com.googlecode.mp4parser.authoring.tracks.h265.SequenceParameterSetRbsp Maven / Gradle / Ivy
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A generic parser and writer for all ISO 14496 based files (MP4, Quicktime, DCF, PDCF, ...)
package com.googlecode.mp4parser.authoring.tracks.h265;
import com.googlecode.mp4parser.h264.read.BitstreamReader;
import com.googlecode.mp4parser.h264.read.CAVLCReader;
import java.io.IOException;
import java.io.InputStream;
/**
* Created by sannies on 03.02.2015.
*/
public class SequenceParameterSetRbsp {
public SequenceParameterSetRbsp(InputStream is) throws IOException {
CAVLCReader bsr = new CAVLCReader(is);
int sps_video_parameter_set_id = (int) bsr.readNBit(4, "sps_video_parameter_set_id");
int sps_max_sub_layers_minus1 = (int) bsr.readNBit(3, "sps_max_sub_layers_minus1");
boolean sps_temporal_id_nesting_flag = bsr.readBool("sps_temporal_id_nesting_flag");
profile_tier_level(sps_max_sub_layers_minus1, bsr);
int sps_seq_parameter_set_id = bsr.readUE("sps_seq_parameter_set_id");
int chroma_format_idc = bsr.readUE("chroma_format_idc");
if (chroma_format_idc == 3) {
int separate_colour_plane_flag = bsr.read1Bit();
int pic_width_in_luma_samples = bsr.readUE("pic_width_in_luma_samples");
int pic_height_in_luma_samples = bsr.readUE("pic_width_in_luma_samples");
boolean conformance_window_flag = bsr.readBool("conformance_window_flag");
if (conformance_window_flag) {
int conf_win_left_offset = bsr.readUE("conf_win_left_offset");
int conf_win_right_offset = bsr.readUE("conf_win_right_offset");
int conf_win_top_offset = bsr.readUE("conf_win_top_offset");
int conf_win_bottom_offset = bsr.readUE("conf_win_bottom_offset");
}
}
int bit_depth_luma_minus8 = bsr.readUE("bit_depth_luma_minus8");
int bit_depth_chroma_minus8 = bsr.readUE("bit_depth_chroma_minus8");
int log2_max_pic_order_cnt_lsb_minus4 = bsr.readUE("log2_max_pic_order_cnt_lsb_minus4");
boolean sps_sub_layer_ordering_info_present_flag = bsr.readBool("sps_sub_layer_ordering_info_present_flag");
int j = sps_max_sub_layers_minus1 - (sps_sub_layer_ordering_info_present_flag ? 0 : sps_max_sub_layers_minus1) + 1;
int sps_max_dec_pic_buffering_minus1[] = new int[j];
int sps_max_num_reorder_pics[] = new int[j];
int sps_max_latency_increase_plus1[] = new int[j];
for (int i = (sps_sub_layer_ordering_info_present_flag ? 0 : sps_max_sub_layers_minus1); i <= sps_max_sub_layers_minus1; i++) {
sps_max_dec_pic_buffering_minus1[i] = bsr.readUE("sps_max_dec_pic_buffering_minus1[" + i + "]");
sps_max_num_reorder_pics[i] = bsr.readUE("sps_max_num_reorder_pics[" + i + "]");
sps_max_latency_increase_plus1[i] = bsr.readUE("sps_max_latency_increase_plus1[" + i + "]");
}
int log2_min_luma_coding_block_size_minus3 = bsr.readUE("log2_min_luma_coding_block_size_minus3");
int log2_diff_max_min_luma_coding_block_size = bsr.readUE("log2_diff_max_min_luma_coding_block_size");
int log2_min_transform_block_size_minus2 = bsr.readUE("log2_min_transform_block_size_minus2");
int log2_diff_max_min_transform_block_size = bsr.readUE("log2_diff_max_min_transform_block_size");
int max_transform_hierarchy_depth_inter = bsr.readUE("max_transform_hierarchy_depth_inter");
int max_transform_hierarchy_depth_intra = bsr.readUE("max_transform_hierarchy_depth_intra");
boolean scaling_list_enabled_flag = bsr.readBool("scaling_list_enabled_flag");
if (scaling_list_enabled_flag) {
boolean sps_scaling_list_data_present_flag = bsr.readBool("sps_scaling_list_data_present_flag");
if (sps_scaling_list_data_present_flag) {
scaling_list_data(bsr);
}
}
boolean amp_enabled_flag = bsr.readBool("amp_enabled_flag");
boolean sample_adaptive_offset_enabled_flag = bsr.readBool("sample_adaptive_offset_enabled_flag");
boolean pcm_enabled_flag = bsr.readBool("pcm_enabled_flag");
if (pcm_enabled_flag) {
int pcm_sample_bit_depth_luma_minus1 = (int) bsr.readNBit(4, "pcm_sample_bit_depth_luma_minus1");
int pcm_sample_bit_depth_chroma_minus1 = (int) bsr.readNBit(4, "pcm_sample_bit_depth_chroma_minus1");
int log2_min_pcm_luma_coding_block_size_minus3 = bsr.readUE("log2_min_pcm_luma_coding_block_size_minus3");
}
}
private void scaling_list_data(CAVLCReader bsr) throws IOException {
boolean[][] scaling_list_pred_mode_flag = new boolean[4][];
int[][] scaling_list_pred_matrix_id_delta = new int[4][];
int[][] scaling_list_dc_coef_minus8 = new int[2][];
int[][][] ScalingList = new int[4][][];
for (int sizeId = 0; sizeId < 4; sizeId++) {
for (int matrixId = 0; matrixId < ((sizeId == 3) ? 2 : 6); matrixId++) {
scaling_list_pred_mode_flag[sizeId] = new boolean[((sizeId == 3) ? 2 : 6)];
scaling_list_pred_matrix_id_delta[sizeId] = new int[((sizeId == 3) ? 2 : 6)];
ScalingList[sizeId] = new int[(sizeId == 3) ? 2 : 6][];
scaling_list_pred_mode_flag[sizeId][matrixId] = bsr.readBool();
if (!scaling_list_pred_mode_flag[sizeId][matrixId]) {
scaling_list_pred_matrix_id_delta[sizeId][matrixId] = bsr.readUE("scaling_list_pred_matrix_id_delta[" + sizeId + "][" + matrixId + "]");
} else {
int nextCoef = 8;
int coefNum = Math.min(64, (1 << (4 + (sizeId << 1))));
if (sizeId > 1) {
scaling_list_dc_coef_minus8[sizeId - 2][matrixId] = bsr.readSE("scaling_list_dc_coef_minