ * Default scaling list of 32x32 matrix for matrixId = 1
+ */
+static const guint8 default_scaling_list2[64] = {
+ 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17,
+ 17, 17, 17, 18, 18, 18, 18, 18, 18, 20, 20, 20,
+ 20, 20, 20, 20, 24, 24, 24, 24, 24, 24, 24, 24,
+ 25, 25, 25, 25, 25, 25, 25, 28, 28, 28, 28, 28,
+ 28, 33, 33, 33, 33, 33, 41, 41, 41, 41, 54, 54,
+ 54, 71, 71, 91
+};
+
+static gboolean
+_h265_bit_writer_profile_tier_level (const GstH265ProfileTierLevel * ptl,
+ guint8 maxNumSubLayersMinus1, GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ guint i, j;
+
+ GST_DEBUG ("writing profile_tier_level");
+
+ if (maxNumSubLayersMinus1 > 0) {
+ GST_WARNING ("sub layers are not supported now");
+ goto error;
+ }
+
+ WRITE_BITS (bw, ptl->profile_space, 2);
+ WRITE_BITS (bw, ptl->tier_flag, 1);
+ WRITE_BITS (bw, ptl->profile_idc, 5);
+
+ for (j = 0; j < 32; j++)
+ WRITE_BITS (bw, ptl->profile_compatibility_flag[j], 1);
+
+ WRITE_BITS (bw, ptl->progressive_source_flag, 1);
+ WRITE_BITS (bw, ptl->interlaced_source_flag, 1);
+ WRITE_BITS (bw, ptl->non_packed_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->frame_only_constraint_flag, 1);
+
+ if (ptl->profile_idc == 4 || ptl->profile_compatibility_flag[4] ||
+ ptl->profile_idc == 5 || ptl->profile_compatibility_flag[5] ||
+ ptl->profile_idc == 6 || ptl->profile_compatibility_flag[6] ||
+ ptl->profile_idc == 7 || ptl->profile_compatibility_flag[7] ||
+ ptl->profile_idc == 8 || ptl->profile_compatibility_flag[8] ||
+ ptl->profile_idc == 9 || ptl->profile_compatibility_flag[9] ||
+ ptl->profile_idc == 10 || ptl->profile_compatibility_flag[10] ||
+ ptl->profile_idc == 11 || ptl->profile_compatibility_flag[11]) {
+ WRITE_BITS (bw, ptl->max_12bit_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->max_10bit_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->max_8bit_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->max_422chroma_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->max_420chroma_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->max_monochrome_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->intra_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->one_picture_only_constraint_flag, 1);
+ WRITE_BITS (bw, ptl->lower_bit_rate_constraint_flag, 1);
+
+ if (ptl->profile_idc == 5 || ptl->profile_compatibility_flag[5] ||
+ ptl->profile_idc == 9 || ptl->profile_compatibility_flag[9] ||
+ ptl->profile_idc == 10 || ptl->profile_compatibility_flag[10] ||
+ ptl->profile_idc == 11 || ptl->profile_compatibility_flag[11]) {
+ WRITE_BITS (bw, ptl->max_14bit_constraint_flag, 1);
+ /* general_reserved_zero_33bits */
+ WRITE_BITS (bw, 0, 32);
+ WRITE_BITS (bw, 0, 1);
+ } else {
+ /* general_reserved_zero_34bits */
+ WRITE_BITS (bw, 0, 32);
+ WRITE_BITS (bw, 0, 2);
+ }
+ } else if (ptl->profile_idc == 2 || ptl->profile_compatibility_flag[2]) {
+ /* general_reserved_zero_7bits */
+ WRITE_BITS (bw, 0, 7);
+ WRITE_BITS (bw, ptl->one_picture_only_constraint_flag, 1);
+ /* general_reserved_zero_35bits */
+ WRITE_BITS (bw, 0, 32);
+ WRITE_BITS (bw, 0, 3);
+ } else {
+ /* general_reserved_zero_43bits */
+ WRITE_BITS (bw, 0, 32);
+ WRITE_BITS (bw, 0, 11);
+ }
+
+ /* general_inbld_flag, just set to 0 */
+ WRITE_BITS (bw, 0, 1);
+
+ WRITE_BITS (bw, ptl->level_idc, 8);
+
+ for (j = 0; j < maxNumSubLayersMinus1; j++) {
+ if (ptl->sub_layer_profile_present_flag[j]) {
+ GST_WARNING ("sub layer profile does not supported now");
+ goto error;
+ }
+ WRITE_BITS (bw, ptl->sub_layer_profile_present_flag[j], 1);
+
+ if (ptl->sub_layer_level_present_flag[j]) {
+ GST_WARNING ("sub layer level does not supported now");
+ goto error;
+ }
+ WRITE_BITS (bw, ptl->sub_layer_level_present_flag[j], 1);
+ }
+
+ if (maxNumSubLayersMinus1 > 0) {
+ for (i = maxNumSubLayersMinus1; i < 8; i++)
+ /* reserved_zero_2bits */
+ WRITE_BITS (bw, 0, 2);
+ }
+
+ /* TODO: Add sub layers profiles. */
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write profile_tier_level");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_sub_layer_hrd_parameters (const GstH265SubLayerHRDParams *
+ sub_hrd, guint8 CpbCnt, guint8 sub_pic_hrd_params_present_flag,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ guint i;
+
+ GST_DEBUG ("writing \"subLayer HRD Parameters\"");
+
+ for (i = 0; i <= CpbCnt; i++) {
+ WRITE_UE_MAX (bw, sub_hrd->bit_rate_value_minus1[i], G_MAXUINT32 - 1);
+ WRITE_UE_MAX (bw, sub_hrd->cpb_size_value_minus1[i], G_MAXUINT32 - 1);
+
+ if (sub_pic_hrd_params_present_flag) {
+ WRITE_UE_MAX (bw, sub_hrd->cpb_size_du_value_minus1[i], G_MAXUINT32 - 1);
+ WRITE_UE_MAX (bw, sub_hrd->bit_rate_du_value_minus1[i], G_MAXUINT32 - 1);
+ }
+
+ WRITE_BITS (bw, sub_hrd->cbr_flag[i], 1);
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write \"subLayer HRD Parameters \"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_hrd_parameters (const GstH265HRDParams * hrd,
+ guint8 commonInfPresentFlag, guint8 maxNumSubLayersMinus1,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ guint i;
+
+ GST_DEBUG ("writing \"HRD Parameters\"");
+
+ if (commonInfPresentFlag) {
+ WRITE_BITS (bw, hrd->nal_hrd_parameters_present_flag, 1);
+ WRITE_BITS (bw, hrd->vcl_hrd_parameters_present_flag, 1);
+
+ if (hrd->nal_hrd_parameters_present_flag
+ || hrd->vcl_hrd_parameters_present_flag) {
+ WRITE_BITS (bw, hrd->sub_pic_hrd_params_present_flag, 1);
+
+ if (hrd->sub_pic_hrd_params_present_flag) {
+ WRITE_BITS (bw, hrd->tick_divisor_minus2, 8);
+ WRITE_BITS (bw, hrd->du_cpb_removal_delay_increment_length_minus1, 5);
+ WRITE_BITS (bw, hrd->sub_pic_cpb_params_in_pic_timing_sei_flag, 1);
+ WRITE_BITS (bw, hrd->dpb_output_delay_du_length_minus1, 5);
+ }
+
+ WRITE_BITS (bw, hrd->bit_rate_scale, 4);
+ WRITE_BITS (bw, hrd->cpb_size_scale, 4);
+
+ if (hrd->sub_pic_hrd_params_present_flag)
+ WRITE_BITS (bw, hrd->cpb_size_du_scale, 4);
+
+ WRITE_BITS (bw, hrd->initial_cpb_removal_delay_length_minus1, 5);
+ WRITE_BITS (bw, hrd->au_cpb_removal_delay_length_minus1, 5);
+ WRITE_BITS (bw, hrd->dpb_output_delay_length_minus1, 5);
+ }
+ }
+
+ for (i = 0; i <= maxNumSubLayersMinus1; i++) {
+ WRITE_BITS (bw, hrd->fixed_pic_rate_general_flag[i], 1);
+
+ if (!hrd->fixed_pic_rate_general_flag[i]) {
+ WRITE_BITS (bw, hrd->fixed_pic_rate_within_cvs_flag[i], 1);
+ } else {
+ if (hrd->fixed_pic_rate_within_cvs_flag[i] == 0)
+ goto error;
+ }
+
+ if (hrd->fixed_pic_rate_within_cvs_flag[i]) {
+ WRITE_UE_MAX (bw, hrd->elemental_duration_in_tc_minus1[i], 2047);
+ } else {
+ WRITE_BITS (bw, hrd->low_delay_hrd_flag[i], 1);
+ }
+
+ if (!hrd->low_delay_hrd_flag[i])
+ WRITE_UE_MAX (bw, hrd->cpb_cnt_minus1[i], 31);
+
+ if (hrd->nal_hrd_parameters_present_flag)
+ if (!_h265_bit_writer_sub_layer_hrd_parameters
+ (&hrd->sublayer_hrd_params[i], hrd->cpb_cnt_minus1[i],
+ hrd->sub_pic_hrd_params_present_flag, bw, &have_space))
+ goto error;
+
+ /* TODO: need to separate nal and vcl from hrd_parameters. */
+ if (hrd->vcl_hrd_parameters_present_flag)
+ if (!_h265_bit_writer_sub_layer_hrd_parameters
+ (&hrd->sublayer_hrd_params[i], hrd->cpb_cnt_minus1[i],
+ hrd->sub_pic_hrd_params_present_flag, bw, &have_space))
+ goto error;
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write \"HRD Parameters\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_vps (const GstH265VPS * vps, GstBitWriter * bw,
+ gboolean * space)
+{
+ gboolean have_space = TRUE;
+ guint i, j;
+
+ GST_DEBUG ("writing VPS");
+
+ WRITE_BITS (bw, vps->id, 4);
+
+ WRITE_BITS (bw, vps->base_layer_internal_flag, 1);
+ WRITE_BITS (bw, vps->base_layer_available_flag, 1);
+
+ WRITE_BITS (bw, vps->max_layers_minus1, 6);
+ WRITE_BITS (bw, vps->max_sub_layers_minus1, 3);
+ WRITE_BITS (bw, vps->temporal_id_nesting_flag, 1);
+
+ /* reserved_0xffff_16bits */
+ WRITE_BITS (bw, 0xffff, 16);
+
+ if (!_h265_bit_writer_profile_tier_level (&vps->profile_tier_level,
+ vps->max_sub_layers_minus1, bw, &have_space))
+ goto error;
+
+ WRITE_BITS (bw, vps->sub_layer_ordering_info_present_flag, 1);
+
+ for (i = (vps->sub_layer_ordering_info_present_flag ? 0 :
+ vps->max_sub_layers_minus1); i <= vps->max_sub_layers_minus1; i++) {
+ WRITE_UE_MAX (bw, vps->max_dec_pic_buffering_minus1[i], G_MAXUINT32 - 1);
+ WRITE_UE_MAX (bw, vps->max_num_reorder_pics[i],
+ vps->max_dec_pic_buffering_minus1[i]);
+ WRITE_UE_MAX (bw, vps->max_latency_increase_plus1[i], G_MAXUINT32 - 1);
+ }
+
+ /* max_layer_id should be <63, but only support 1 layer now. */
+ if (vps->max_layer_id > 1) {
+ GST_WARNING ("multi layers are not supported now");
+ goto error;
+ }
+
+ WRITE_BITS (bw, vps->max_layer_id, 6);
+
+ if (vps->num_layer_sets_minus1 >= 1) {
+ GST_WARNING ("layer set is not supported now");
+ goto error;
+ }
+ WRITE_UE_MAX (bw, vps->num_layer_sets_minus1, 1023);
+
+ /* TODO: support multi-layer. */
+ for (i = 1; i <= vps->num_layer_sets_minus1; i++) {
+ for (j = 0; j <= vps->max_layer_id; j++) {
+ /* layer_id_included_flag[i][j] */
+ WRITE_BITS (bw, 0, 1);
+ }
+ }
+
+ WRITE_BITS (bw, vps->timing_info_present_flag, 1);
+ if (vps->timing_info_present_flag) {
+ WRITE_BITS (bw, vps->num_units_in_tick, 32);
+ WRITE_BITS (bw, vps->time_scale, 32);
+ WRITE_BITS (bw, vps->poc_proportional_to_timing_flag, 1);
+
+ if (vps->poc_proportional_to_timing_flag)
+ WRITE_UE_MAX (bw, vps->num_ticks_poc_diff_one_minus1, G_MAXUINT32 - 1);
+
+ /* TODO: VPS can have multiple hrd parameters, and therefore hrd_params
+ * should be an array (like Garray). Just support 1 hdr parameter now.
+ */
+ if (vps->num_hrd_parameters > 1) {
+ GST_WARNING ("HRD parameters > 1 is not supported now");
+ goto error;
+ }
+ WRITE_UE_MAX (bw, vps->num_hrd_parameters, vps->num_layer_sets_minus1 + 1);
+
+ if (vps->num_hrd_parameters) {
+ WRITE_UE_MAX (bw, vps->hrd_layer_set_idx, vps->num_layer_sets_minus1);
+
+ if (!_h265_bit_writer_hrd_parameters (&vps->hrd_params,
+ vps->cprms_present_flag, vps->max_sub_layers_minus1,
+ bw, &have_space))
+ goto error;
+ }
+
+ }
+
+ if (vps->vps_extension) {
+ GST_WARNING ("vps extension is not supported now");
+ goto error;
+ }
+ WRITE_BITS (bw, 0, 1);
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("failed to write VPS");
+
+ *space = have_space;
+ return FALSE;
+}
+
+/**
+ * gst_h265_bit_writer_vps:
+ * @vps: the vps of #GstH265VPS to write
+ * @start_code: whether adding the nal start code
+ * @data: (out): the bit stream generated by the sps
+ * @size: (inout): the size in bits of the output
+ *
+ * Generating the according h265 bit stream by providing the vps.
+ *
+ * Returns: a #GstH265BitWriterResult
+ *
+ * Since: 1.22
+ **/
+GstH265BitWriterResult
+gst_h265_bit_writer_vps (const GstH265VPS * vps, gboolean start_code,
+ guint8 * data, gsize * size)
+{
+ gboolean have_space = TRUE;
+ GstBitWriter bw;
+
+ g_return_val_if_fail (vps != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (data != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (size != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (*size > 0, GST_H265_BIT_WRITER_ERROR);
+
+ gst_bit_writer_init_with_data (&bw, data, *size, FALSE);
+
+ if (start_code)
+ WRITE_BITS (&bw, 0x00000001, 32);
+
+ /* NAL unit header */
+ /* forbidden_zero_bit */
+ WRITE_BITS (&bw, 0, 1);
+ /* nal_unit_type */
+ WRITE_BITS (&bw, GST_H265_NAL_VPS, 6);
+ /* nuh_layer_id, only support 0 now */
+ WRITE_BITS (&bw, 0, 6);
+ /* nuh_temporal_id_plus1, only support 1 now */
+ WRITE_BITS (&bw, 1, 3);
+
+ if (!_h265_bit_writer_vps (vps, &bw, &have_space))
+ goto error;
+
+ /* Add trailings. */
+ WRITE_BITS (&bw, 1, 1);
+ if (!gst_bit_writer_align_bytes (&bw, 0)) {
+ have_space = FALSE;
+ goto error;
+ }
+
+ *size = gst_bit_writer_get_size (&bw);
+ gst_bit_writer_reset (&bw);
+
+ return GST_H265_BIT_WRITER_OK;
+
+error:
+ gst_bit_writer_reset (&bw);
+ *size = 0;
+
+ if (!have_space)
+ return GST_H265_BIT_WRITER_NO_MORE_SPACE;
+ return GST_H265_BIT_WRITER_INVALID_DATA;
+}
+
+static gboolean
+_get_scaling_list_params (const GstH265ScalingList * dest_scaling_list,
+ guint8 sizeId, guint8 matrixId, const guint8 ** sl, guint8 * size,
+ gint16 * scaling_list_dc_coef_minus8)
+{
+ switch (sizeId) {
+ case GST_H265_QUANT_MATIX_4X4:
+ *sl = dest_scaling_list->scaling_lists_4x4[matrixId];
+ if (size)
+ *size = 16;
+ break;
+ case GST_H265_QUANT_MATIX_8X8:
+ *sl = dest_scaling_list->scaling_lists_8x8[matrixId];
+ if (size)
+ *size = 64;
+ break;
+ case GST_H265_QUANT_MATIX_16X16:
+ *sl = dest_scaling_list->scaling_lists_16x16[matrixId];
+ if (size)
+ *size = 64;
+ if (scaling_list_dc_coef_minus8)
+ *scaling_list_dc_coef_minus8 =
+ dest_scaling_list->scaling_list_dc_coef_minus8_16x16[matrixId];
+ break;
+ case GST_H265_QUANT_MATIX_32X32:
+ *sl = dest_scaling_list->scaling_lists_32x32[matrixId];
+ if (size)
+ *size = 64;
+ if (scaling_list_dc_coef_minus8)
+ *scaling_list_dc_coef_minus8 =
+ dest_scaling_list->scaling_list_dc_coef_minus8_32x32[matrixId];
+ break;
+ default:
+ g_assert_not_reached ();
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static const guint8 *
+_get_default_scaling_lists (GstH265QuantMatrixSize sizeId, guint8 matrixId)
+{
+ const guint8 *sl;
+
+ switch (sizeId) {
+ case GST_H265_QUANT_MATIX_4X4:
+ sl = default_scaling_list0;
+ break;
+
+ case GST_H265_QUANT_MATIX_8X8:
+ case GST_H265_QUANT_MATIX_16X16:
+ if (matrixId <= 2) {
+ sl = default_scaling_list1;
+ } else {
+ sl = default_scaling_list2;
+ }
+ break;
+
+ case GST_H265_QUANT_MATIX_32X32:
+ if (matrixId == 0) {
+ sl = default_scaling_list1;
+ } else {
+ sl = default_scaling_list2;
+ }
+ break;
+
+ default:
+ g_assert_not_reached ();
+ return NULL;
+ }
+
+ return sl;
+}
+
+static gboolean
+_compare_scaling_list_matrix (GstH265QuantMatrixSize sizeId,
+ const guint8 * sl0, const guint8 * sl1,
+ gint16 dc_coef_minus8_0, gint16 dc_coef_minus8_1)
+{
+ guint size = sizeId == GST_H265_QUANT_MATIX_4X4 ? 16 : 64;
+
+ if (memcmp (sl0, sl1, size * sizeof (guint8)))
+ return FALSE;
+
+ if (sizeId <= GST_H265_QUANT_MATIX_8X8)
+ return TRUE;
+
+ return dc_coef_minus8_0 == dc_coef_minus8_1;
+}
+
+static gboolean
+_h265_bit_writer_scaling_lists (const GstH265ScalingList * src_scaling_list,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ GstH265QuantMatrixSize sizeId;
+ guint8 matrixId;
+ guint8 scaling_list_pred_mode_flag = 0;
+ guint8 size, i, j;
+
+ GST_DEBUG ("writing scaling lists");
+
+ for (sizeId = 0; sizeId <= GST_H265_QUANT_MATIX_32X32; sizeId++) {
+ for (matrixId = 0;
+ matrixId < ((sizeId == GST_H265_QUANT_MATIX_32X32) ? 2 : 6);
+ matrixId++) {
+ gint16 scaling_list_dc_coef_minus8 = 8;
+ const guint8 *sl;
+ const guint8 *default_sl;
+ guint8 nextCoef;
+ gint8 coef_val;
+ guint8 scaling_list_pred_matrix_id_delta;
+
+ if (!_get_scaling_list_params (src_scaling_list, sizeId, matrixId,
+ &sl, &size, &scaling_list_dc_coef_minus8))
+ goto error;
+
+ /* Check whether it is the default matrix. */
+ default_sl = _get_default_scaling_lists (sizeId, matrixId);
+ if (_compare_scaling_list_matrix (sizeId, sl, default_sl,
+ scaling_list_dc_coef_minus8, 8)) {
+ scaling_list_pred_mode_flag = 0;
+ WRITE_BITS (bw, scaling_list_pred_mode_flag, 1);
+ scaling_list_pred_matrix_id_delta = 0;
+ WRITE_UE_MAX (bw, scaling_list_pred_matrix_id_delta, matrixId);
+ continue;
+ }
+
+ /* If some previous matrix is the same, just ref it. */
+ scaling_list_pred_matrix_id_delta = 0;
+ for (j = 0; j < matrixId; j++) {
+ gboolean ret;
+ guint8 size2;
+ const guint8 *sl2;
+ gint16 scaling_list_dc_coef_minus8_2 = 8;
+
+ ret = _get_scaling_list_params (src_scaling_list, sizeId, j,
+ &sl2, &size2, &scaling_list_dc_coef_minus8_2);
+ g_assert (ret);
+ g_assert (size == size2);
+
+ if (_compare_scaling_list_matrix (sizeId, sl, sl2,
+ scaling_list_dc_coef_minus8, scaling_list_dc_coef_minus8_2)) {
+ scaling_list_pred_matrix_id_delta = matrixId - j;
+ break;
+ }
+ }
+
+ if (scaling_list_pred_matrix_id_delta > 0) {
+ scaling_list_pred_mode_flag = 0;
+ WRITE_BITS (bw, scaling_list_pred_mode_flag, 1);
+ WRITE_UE_MAX (bw, scaling_list_pred_matrix_id_delta, matrixId);
+ continue;
+ }
+
+ /* Just explicitly signal all matrix coef. */
+ scaling_list_pred_mode_flag = 1;
+ WRITE_BITS (bw, scaling_list_pred_mode_flag, 1);
+
+ nextCoef = 8;
+
+ if (sizeId > 1) {
+ WRITE_SE_RANGE (bw, scaling_list_dc_coef_minus8, -7, 247);
+ nextCoef = scaling_list_dc_coef_minus8 + 8;
+ }
+
+ for (i = 0; i < size; i++) {
+ coef_val = sl[i] - nextCoef;
+ nextCoef = sl[i];
+
+ if (coef_val > 127) {
+ coef_val = coef_val - 256;
+ }
+ if (coef_val < -128) {
+ coef_val = coef_val + 256;
+ }
+
+ WRITE_SE_RANGE (bw, coef_val, -128, 127);
+ }
+ }
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write scaling lists");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_short_term_ref_pic_set (const GstH265ShortTermRefPicSet *
+ stRPS, guint8 stRpsIdx, const GstH265SPS * sps,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ gint32 prev;
+ gint i = 0;
+
+ GST_DEBUG ("writing \"ShortTermRefPicSetParameter\"");
+
+ if (stRPS->inter_ref_pic_set_prediction_flag) {
+ /* TODO */
+ GST_WARNING ("inter_ref_pic_set_prediction_flag mode not supported");
+ goto error;
+ }
+
+ if (stRpsIdx != 0)
+ WRITE_BITS (bw, stRPS->inter_ref_pic_set_prediction_flag, 1);
+
+ if (stRPS->NumNegativePics + stRPS->NumPositivePics != stRPS->NumDeltaPocs)
+ goto error;
+
+ /* 7-49 */
+ WRITE_UE_MAX (bw, stRPS->NumNegativePics,
+ sps->max_dec_pic_buffering_minus1[sps->max_sub_layers_minus1]);
+ /* 7-50 */
+ WRITE_UE_MAX (bw, stRPS->NumPositivePics,
+ (sps->max_dec_pic_buffering_minus1[sps->max_sub_layers_minus1] -
+ stRPS->NumNegativePics));
+
+ prev = 0;
+ for (i = 0; i < stRPS->NumNegativePics; i++) {
+ WRITE_UE_MAX (bw, prev - stRPS->DeltaPocS0[i] - 1, 32767);
+ prev = stRPS->DeltaPocS0[i];
+ /* 7-51 */
+ WRITE_BITS (bw, stRPS->UsedByCurrPicS0[i], 1);
+ }
+
+ prev = 0;
+ for (i = 0; i < stRPS->NumPositivePics; i++) {
+ WRITE_UE_MAX (bw, stRPS->DeltaPocS1[i] - prev - 1, 32767);
+ prev = stRPS->DeltaPocS1[i];
+ /* 7-52 */
+ WRITE_BITS (bw, stRPS->UsedByCurrPicS1[i], 1);
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write \"ShortTermRefPicSet Parameters\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_vui_parameters (const GstH265SPS * sps,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ const GstH265VUIParams *vui = &sps->vui_params;
+
+ GST_DEBUG ("writing \"VUI Parameters\"");
+
+ WRITE_BITS (bw, vui->aspect_ratio_info_present_flag, 1);
+ if (vui->aspect_ratio_info_present_flag) {
+ WRITE_BITS (bw, vui->aspect_ratio_idc, 8);
+ if (vui->aspect_ratio_idc == EXTENDED_SAR) {
+ WRITE_BITS (bw, vui->sar_width, 16);
+ WRITE_BITS (bw, vui->sar_height, 16);
+ }
+ }
+
+ WRITE_BITS (bw, vui->overscan_info_present_flag, 1);
+ if (vui->overscan_info_present_flag)
+ WRITE_BITS (bw, vui->overscan_appropriate_flag, 1);
+
+ WRITE_BITS (bw, vui->video_signal_type_present_flag, 1);
+ if (vui->video_signal_type_present_flag) {
+ WRITE_BITS (bw, vui->video_format, 3);
+ WRITE_BITS (bw, vui->video_full_range_flag, 1);
+ WRITE_BITS (bw, vui->colour_description_present_flag, 1);
+ if (vui->colour_description_present_flag) {
+ WRITE_BITS (bw, vui->colour_primaries, 8);
+ WRITE_BITS (bw, vui->transfer_characteristics, 8);
+ WRITE_BITS (bw, vui->matrix_coefficients, 8);
+ }
+ }
+
+ WRITE_BITS (bw, vui->chroma_loc_info_present_flag, 1);
+ if (vui->chroma_loc_info_present_flag) {
+ WRITE_UE_MAX (bw, vui->chroma_sample_loc_type_top_field, 5);
+ WRITE_UE_MAX (bw, vui->chroma_sample_loc_type_bottom_field, 5);
+ }
+
+ WRITE_BITS (bw, vui->neutral_chroma_indication_flag, 1);
+ WRITE_BITS (bw, vui->field_seq_flag, 1);
+ WRITE_BITS (bw, vui->frame_field_info_present_flag, 1);
+
+ WRITE_BITS (bw, vui->default_display_window_flag, 1);
+ if (vui->default_display_window_flag) {
+ WRITE_UE (bw, vui->def_disp_win_left_offset);
+ WRITE_UE (bw, vui->def_disp_win_right_offset);
+ WRITE_UE (bw, vui->def_disp_win_top_offset);
+ WRITE_UE (bw, vui->def_disp_win_bottom_offset);
+ }
+
+ WRITE_BITS (bw, vui->timing_info_present_flag, 1);
+ if (vui->timing_info_present_flag) {
+ if (vui->num_units_in_tick == 0)
+ GST_WARNING ("num_units_in_tick = 0 (incompliant to H.265 E.2.1).");
+ WRITE_BITS (bw, vui->num_units_in_tick, 32);
+
+ if (vui->time_scale == 0)
+ GST_WARNING ("time_scale = 0 (incompliant to H.265 E.2.1).");
+ WRITE_BITS (bw, vui->time_scale, 32);
+
+ WRITE_BITS (bw, vui->poc_proportional_to_timing_flag, 1);
+ if (vui->poc_proportional_to_timing_flag)
+ WRITE_UE_MAX (bw, vui->num_ticks_poc_diff_one_minus1, G_MAXUINT32 - 1);
+
+ WRITE_BITS (bw, vui->hrd_parameters_present_flag, 1);
+ if (vui->hrd_parameters_present_flag)
+ if (!_h265_bit_writer_hrd_parameters (&vui->hrd_params, 1,
+ sps->max_sub_layers_minus1, bw, &have_space))
+ goto error;
+ }
+
+ WRITE_BITS (bw, vui->bitstream_restriction_flag, 1);
+ if (vui->bitstream_restriction_flag) {
+ WRITE_BITS (bw, vui->tiles_fixed_structure_flag, 1);
+ WRITE_BITS (bw, vui->motion_vectors_over_pic_boundaries_flag, 1);
+ WRITE_BITS (bw, vui->restricted_ref_pic_lists_flag, 1);
+ WRITE_UE_MAX (bw, vui->min_spatial_segmentation_idc, 4096);
+ WRITE_UE_MAX (bw, vui->max_bytes_per_pic_denom, 16);
+ WRITE_UE_MAX (bw, vui->max_bits_per_min_cu_denom, 16);
+ WRITE_UE_MAX (bw, vui->log2_max_mv_length_horizontal, 16);
+ WRITE_UE_MAX (bw, vui->log2_max_mv_length_vertical, 15);
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write \"VUI Parameters\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_sps (const GstH265SPS * sps,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ guint i;
+
+ GST_DEBUG ("writing SPS");
+
+ WRITE_BITS (bw, sps->vps->id, 4);
+
+ WRITE_BITS (bw, sps->max_sub_layers_minus1, 3);
+ WRITE_BITS (bw, sps->temporal_id_nesting_flag, 1);
+
+ if (!_h265_bit_writer_profile_tier_level (&sps->profile_tier_level,
+ sps->max_sub_layers_minus1, bw, &have_space))
+ goto error;
+
+ WRITE_UE_MAX (bw, sps->id, GST_H265_MAX_SPS_COUNT - 1);
+
+ WRITE_UE_MAX (bw, sps->chroma_format_idc, 3);
+ if (sps->chroma_format_idc == 3)
+ WRITE_BITS (bw, sps->separate_colour_plane_flag, 1);
+
+ if (sps->pic_width_in_luma_samples < 1)
+ goto error;
+ WRITE_UE_MAX (bw, sps->pic_width_in_luma_samples, 16888);
+
+ if (sps->pic_height_in_luma_samples < 1)
+ goto error;
+ WRITE_UE_MAX (bw, sps->pic_height_in_luma_samples, 16888);
+
+ WRITE_BITS (bw, sps->conformance_window_flag, 1);
+ if (sps->conformance_window_flag) {
+ WRITE_UE (bw, sps->conf_win_left_offset);
+ WRITE_UE (bw, sps->conf_win_right_offset);
+ WRITE_UE (bw, sps->conf_win_top_offset);
+ WRITE_UE (bw, sps->conf_win_bottom_offset);
+ }
+
+ WRITE_UE_MAX (bw, sps->bit_depth_luma_minus8, 6);
+ WRITE_UE_MAX (bw, sps->bit_depth_chroma_minus8, 6);
+ WRITE_UE_MAX (bw, sps->log2_max_pic_order_cnt_lsb_minus4, 12);
+
+ WRITE_BITS (bw, sps->sub_layer_ordering_info_present_flag, 1);
+ for (i = (sps->sub_layer_ordering_info_present_flag ? 0 :
+ sps->max_sub_layers_minus1); i <= sps->max_sub_layers_minus1; i++) {
+ WRITE_UE_MAX (bw, sps->max_dec_pic_buffering_minus1[i], 16);
+ WRITE_UE_MAX (bw, sps->max_num_reorder_pics[i],
+ sps->max_dec_pic_buffering_minus1[i]);
+ WRITE_UE_MAX (bw, sps->max_latency_increase_plus1[i], G_MAXUINT32 - 1);
+ }
+
+ /* The limits are calculted based on the profile_tier_level constraint
+ * in Annex-A: CtbLog2SizeY = 4 to 6 */
+ WRITE_UE_MAX (bw, sps->log2_min_luma_coding_block_size_minus3, 3);
+ WRITE_UE_MAX (bw, sps->log2_diff_max_min_luma_coding_block_size, 6);
+ WRITE_UE_MAX (bw, sps->log2_min_transform_block_size_minus2, 3);
+ WRITE_UE_MAX (bw, sps->log2_diff_max_min_transform_block_size, 3);
+ WRITE_UE_MAX (bw, sps->max_transform_hierarchy_depth_inter, 4);
+ WRITE_UE_MAX (bw, sps->max_transform_hierarchy_depth_intra, 4);
+
+ WRITE_BITS (bw, sps->scaling_list_enabled_flag, 1);
+ if (sps->scaling_list_enabled_flag) {
+ WRITE_BITS (bw, sps->scaling_list_data_present_flag, 1);
+
+ if (sps->scaling_list_data_present_flag)
+ if (!_h265_bit_writer_scaling_lists (&sps->scaling_list, bw, &have_space))
+ goto error;
+ }
+
+ WRITE_BITS (bw, sps->amp_enabled_flag, 1);
+ WRITE_BITS (bw, sps->sample_adaptive_offset_enabled_flag, 1);
+ WRITE_BITS (bw, sps->pcm_enabled_flag, 1);
+
+ if (sps->pcm_enabled_flag) {
+ WRITE_BITS (bw, sps->pcm_sample_bit_depth_luma_minus1, 4);
+ WRITE_BITS (bw, sps->pcm_sample_bit_depth_chroma_minus1, 4);
+ WRITE_UE_MAX (bw, sps->log2_min_pcm_luma_coding_block_size_minus3, 2);
+ WRITE_UE_MAX (bw, sps->log2_diff_max_min_pcm_luma_coding_block_size, 2);
+ WRITE_BITS (bw, sps->pcm_loop_filter_disabled_flag, 1);
+ }
+
+ WRITE_UE_MAX (bw, sps->num_short_term_ref_pic_sets, 64);
+ for (i = 0; i < sps->num_short_term_ref_pic_sets; i++) {
+ if (!_h265_bit_writer_short_term_ref_pic_set
+ (&sps->short_term_ref_pic_set[i], i, sps, bw, &have_space))
+ goto error;
+ }
+
+ WRITE_BITS (bw, sps->long_term_ref_pics_present_flag, 1);
+ if (sps->long_term_ref_pics_present_flag) {
+ WRITE_UE_MAX (bw, sps->num_long_term_ref_pics_sps, 32);
+ for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
+ WRITE_BITS (bw, sps->lt_ref_pic_poc_lsb_sps[i],
+ sps->log2_max_pic_order_cnt_lsb_minus4 + 4);
+ WRITE_BITS (bw, sps->used_by_curr_pic_lt_sps_flag[i], 1);
+ }
+ }
+
+ WRITE_BITS (bw, sps->temporal_mvp_enabled_flag, 1);
+ WRITE_BITS (bw, sps->strong_intra_smoothing_enabled_flag, 1);
+ WRITE_BITS (bw, sps->vui_parameters_present_flag, 1);
+
+ if (sps->vui_parameters_present_flag) {
+ if (!_h265_bit_writer_vui_parameters (sps, bw, &have_space))
+ goto error;
+ }
+
+ WRITE_BITS (bw, sps->sps_extension_flag, 1);
+
+ if (sps->sps_extension_flag) {
+ WRITE_BITS (bw, sps->sps_range_extension_flag, 1);
+ WRITE_BITS (bw, sps->sps_multilayer_extension_flag, 1);
+ WRITE_BITS (bw, sps->sps_3d_extension_flag, 1);
+ WRITE_BITS (bw, sps->sps_scc_extension_flag, 1);
+ WRITE_BITS (bw, sps->sps_extension_4bits, 4);
+ }
+
+ if (sps->sps_range_extension_flag) {
+ WRITE_BITS (bw,
+ sps->sps_extnsion_params.transform_skip_rotation_enabled_flag, 1);
+ WRITE_BITS (bw,
+ sps->sps_extnsion_params.transform_skip_context_enabled_flag, 1);
+ WRITE_BITS (bw, sps->sps_extnsion_params.implicit_rdpcm_enabled_flag, 1);
+ WRITE_BITS (bw, sps->sps_extnsion_params.explicit_rdpcm_enabled_flag, 1);
+ WRITE_BITS (bw,
+ sps->sps_extnsion_params.extended_precision_processing_flag, 1);
+ WRITE_BITS (bw, sps->sps_extnsion_params.intra_smoothing_disabled_flag, 1);
+ WRITE_BITS (bw,
+ sps->sps_extnsion_params.high_precision_offsets_enabled_flag, 1);
+ WRITE_BITS (bw,
+ sps->sps_extnsion_params.persistent_rice_adaptation_enabled_flag, 1);
+ WRITE_BITS (bw,
+ sps->sps_extnsion_params.cabac_bypass_alignment_enabled_flag, 1);
+ }
+
+ if (sps->sps_multilayer_extension_flag) {
+ GST_WARNING ("do not support multilayer extension");
+ goto error;
+ }
+ if (sps->sps_3d_extension_flag) {
+ GST_WARNING ("do not support 3d extension");
+ goto error;
+ }
+
+ if (sps->sps_scc_extension_flag) {
+ const GstH265SPSSccExtensionParams *scc_params =
+ &sps->sps_scc_extension_params;
+
+ WRITE_BITS (bw, scc_params->sps_curr_pic_ref_enabled_flag, 1);
+ WRITE_BITS (bw, scc_params->palette_mode_enabled_flag, 1);
+ if (scc_params->palette_mode_enabled_flag) {
+ WRITE_UE_MAX (bw, scc_params->palette_max_size, 64);
+ WRITE_UE_MAX (bw, scc_params->delta_palette_max_predictor_size,
+ 128 - scc_params->palette_max_size);
+
+ WRITE_BITS (bw,
+ scc_params->sps_palette_predictor_initializers_present_flag, 1);
+ if (scc_params->sps_palette_predictor_initializers_present_flag) {
+ guint comp;
+ WRITE_UE_MAX (bw,
+ scc_params->sps_num_palette_predictor_initializer_minus1,
+ scc_params->palette_max_size +
+ scc_params->delta_palette_max_predictor_size - 1);
+
+ for (comp = 0; comp < (sps->chroma_format_idc == 0 ? 1 : 3); comp++) {
+ guint num_bits;
+ guint num =
+ scc_params->sps_num_palette_predictor_initializer_minus1 + 1;
+
+ num_bits = (comp == 0 ? sps->bit_depth_luma_minus8 + 8 :
+ sps->bit_depth_chroma_minus8 + 8);
+ for (i = 0; i < num; i++)
+ WRITE_BITS (bw,
+ scc_params->sps_palette_predictor_initializer[comp][i],
+ num_bits);
+ }
+ }
+ }
+
+ WRITE_BITS (bw, scc_params->motion_vector_resolution_control_idc, 2);
+ WRITE_BITS (bw, scc_params->intra_boundary_filtering_disabled_flag, 1);
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("failed to write SPS");
+
+ *space = have_space;
+ return FALSE;
+}
+
+/**
+ * gst_h265_bit_writer_sps:
+ * @sps: the sps of #GstH265SPS to write
+ * @start_code: whether adding the nal start code
+ * @data: (out): the bit stream generated by the sps
+ * @size: (inout): the size in bits of the output
+ *
+ * Generating the according h265 bit stream by providing the sps.
+ *
+ * Returns: a #GstH265BitWriterResult
+ *
+ * Since: 1.22
+ **/
+GstH265BitWriterResult
+gst_h265_bit_writer_sps (const GstH265SPS * sps, gboolean start_code,
+ guint8 * data, gsize * size)
+{
+ gboolean have_space = TRUE;
+ GstBitWriter bw;
+
+ g_return_val_if_fail (sps != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (sps->vps != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (data != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (size != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (*size > 0, GST_H265_BIT_WRITER_ERROR);
+
+ gst_bit_writer_init_with_data (&bw, data, *size, FALSE);
+
+ if (start_code)
+ WRITE_BITS (&bw, 0x00000001, 32);
+
+ /* NAL unit header */
+ /* forbidden_zero_bit */
+ WRITE_BITS (&bw, 0, 1);
+ /* nal_unit_type */
+ WRITE_BITS (&bw, GST_H265_NAL_SPS, 6);
+ /* nuh_layer_id, only support 0 now */
+ WRITE_BITS (&bw, 0, 6);
+ /* nuh_temporal_id_plus1, only support 1 now */
+ WRITE_BITS (&bw, 1, 3);
+
+ if (!_h265_bit_writer_sps (sps, &bw, &have_space))
+ goto error;
+
+ /* Add trailings. */
+ WRITE_BITS (&bw, 1, 1);
+ if (!gst_bit_writer_align_bytes (&bw, 0)) {
+ have_space = FALSE;
+ goto error;
+ }
+
+ *size = gst_bit_writer_get_size (&bw);
+ gst_bit_writer_reset (&bw);
+
+ return GST_H265_BIT_WRITER_OK;
+
+error:
+ gst_bit_writer_reset (&bw);
+ *size = 0;
+
+ if (!have_space)
+ return GST_H265_BIT_WRITER_NO_MORE_SPACE;
+ return GST_H265_BIT_WRITER_INVALID_DATA;
+}
+
+static gboolean
+_h265_bit_writer_pps (const GstH265PPS * pps, GstBitWriter * bw,
+ gboolean * space)
+{
+ gboolean have_space = TRUE;
+
+ GST_DEBUG ("writing PPS");
+
+ WRITE_UE_MAX (bw, pps->id, GST_H265_MAX_PPS_COUNT - 1);
+ WRITE_UE_MAX (bw, pps->sps->id, GST_H265_MAX_SPS_COUNT - 1);
+
+ WRITE_BITS (bw, pps->dependent_slice_segments_enabled_flag, 1);
+ WRITE_BITS (bw, pps->output_flag_present_flag, 1);
+ WRITE_BITS (bw, pps->num_extra_slice_header_bits, 3);
+ WRITE_BITS (bw, pps->sign_data_hiding_enabled_flag, 1);
+ WRITE_BITS (bw, pps->cabac_init_present_flag, 1);
+
+ WRITE_UE_MAX (bw, pps->num_ref_idx_l0_default_active_minus1, 14);
+ WRITE_UE_MAX (bw, pps->num_ref_idx_l1_default_active_minus1, 14);
+ WRITE_SE_RANGE (bw, pps->init_qp_minus26,
+ -(26 + 6 * pps->sps->bit_depth_luma_minus8), 25);
+
+ WRITE_BITS (bw, pps->constrained_intra_pred_flag, 1);
+ WRITE_BITS (bw, pps->transform_skip_enabled_flag, 1);
+
+ WRITE_BITS (bw, pps->cu_qp_delta_enabled_flag, 1);
+ if (pps->cu_qp_delta_enabled_flag)
+ WRITE_UE_MAX (bw, pps->diff_cu_qp_delta_depth,
+ pps->sps->log2_diff_max_min_luma_coding_block_size);
+
+ WRITE_SE_RANGE (bw, pps->cb_qp_offset, -12, 12);
+ WRITE_SE_RANGE (bw, pps->cr_qp_offset, -12, 12);
+
+ WRITE_BITS (bw, pps->slice_chroma_qp_offsets_present_flag, 1);
+ WRITE_BITS (bw, pps->weighted_pred_flag, 1);
+ WRITE_BITS (bw, pps->weighted_bipred_flag, 1);
+ WRITE_BITS (bw, pps->transquant_bypass_enabled_flag, 1);
+ WRITE_BITS (bw, pps->tiles_enabled_flag, 1);
+ WRITE_BITS (bw, pps->entropy_coding_sync_enabled_flag, 1);
+
+ if (pps->tiles_enabled_flag) {
+ if (pps->num_tile_columns_minus1 + 1 >
+ G_N_ELEMENTS (pps->column_width_minus1)) {
+ GST_WARNING ("Invalid \"num_tile_columns_minus1\" %d",
+ pps->num_tile_columns_minus1);
+ goto error;
+ }
+
+ if (pps->num_tile_rows_minus1 + 1 > G_N_ELEMENTS (pps->row_height_minus1)) {
+ GST_WARNING ("Invalid \"num_tile_rows_minus1\" %d",
+ pps->num_tile_rows_minus1);
+ goto error;
+ }
+
+ WRITE_UE_MAX (bw, pps->num_tile_columns_minus1, pps->PicWidthInCtbsY - 1);
+ WRITE_UE_MAX (bw, pps->num_tile_rows_minus1, pps->PicHeightInCtbsY - 1);
+
+ WRITE_BITS (bw, pps->uniform_spacing_flag, 1);
+
+ /* 6.5.1, 6-4, 6-5, 7.4.3.3.1 */
+ if (!pps->uniform_spacing_flag) {
+ guint i;
+
+ for (i = 0; i < pps->num_tile_columns_minus1; i++)
+ WRITE_UE (bw, pps->column_width_minus1[i]);
+
+ for (i = 0; i < pps->num_tile_rows_minus1; i++)
+ WRITE_UE (bw, pps->row_height_minus1[i]);
+ }
+ WRITE_BITS (bw, pps->loop_filter_across_tiles_enabled_flag, 1);
+ }
+
+ WRITE_BITS (bw, pps->loop_filter_across_slices_enabled_flag, 1);
+
+ WRITE_BITS (bw, pps->deblocking_filter_control_present_flag, 1);
+ if (pps->deblocking_filter_control_present_flag) {
+ WRITE_BITS (bw, pps->deblocking_filter_override_enabled_flag, 1);
+
+ WRITE_BITS (bw, pps->deblocking_filter_disabled_flag, 1);
+ if (!pps->deblocking_filter_disabled_flag) {
+ WRITE_SE_RANGE (bw, pps->beta_offset_div2, -6, 6);
+ WRITE_SE_RANGE (bw, pps->tc_offset_div2, -6, +6);
+ }
+ }
+
+ WRITE_BITS (bw, pps->scaling_list_data_present_flag, 1);
+ if (pps->scaling_list_data_present_flag)
+ if (!_h265_bit_writer_scaling_lists (&pps->scaling_list, bw, &have_space))
+ goto error;
+
+ WRITE_BITS (bw, pps->lists_modification_present_flag, 1);
+ WRITE_UE_MAX (bw, pps->log2_parallel_merge_level_minus2, 4);
+
+ /* TODO: slice_segment_header */
+ if (pps->slice_segment_header_extension_present_flag) {
+ GST_WARNING
+ ("slice_segment_header_extension_present_flag is not supported");
+ goto error;
+ }
+ WRITE_BITS (bw, pps->slice_segment_header_extension_present_flag, 1);
+
+ WRITE_BITS (bw, pps->pps_extension_flag, 1);
+
+ if (pps->pps_extension_flag) {
+ WRITE_BITS (bw, pps->pps_range_extension_flag, 1);
+ WRITE_BITS (bw, pps->pps_multilayer_extension_flag, 1);
+ WRITE_BITS (bw, pps->pps_3d_extension_flag, 1);
+ WRITE_BITS (bw, pps->pps_scc_extension_flag, 1);
+ WRITE_BITS (bw, pps->pps_extension_4bits, 4);
+ }
+
+ if (pps->pps_range_extension_flag) {
+ guint i;
+ guint32 MaxBitDepthY, MaxBitDepthC;
+
+ if (pps->transform_skip_enabled_flag)
+ WRITE_UE (bw,
+ pps->pps_extension_params.log2_max_transform_skip_block_size_minus2);
+
+ WRITE_BITS (bw,
+ pps->pps_extension_params.cross_component_prediction_enabled_flag, 1);
+ WRITE_BITS (bw,
+ pps->pps_extension_params.chroma_qp_offset_list_enabled_flag, 1);
+
+ if (pps->pps_extension_params.chroma_qp_offset_list_enabled_flag) {
+ WRITE_UE_MAX (bw,
+ pps->pps_extension_params.diff_cu_chroma_qp_offset_depth,
+ pps->sps->log2_diff_max_min_luma_coding_block_size);
+
+ WRITE_UE_MAX (bw,
+ pps->pps_extension_params.chroma_qp_offset_list_len_minus1, 5);
+ for (i = 0;
+ i <= pps->pps_extension_params.chroma_qp_offset_list_len_minus1;
+ i++) {
+ WRITE_SE_RANGE (bw, pps->pps_extension_params.cb_qp_offset_list[i],
+ -12, 12);
+ WRITE_SE_RANGE (bw, pps->pps_extension_params.cr_qp_offset_list[i],
+ -12, 12);
+ }
+ }
+
+ MaxBitDepthY = pps->sps->bit_depth_luma_minus8 > 2 ?
+ pps->sps->bit_depth_luma_minus8 - 2 : 0;
+ MaxBitDepthC = pps->sps->bit_depth_chroma_minus8 > 2 ?
+ pps->sps->bit_depth_chroma_minus8 - 2 : 0;
+ WRITE_SE_RANGE (bw, pps->pps_extension_params.log2_sao_offset_scale_luma, 0,
+ MaxBitDepthY);
+ WRITE_SE_RANGE (bw, pps->pps_extension_params.log2_sao_offset_scale_chroma,
+ 0, MaxBitDepthC);
+ }
+
+ if (pps->pps_multilayer_extension_flag) {
+ GST_WARNING ("do not support multilayer extension");
+ goto error;
+ }
+
+ if (pps->pps_3d_extension_flag) {
+ GST_WARNING ("do not support 3d extension");
+ goto error;
+ }
+
+ if (pps->pps_scc_extension_flag) {
+ const GstH265PPSSccExtensionParams *pps_scc =
+ &pps->pps_scc_extension_params;
+
+ WRITE_BITS (bw, pps_scc->pps_curr_pic_ref_enabled_flag, 1);
+ WRITE_BITS (bw,
+ pps_scc->residual_adaptive_colour_transform_enabled_flag, 1);
+ if (pps_scc->residual_adaptive_colour_transform_enabled_flag) {
+ WRITE_BITS (bw, pps_scc->pps_slice_act_qp_offsets_present_flag, 1);
+ WRITE_SE_RANGE (bw, (gint8) pps_scc->pps_act_y_qp_offset_plus5, -7, 17);
+ WRITE_SE_RANGE (bw, (gint8) pps_scc->pps_act_cb_qp_offset_plus5, -7, 17);
+ WRITE_SE_RANGE (bw, (gint8) pps_scc->pps_act_cr_qp_offset_plus3, -9, 15);
+ }
+
+ WRITE_BITS (bw,
+ pps_scc->pps_palette_predictor_initializers_present_flag, 1);
+ if (pps_scc->pps_palette_predictor_initializers_present_flag) {
+ guint i;
+
+ WRITE_UE_MAX (bw,
+ pps_scc->pps_num_palette_predictor_initializer,
+ pps->sps->sps_scc_extension_params.palette_max_size +
+ pps->sps->sps_scc_extension_params.delta_palette_max_predictor_size);
+ if (pps_scc->pps_num_palette_predictor_initializer > 0) {
+ guint comp;
+
+ WRITE_BITS (bw, pps_scc->monochrome_palette_flag, 1);
+ /* It is a requirement of bitstream conformance that the value of
+ luma_bit_depth_entry_minus8 shall be equal to the value of
+ bit_depth_luma_minus8 */
+ WRITE_UE_MAX (bw, pps_scc->luma_bit_depth_entry_minus8,
+ pps->sps->bit_depth_luma_minus8);
+ if (!pps_scc->monochrome_palette_flag) {
+ /* It is a requirement of bitstream conformance that the value
+ of chroma_bit_depth_entry_minus8 shall be equal to the value
+ of bit_depth_chroma_minus8. */
+ WRITE_UE_MAX (bw, pps_scc->chroma_bit_depth_entry_minus8,
+ pps->sps->bit_depth_chroma_minus8);
+ }
+
+ for (comp = 0; comp < (pps_scc->monochrome_palette_flag ? 1 : 3);
+ comp++) {
+ guint num_bits;
+ guint num = pps_scc->pps_num_palette_predictor_initializer;
+
+ num_bits = (comp == 0 ?
+ pps_scc->luma_bit_depth_entry_minus8 + 8 :
+ pps_scc->chroma_bit_depth_entry_minus8 + 8);
+ for (i = 0; i < num; i++)
+ WRITE_BITS (bw,
+ pps_scc->pps_palette_predictor_initializer[comp][i], num_bits);
+ }
+ }
+ }
+ }
+
+ return TRUE;
+
+error:
+ GST_WARNING ("failed to write PPS");
+ return FALSE;
+}
+
+/**
+ * gst_h265_bit_writer_pps:
+ * @pps: the pps of #GstH265PPS to write
+ * @start_code: whether adding the nal start code
+ * @data: (out): the bit stream generated by the pps
+ * @size: (inout): the size in bits of the output
+ *
+ * Generating the according h265 bit stream by providing the pps.
+ *
+ * Returns: a #GstH265BitWriterResult
+ *
+ * Since: 1.22
+ **/
+GstH265BitWriterResult
+gst_h265_bit_writer_pps (const GstH265PPS * pps, gboolean start_code,
+ guint8 * data, gsize * size)
+{
+ gboolean have_space = TRUE;
+ GstBitWriter bw;
+
+ g_return_val_if_fail (pps != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (pps->sps != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (data != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (size != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (*size > 0, GST_H265_BIT_WRITER_ERROR);
+
+ gst_bit_writer_init_with_data (&bw, data, *size, FALSE);
+
+ if (start_code)
+ WRITE_BITS (&bw, 0x00000001, 32);
+
+ /* NAL unit header */
+ /* forbidden_zero_bit */
+ WRITE_BITS (&bw, 0, 1);
+ /* nal_unit_type */
+ WRITE_BITS (&bw, GST_H265_NAL_PPS, 6);
+ /* nuh_layer_id, only support 0 now */
+ WRITE_BITS (&bw, 0, 6);
+ /* nuh_temporal_id_plus1, only support 1 now */
+ WRITE_BITS (&bw, 1, 3);
+
+ if (!_h265_bit_writer_pps (pps, &bw, &have_space))
+ goto error;
+
+ /* Add trailings. */
+ WRITE_BITS (&bw, 1, 1);
+ if (!gst_bit_writer_align_bytes (&bw, 0)) {
+ have_space = FALSE;
+ goto error;
+ }
+
+ *size = gst_bit_writer_get_size (&bw);
+ gst_bit_writer_reset (&bw);
+
+ return GST_H265_BIT_WRITER_OK;
+
+error:
+ gst_bit_writer_reset (&bw);
+ *size = 0;
+
+ if (!have_space)
+ return GST_H265_BIT_WRITER_NO_MORE_SPACE;
+ return GST_H265_BIT_WRITER_INVALID_DATA;
+}
+
+static gboolean
+_h265_slice_bit_writer_ref_pic_list_modification (const GstH265SliceHdr *
+ slice, gint NumPocTotalCurr, GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ guint i;
+ const GstH265RefPicListModification *rpl_mod =
+ &slice->ref_pic_list_modification;
+ const guint n = ceil_log2 (NumPocTotalCurr);
+
+ WRITE_BITS (bw, rpl_mod->ref_pic_list_modification_flag_l0, 1);
+
+ if (rpl_mod->ref_pic_list_modification_flag_l0) {
+ for (i = 0; i <= slice->num_ref_idx_l0_active_minus1; i++) {
+ WRITE_BITS (bw, rpl_mod->list_entry_l0[i], n);
+ }
+ }
+
+ if (GST_H265_IS_B_SLICE (slice)) {
+ WRITE_BITS (bw, rpl_mod->ref_pic_list_modification_flag_l1, 1);
+
+ if (rpl_mod->ref_pic_list_modification_flag_l1)
+ for (i = 0; i <= slice->num_ref_idx_l1_active_minus1; i++) {
+ WRITE_BITS (bw, rpl_mod->list_entry_l1[i], n);
+ }
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write \"Reference picture list modifications\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_slice_bit_writer_pred_weight_table (const GstH265SliceHdr * slice,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ const GstH265PredWeightTable *p;
+ const GstH265PPS *pps = slice->pps;
+ const GstH265SPS *sps = pps->sps;
+ gint i, j;
+
+ GST_DEBUG ("writing \"Prediction weight table\"");
+
+ p = &slice->pred_weight_table;
+
+ WRITE_UE_MAX (bw, p->luma_log2_weight_denom, 7);
+
+ if (sps->chroma_format_idc != 0) {
+ WRITE_SE_RANGE (bw, p->delta_chroma_log2_weight_denom,
+ (0 - p->luma_log2_weight_denom), (7 - p->luma_log2_weight_denom));
+ }
+
+ for (i = 0; i <= slice->num_ref_idx_l0_active_minus1; i++)
+ WRITE_BITS (bw, p->luma_weight_l0_flag[i], 1);
+
+ if (sps->chroma_format_idc != 0)
+ for (i = 0; i <= slice->num_ref_idx_l0_active_minus1; i++)
+ WRITE_BITS (bw, p->chroma_weight_l0_flag[i], 1);
+
+ for (i = 0; i <= slice->num_ref_idx_l0_active_minus1; i++) {
+ if (p->luma_weight_l0_flag[i]) {
+ WRITE_SE_RANGE (bw, p->delta_luma_weight_l0[i], -128, 127);
+ WRITE_SE_RANGE (bw, p->luma_offset_l0[i], -128, 127);
+ }
+ if (p->chroma_weight_l0_flag[i])
+ for (j = 0; j < 2; j++) {
+ WRITE_SE_RANGE (bw, p->delta_chroma_weight_l0[i][j], -128, 127);
+ WRITE_SE_RANGE (bw, p->delta_chroma_offset_l0[i][j], -512, 511);
+ }
+ }
+
+ if (GST_H265_IS_B_SLICE (slice)) {
+ for (i = 0; i <= slice->num_ref_idx_l1_active_minus1; i++)
+ WRITE_BITS (bw, p->luma_weight_l1_flag[i], 1);
+
+ if (sps->chroma_format_idc != 0)
+ for (i = 0; i <= slice->num_ref_idx_l1_active_minus1; i++)
+ WRITE_BITS (bw, p->chroma_weight_l1_flag[i], 1);
+
+ for (i = 0; i <= slice->num_ref_idx_l1_active_minus1; i++) {
+ if (p->luma_weight_l1_flag[i]) {
+ WRITE_SE_RANGE (bw, p->delta_luma_weight_l1[i], -128, 127);
+ WRITE_SE_RANGE (bw, p->luma_offset_l1[i], -128, 127);
+ }
+ if (p->chroma_weight_l1_flag[i])
+ for (j = 0; j < 2; j++) {
+ WRITE_SE_RANGE (bw, p->delta_chroma_weight_l1[i][j], -128, 127);
+ WRITE_SE_RANGE (bw, p->delta_chroma_offset_l1[i][j], -512, 511);
+ }
+ }
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write \"Prediction weight table\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_slice_header (const GstH265SliceHdr * slice,
+ guint32 nal_type, GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ guint i;
+ const GstH265SPS *sps = slice->pps->sps;
+ const GstH265PPSSccExtensionParams *pps_scc_extension_params =
+ &slice->pps->pps_scc_extension_params;
+ const GstH265PPSExtensionParams *pps_extension_params =
+ &slice->pps->pps_extension_params;
+
+ GST_DEBUG ("writing slice header");
+
+ WRITE_BITS (bw, slice->first_slice_segment_in_pic_flag, 1);
+
+ if (GST_H265_IS_NAL_TYPE_IRAP (nal_type))
+ WRITE_BITS (bw, slice->no_output_of_prior_pics_flag, 1);
+
+ WRITE_UE_MAX (bw, slice->pps->id, GST_H265_MAX_PPS_COUNT - 1);
+
+ if (!slice->first_slice_segment_in_pic_flag) {
+ const guint n =
+ ceil_log2 (slice->pps->PicWidthInCtbsY * slice->pps->PicHeightInCtbsY);
+
+ if (slice->pps->dependent_slice_segments_enabled_flag)
+ WRITE_BITS (bw, slice->dependent_slice_segment_flag, 1);
+ /* sice_segment_address parsing */
+ WRITE_BITS (bw, slice->segment_address, n);
+ }
+
+ if (!slice->dependent_slice_segment_flag) {
+ for (i = 0; i < slice->pps->num_extra_slice_header_bits; i++) {
+ /* slice_reserved_flag */
+ WRITE_BITS (bw, 0, 1);
+ }
+
+ WRITE_UE_MAX (bw, slice->type, 63);
+
+ if (slice->pps->output_flag_present_flag)
+ WRITE_BITS (bw, slice->pic_output_flag, 1);
+
+ if (sps->separate_colour_plane_flag == 1)
+ WRITE_BITS (bw, slice->colour_plane_id, 2);
+
+ if (!GST_H265_IS_NAL_TYPE_IDR (nal_type)) {
+ WRITE_BITS (bw, slice->pic_order_cnt_lsb,
+ (sps->log2_max_pic_order_cnt_lsb_minus4 + 4));
+
+ WRITE_BITS (bw, slice->short_term_ref_pic_set_sps_flag, 1);
+ if (!slice->short_term_ref_pic_set_sps_flag) {
+ if (!_h265_bit_writer_short_term_ref_pic_set
+ (&slice->short_term_ref_pic_sets, sps->num_short_term_ref_pic_sets,
+ slice->pps->sps, bw, &have_space))
+ goto error;
+ } else if (sps->num_short_term_ref_pic_sets > 1) {
+ const guint n = ceil_log2 (sps->num_short_term_ref_pic_sets);
+
+ if (slice->short_term_ref_pic_set_idx >
+ sps->num_short_term_ref_pic_sets - 1)
+ goto error;
+
+ WRITE_BITS (bw, slice->short_term_ref_pic_set_idx, n);
+ }
+
+ if (sps->long_term_ref_pics_present_flag) {
+ guint32 limit;
+
+ if (sps->num_long_term_ref_pics_sps > 0)
+ WRITE_UE_MAX (bw, slice->num_long_term_sps,
+ sps->num_long_term_ref_pics_sps);
+
+ WRITE_UE_MAX (bw, slice->num_long_term_pics, 16);
+ limit = slice->num_long_term_sps + slice->num_long_term_pics;
+ for (i = 0; i < limit; i++) {
+ if (i < slice->num_long_term_sps) {
+ if (sps->num_long_term_ref_pics_sps > 1) {
+ const guint n = ceil_log2 (sps->num_long_term_ref_pics_sps);
+ WRITE_BITS (bw, slice->lt_idx_sps[i], n);
+ }
+ } else {
+ WRITE_BITS (bw, slice->poc_lsb_lt[i],
+ (sps->log2_max_pic_order_cnt_lsb_minus4 + 4));
+ WRITE_BITS (bw, slice->used_by_curr_pic_lt_flag[i], 1);
+ }
+
+ WRITE_BITS (bw, slice->delta_poc_msb_present_flag[i], 1);
+ if (slice->delta_poc_msb_present_flag[i])
+ WRITE_UE (bw, slice->delta_poc_msb_cycle_lt[i]);
+ }
+ }
+
+ if (sps->temporal_mvp_enabled_flag)
+ WRITE_BITS (bw, slice->temporal_mvp_enabled_flag, 1);
+ }
+
+ if (sps->sample_adaptive_offset_enabled_flag) {
+ gboolean ChromaArrayType =
+ sps->separate_colour_plane_flag == 0 ? sps->chroma_format_idc : 0;
+
+ WRITE_BITS (bw, slice->sao_luma_flag, 1);
+ if (ChromaArrayType)
+ WRITE_BITS (bw, slice->sao_chroma_flag, 1);
+ }
+
+ if (GST_H265_IS_B_SLICE (slice) || GST_H265_IS_P_SLICE (slice)) {
+ WRITE_BITS (bw, slice->num_ref_idx_active_override_flag, 1);
+
+ if (slice->num_ref_idx_active_override_flag) {
+ WRITE_UE_MAX (bw, slice->num_ref_idx_l0_active_minus1, 14);
+ if (GST_H265_IS_B_SLICE (slice))
+ WRITE_UE_MAX (bw, slice->num_ref_idx_l1_active_minus1, 14);
+ }
+
+ if (slice->pps->lists_modification_present_flag
+ && slice->NumPocTotalCurr > 1) {
+ if (!_h265_slice_bit_writer_ref_pic_list_modification (slice,
+ slice->NumPocTotalCurr, bw, &have_space))
+ goto error;
+ }
+
+ if (GST_H265_IS_B_SLICE (slice))
+ WRITE_BITS (bw, slice->mvd_l1_zero_flag, 1);
+
+ if (slice->pps->cabac_init_present_flag)
+ WRITE_BITS (bw, slice->cabac_init_flag, 1);
+
+ if (slice->temporal_mvp_enabled_flag) {
+ if (GST_H265_IS_B_SLICE (slice))
+ WRITE_BITS (bw, slice->collocated_from_l0_flag, 1);
+
+ if ((slice->collocated_from_l0_flag
+ && slice->num_ref_idx_l0_active_minus1 > 0)
+ || (!slice->collocated_from_l0_flag
+ && slice->num_ref_idx_l1_active_minus1 > 0)) {
+ if ((GST_H265_IS_P_SLICE (slice))
+ || ((GST_H265_IS_B_SLICE (slice))
+ && (slice->collocated_from_l0_flag))) {
+ WRITE_UE_MAX (bw, slice->collocated_ref_idx,
+ slice->num_ref_idx_l0_active_minus1);
+ } else if ((GST_H265_IS_B_SLICE (slice))
+ && (!slice->collocated_from_l0_flag)) {
+ WRITE_UE_MAX (bw, slice->collocated_ref_idx,
+ slice->num_ref_idx_l1_active_minus1);
+ }
+ }
+ }
+
+ if ((slice->pps->weighted_pred_flag && GST_H265_IS_P_SLICE (slice)) ||
+ (slice->pps->weighted_bipred_flag && GST_H265_IS_B_SLICE (slice)))
+ if (!_h265_slice_bit_writer_pred_weight_table (slice, bw, &have_space))
+ goto error;
+
+ WRITE_UE_MAX (bw, slice->five_minus_max_num_merge_cand, 4);
+
+ if (sps->sps_scc_extension_params.motion_vector_resolution_control_idc
+ == 2)
+ WRITE_BITS (bw, slice->use_integer_mv_flag, 1);
+ }
+
+ WRITE_SE_RANGE (bw, slice->qp_delta, -87, 77);
+ if (slice->pps->slice_chroma_qp_offsets_present_flag) {
+ WRITE_SE_RANGE (bw, slice->cb_qp_offset, -12, 12);
+ WRITE_SE_RANGE (bw, slice->cr_qp_offset, -12, 12);
+ }
+
+ if (pps_scc_extension_params->pps_slice_act_qp_offsets_present_flag) {
+ WRITE_SE_RANGE (bw, slice->slice_act_y_qp_offset, -12, 12);
+ WRITE_SE_RANGE (bw, slice->slice_act_cb_qp_offset, -12, 12);
+ WRITE_SE_RANGE (bw, slice->slice_act_cr_qp_offset, -12, 12);
+ }
+
+ if (pps_extension_params->chroma_qp_offset_list_enabled_flag)
+ WRITE_BITS (bw, slice->cu_chroma_qp_offset_enabled_flag, 1);
+
+ if (slice->pps->deblocking_filter_override_enabled_flag)
+ WRITE_BITS (bw, slice->deblocking_filter_override_flag, 1);
+
+ if (slice->deblocking_filter_override_flag) {
+ WRITE_BITS (bw, slice->deblocking_filter_disabled_flag, 1);
+
+ if (!slice->deblocking_filter_disabled_flag) {
+ WRITE_SE_RANGE (bw, slice->beta_offset_div2, -6, 6);
+ WRITE_SE_RANGE (bw, slice->tc_offset_div2, -6, 6);
+ }
+ }
+
+ if (slice->pps->loop_filter_across_slices_enabled_flag &&
+ (slice->sao_luma_flag || slice->sao_chroma_flag ||
+ !slice->deblocking_filter_disabled_flag))
+ WRITE_BITS (bw, slice->loop_filter_across_slices_enabled_flag, 1);
+ }
+
+ if (slice->pps->tiles_enabled_flag
+ || slice->pps->entropy_coding_sync_enabled_flag) {
+ guint32 offset_max;
+
+ if (!slice->pps->tiles_enabled_flag
+ && slice->pps->entropy_coding_sync_enabled_flag) {
+ offset_max = slice->pps->PicHeightInCtbsY - 1;
+ } else if (slice->pps->tiles_enabled_flag
+ && !slice->pps->entropy_coding_sync_enabled_flag) {
+ offset_max =
+ (slice->pps->num_tile_columns_minus1 +
+ 1) * (slice->pps->num_tile_rows_minus1 + 1) - 1;
+ } else {
+ offset_max =
+ (slice->pps->num_tile_columns_minus1 +
+ 1) * slice->pps->PicHeightInCtbsY - 1;
+ }
+
+ WRITE_UE_MAX (bw, slice->num_entry_point_offsets, offset_max);
+ if (slice->num_entry_point_offsets > 0) {
+ WRITE_UE_MAX (bw, slice->offset_len_minus1, 31);
+ for (i = 0; i < slice->num_entry_point_offsets; i++)
+ WRITE_BITS (bw, slice->entry_point_offset_minus1[i],
+ (slice->offset_len_minus1 + 1));
+ }
+ }
+
+ /* TODO */
+ if (slice->pps->slice_segment_header_extension_present_flag) {
+ GST_WARNING
+ ("slice_segment_header_extension_present_flag is not supported");
+ goto error;
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write slice header");
+
+ *space = have_space;
+ return FALSE;
+}
+
+/**
+ * gst_h265_bit_writer_slice_hdr:
+ * @slice: the slice header of #GstH265SliceHdr to write
+ * @start_code: whether adding the nal start code
+ * @nal_type: the slice's nal type of #GstH265NalUnitType
+ * @data: (out): the bit stream generated by the slice header
+ * @size: (inout): the size in bits of the output
+ *
+ * Generating the according h265 bit stream by providing the slice header.
+ *
+ * Returns: a #GstH265BitWriterResult
+ *
+ * Since: 1.22
+ **/
+GstH265BitWriterResult
+gst_h265_bit_writer_slice_hdr (const GstH265SliceHdr * slice,
+ gboolean start_code, guint32 nal_type, guint8 * data, gsize * size)
+{
+ gboolean have_space = TRUE;
+ GstBitWriter bw;
+
+ g_return_val_if_fail (slice != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (slice->pps != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (slice->pps->sps != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (data != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (size != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (*size > 0, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (nal_type >= GST_H265_NAL_SLICE_TRAIL_N &&
+ nal_type <= GST_H265_NAL_SLICE_CRA_NUT, GST_H265_BIT_WRITER_ERROR);
+
+ gst_bit_writer_init_with_data (&bw, data, *size, FALSE);
+
+ if (start_code)
+ WRITE_BITS (&bw, 0x00000001, 32);
+
+ /* NAL unit header */
+ /* forbidden_zero_bit */
+ WRITE_BITS (&bw, 0, 1);
+ /* nal_unit_type */
+ WRITE_BITS (&bw, nal_type, 6);
+ /* nuh_layer_id, only support 0 now */
+ WRITE_BITS (&bw, 0, 6);
+ /* nuh_temporal_id_plus1, only support 1 now */
+ WRITE_BITS (&bw, 1, 3);
+
+ if (!_h265_bit_writer_slice_header (slice, nal_type, &bw, &have_space))
+ goto error;
+
+ /* Add trailings. */
+ WRITE_BITS (&bw, 1, 1);
+ if (!gst_bit_writer_align_bytes (&bw, 0)) {
+ have_space = FALSE;
+ goto error;
+ }
+
+ *size = gst_bit_writer_get_size (&bw);
+ gst_bit_writer_reset (&bw);
+ return GST_H265_BIT_WRITER_OK;
+
+error:
+ gst_bit_writer_reset (&bw);
+ *size = 0;
+
+ if (!have_space)
+ return GST_H265_BIT_WRITER_NO_MORE_SPACE;
+ return GST_H265_BIT_WRITER_INVALID_DATA;
+}
+
+
+static gboolean
+_h265_bit_writer_sei_registered_user_data (const GstH265RegisteredUserData *
+ rud, GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+
+ GST_DEBUG ("Writing \"Registered user data\"");
+
+ WRITE_BITS (bw, rud->country_code, 8);
+ if (rud->country_code == 0xff)
+ WRITE_BITS (bw, rud->country_code_extension, 8);
+
+ WRITE_BYTES (bw, rud->data, rud->size);
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_DEBUG ("Failed to write \"Registered user data\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_sei_time_code (const GstH265TimeCode * tc,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+ gint i;
+
+ GST_DEBUG ("Wrtiting \"Time code\"");
+
+ WRITE_BITS (bw, tc->num_clock_ts, 2);
+
+ for (i = 0; i < tc->num_clock_ts; i++) {
+ WRITE_BITS (bw, tc->clock_timestamp_flag[i], 1);
+ if (tc->clock_timestamp_flag[i]) {
+ WRITE_BITS (bw, tc->units_field_based_flag[i], 1);
+ WRITE_BITS (bw, tc->counting_type[i], 5);
+ WRITE_BITS (bw, tc->full_timestamp_flag[i], 1);
+ WRITE_BITS (bw, tc->discontinuity_flag[i], 1);
+ WRITE_BITS (bw, tc->cnt_dropped_flag[i], 1);
+ WRITE_BITS (bw, tc->n_frames[i], 9);
+
+ if (tc->full_timestamp_flag[i]) {
+ WRITE_BITS (bw, tc->seconds_value[i], 6);
+ WRITE_BITS (bw, tc->minutes_value[i], 6);
+ WRITE_BITS (bw, tc->hours_value[i], 5);
+ } else {
+ WRITE_BITS (bw, tc->seconds_flag[i], 1);
+ if (tc->seconds_flag[i]) {
+ WRITE_BITS (bw, tc->seconds_value[i], 6);
+ WRITE_BITS (bw, tc->minutes_flag[i], 1);
+ if (tc->minutes_flag[i]) {
+ WRITE_BITS (bw, tc->minutes_value[i], 6);
+ WRITE_BITS (bw, tc->hours_flag[i], 1);
+ if (tc->hours_flag[i]) {
+ WRITE_BITS (bw, tc->hours_value[i], 5);
+ }
+ }
+ }
+ }
+ }
+
+ WRITE_BITS (bw, tc->time_offset_length[i], 5);
+
+ if (tc->time_offset_length[i] > 0)
+ WRITE_BITS (bw, tc->time_offset_value[i], tc->time_offset_length[i]);
+ }
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("Failed to write \"Time code\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_sei_mastering_display_colour_volume (const
+ GstH265MasteringDisplayColourVolume * mdcv, GstBitWriter * bw,
+ gboolean * space)
+{
+ gboolean have_space = TRUE;
+ gint i;
+
+ GST_DEBUG ("Wrtiting \"Mastering display colour volume\"");
+
+ for (i = 0; i < 3; i++) {
+ WRITE_BITS (bw, mdcv->display_primaries_x[i], 16);
+ WRITE_BITS (bw, mdcv->display_primaries_y[i], 16);
+ }
+
+ WRITE_BITS (bw, mdcv->white_point_x, 16);
+ WRITE_BITS (bw, mdcv->white_point_y, 16);
+ WRITE_BITS (bw, mdcv->max_display_mastering_luminance, 32);
+ WRITE_BITS (bw, mdcv->min_display_mastering_luminance, 32);
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("Failed to write \"Mastering display colour volume\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_sei_content_light_level_info (const
+ GstH265ContentLightLevel * cll, GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+
+ GST_DEBUG ("Writing \"Content light level\"");
+
+ WRITE_BITS (bw, cll->max_content_light_level, 16);
+ WRITE_BITS (bw, cll->max_pic_average_light_level, 16);
+
+ *space = TRUE;
+ return TRUE;
+
+error:
+ GST_WARNING ("Failed to write \"Content light level\"");
+
+ *space = have_space;
+ return FALSE;
+}
+
+static gboolean
+_h265_bit_writer_sei_message (const GstH265SEIMessage * msg,
+ GstBitWriter * bw, gboolean * space)
+{
+ gboolean have_space = TRUE;
+
+ GST_DEBUG ("writing SEI message");
+
+ switch (msg->payloadType) {
+ case GST_H265_SEI_REGISTERED_USER_DATA:
+ if (!_h265_bit_writer_sei_registered_user_data
+ (&msg->payload.registered_user_data, bw, &have_space))
+ goto error;
+ break;
+ case GST_H265_SEI_TIME_CODE:
+ if (!_h265_bit_writer_sei_time_code
+ (&msg->payload.time_code, bw, &have_space))
+ goto error;
+ break;
+ case GST_H265_SEI_MASTERING_DISPLAY_COLOUR_VOLUME:
+ if (!_h265_bit_writer_sei_mastering_display_colour_volume
+ (&msg->payload.mastering_display_colour_volume, bw, &have_space))
+ goto error;
+ break;
+ case GST_H265_SEI_CONTENT_LIGHT_LEVEL:
+ if (!_h265_bit_writer_sei_content_light_level_info
+ (&msg->payload.content_light_level, bw, &have_space))
+ goto error;
+ break;
+ default:
+ break;
+ }
+
+ /* Add trailings. */
+ WRITE_BITS (bw, 1, 1);
+ gst_bit_writer_align_bytes_unchecked (bw, 0);
+
+ *space = TRUE;
+
+ return TRUE;
+
+error:
+ GST_WARNING ("error to write SEI message");
+
+ *space = have_space;
+ return FALSE;
+}
+
+/**
+ * gst_h265_bit_writer_sei:
+ * @sei_messages: An array of #GstH265SEIMessage to write
+ * @start_code: whether adding the nal start code
+ * @data: (out): the bit stream generated by the sei messages
+ * @size: (inout): the size in bits of the output
+ *
+ * Generating the according h265 bit stream by providing sei messages.
+ *
+ * Returns: a #GstH265BitWriterResult
+ *
+ * Since: 1.22
+ **/
+GstH265BitWriterResult
+gst_h265_bit_writer_sei (GArray * sei_messages,
+ GstH265NalUnitType nal_type, gboolean start_code, guint8 * data,
+ gsize * size)
+{
+ gboolean have_space = TRUE;
+ GstBitWriter bw;
+ GstH265SEIMessage *sei;
+ gboolean have_written_data = FALSE;
+ guint i;
+
+ g_return_val_if_fail (sei_messages != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (nal_type == GST_H265_NAL_PREFIX_SEI
+ || nal_type == GST_H265_NAL_SUFFIX_SEI, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (data != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (size != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (*size > 0, GST_H265_BIT_WRITER_ERROR);
+
+ if (nal_type == GST_H265_NAL_PREFIX_SEI) {
+ GST_WARNING ("prefix sei is not supported");
+ return GST_H265_BIT_WRITER_ERROR;
+ }
+
+ gst_bit_writer_init_with_data (&bw, data, *size, FALSE);
+
+ if (start_code)
+ WRITE_BITS (&bw, 0x00000001, 32);
+
+ /* NAL unit header */
+ /* forbidden_zero_bit */
+ WRITE_BITS (&bw, 0, 1);
+ /* nal_unit_type */
+ WRITE_BITS (&bw, nal_type, 6);
+ /* nuh_layer_id, only support 0 now */
+ WRITE_BITS (&bw, 0, 6);
+ /* nuh_temporal_id_plus1, only support 1 now */
+ WRITE_BITS (&bw, 1, 3);
+
+ for (i = 0; i < sei_messages->len; i++) {
+ guint32 payload_size_data;
+ guint32 payload_type_data;
+
+ gst_bit_writer_init (&bw);
+
+ sei = &g_array_index (sei_messages, GstH265SEIMessage, i);
+ if (!_h265_bit_writer_sei_message (sei, &bw, &have_space))
+ goto error;
+
+ if (gst_bit_writer_get_size (&bw) == 0) {
+ GST_FIXME ("Unsupported SEI type %d", sei->payloadType);
+ continue;
+ }
+
+ have_written_data = TRUE;
+
+ g_assert (gst_bit_writer_get_size (&bw) % 8 == 0);
+ payload_size_data = (gst_bit_writer_get_size (&bw) + 7) / 8;
+ payload_type_data = sei->payloadType;
+
+ /* write payload type bytes */
+ while (payload_type_data >= 0xff) {
+ WRITE_BITS (&bw, 0xff, 8);
+ payload_type_data -= -0xff;
+ }
+ WRITE_BITS (&bw, payload_type_data, 8);
+
+ /* write payload size bytes */
+ while (payload_size_data >= 0xff) {
+ WRITE_BITS (&bw, 0xff, 8);
+ payload_size_data -= -0xff;
+ }
+ WRITE_BITS (&bw, payload_size_data, 8);
+
+ if (gst_bit_writer_get_size (&bw) / 8)
+ WRITE_BYTES (&bw, gst_bit_writer_get_data (&bw),
+ gst_bit_writer_get_size (&bw) / 8);
+
+ gst_bit_writer_reset (&bw);
+ }
+
+ if (!have_written_data) {
+ GST_WARNING ("No written sei data");
+ goto error;
+ }
+
+ /* Add trailings. */
+ WRITE_BITS (&bw, 1, 1);
+ if (!gst_bit_writer_align_bytes (&bw, 0)) {
+ have_space = FALSE;
+ goto error;
+ }
+
+ *size = gst_bit_writer_get_size (&bw);
+ gst_bit_writer_reset (&bw);
+ return GST_H265_BIT_WRITER_OK;
+
+error:
+ gst_bit_writer_reset (&bw);
+ *size = 0;
+
+ if (!have_space)
+ return GST_H265_BIT_WRITER_NO_MORE_SPACE;
+ return GST_H265_BIT_WRITER_INVALID_DATA;
+}
+
+/**
+ * gst_h265_bit_writer_aud:
+ * @pic_type: indicate the possible slice types list just
+ * as the H265 spec Table 7-2 defines
+ * @start_code: whether adding the nal start code
+ * @data: (out): the bit stream generated by the aud
+ * @size: (inout): the size in bits of the output
+ *
+ * Generating the according h265 bit stream of an aud.
+ *
+ * Returns: a #GstH265BitWriterResult
+ *
+ * Since: 1.22
+ **/
+GstH265BitWriterResult
+gst_h265_bit_writer_aud (guint8 pic_type, gboolean start_code,
+ guint8 * data, gsize * size)
+{
+ gboolean have_space = TRUE;
+ GstBitWriter bw;
+
+ g_return_val_if_fail (pic_type >= 0 && pic_type <= 2,
+ GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (data != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (size != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (*size > 0, GST_H265_BIT_WRITER_ERROR);
+
+ gst_bit_writer_init_with_data (&bw, data, *size, FALSE);
+
+ if (start_code)
+ WRITE_BITS (&bw, 0x00000001, 32);
+
+ /* NAL unit header */
+ /* forbidden_zero_bit */
+ WRITE_BITS (&bw, 0, 1);
+ /* nal_unit_type */
+ WRITE_BITS (&bw, GST_H265_NAL_AUD, 6);
+ /* nuh_layer_id, only support 0 now */
+ WRITE_BITS (&bw, 0, 6);
+ /* nuh_temporal_id_plus1, only support 1 now */
+ WRITE_BITS (&bw, 1, 3);
+
+ WRITE_BITS (&bw, pic_type, 3);
+
+ /* Add trailings. */
+ WRITE_BITS (&bw, 1, 1);
+ if (!gst_bit_writer_align_bytes (&bw, 0)) {
+ goto error;
+ }
+
+ *size = gst_bit_writer_get_size (&bw);
+ gst_bit_writer_reset (&bw);
+
+ return GST_H265_BIT_WRITER_OK;
+
+error:
+ gst_bit_writer_reset (&bw);
+ *size = 0;
+
+ if (!have_space)
+ return GST_H265_BIT_WRITER_NO_MORE_SPACE;
+ return GST_H265_BIT_WRITER_INVALID_DATA;
+}
+
+/**
+ * gst_h265_bit_writer_convert_to_nal:
+ * @nal_prefix_size: the size in bytes for the prefix of a nal, may
+ * be 2, 3 or 4
+ * @packetized: whether to write the bit stream in packetized format,
+ * which does not have the start code but has a @nal_prefix_size bytes'
+ * size prepending to the real nal data
+ * @has_startcode: whether the input already has a start code
+ * @add_trailings: whether to add rbsp trailing bits to make the output
+ * aligned to byte
+ * @raw_data: the input bit stream
+ * @raw_size: the size in bits of the input bit stream
+ * @nal_data: (out): the output bit stream converted to a real nal
+ * @nal_size: (inout): the size in bytes of the output
+ *
+ * Converting a bit stream into a real nal packet. If the bit stream already
+ * has a start code, it will be replaced by the new one specified by the
+ * @nal_prefix_size and @packetized. It is assured that the output aligns to
+ * the byte and the all the emulations are inserted.
+ *
+ * Returns: a #GstH265BitWriterResult
+ *
+ * Since: 1.22
+ **/
+GstH265BitWriterResult
+gst_h265_bit_writer_convert_to_nal (guint nal_prefix_size,
+ gboolean packetized, gboolean has_startcode, gboolean add_trailings,
+ const guint8 * raw_data, gsize raw_size, guint8 * nal_data,
+ guint32 * nal_size)
+{
+ NalWriter nw;
+ guint8 *data;
+ guint32 size = 0;
+ gboolean need_more_space = FALSE;
+
+ g_return_val_if_fail (
+ (packetized && nal_prefix_size > 1 && nal_prefix_size < 5) ||
+ (!packetized && (nal_prefix_size == 3 || nal_prefix_size == 4)),
+ GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (raw_data != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (raw_size > 0, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (nal_data != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (nal_size != NULL, GST_H265_BIT_WRITER_ERROR);
+ g_return_val_if_fail (*nal_size > 0, GST_H265_BIT_WRITER_ERROR);
+
+ if (has_startcode) {
+ /* Skip the start code, the NalWriter will add it automatically. */
+ if (raw_size >= 4 && raw_data[0] == 0
+ && raw_data[1] == 0 && raw_data[2] == 0 && raw_data[3] == 0x01) {
+ raw_data += 4;
+ raw_size -= 4 * 8;
+ } else if (raw_size >= 3 && raw_data[0] == 0 && raw_data[1] == 0
+ && raw_data[2] == 0x01) {
+ raw_data += 3;
+ raw_size -= 3 * 8;
+ } else {
+ /* Fail to find the start code. */
+ g_return_val_if_reached (GST_H265_BIT_WRITER_ERROR);
+ }
+ }
+
+ /* If no RBSP trailing needed, it must align to byte. We assume
+ that the rbsp trailing bits are already added. */
+ if (!add_trailings)
+ g_return_val_if_fail (raw_size % 8 == 0, GST_H265_BIT_WRITER_ERROR);
+
+ nal_writer_init (&nw, nal_prefix_size, packetized);
+
+ if (!nal_writer_put_bytes (&nw, raw_data, raw_size / 8))
+ goto error;
+
+ if (raw_size % 8) {
+ if (!nal_writer_put_bits_uint8 (&nw, *(raw_data + raw_size / 8),
+ raw_size % 8))
+ goto error;
+ }
+
+ if (add_trailings) {
+ if (!nal_writer_do_rbsp_trailing_bits (&nw))
+ goto error;
+ }
+
+ data = nal_writer_reset_and_get_data (&nw, &size);
+ if (!data)
+ goto error;
+
+ if (size > *nal_size) {
+ need_more_space = TRUE;
+ g_free (data);
+ goto error;
+ }
+
+ memcpy (nal_data, data, size);
+ *nal_size = size;
+ g_free (data);
+ nal_writer_reset (&nw);
+ return GST_H265_BIT_WRITER_OK;
+
+error:
+ nal_writer_reset (&nw);
+ *nal_size = 0;
+
+ GST_WARNING ("Failed to convert nal data");
+
+ if (need_more_space)
+ return GST_H265_BIT_WRITER_NO_MORE_SPACE;
+ return GST_H265_BIT_WRITER_INVALID_DATA;
+}
projects / platform / upstream / gstreamer.git / commitdiff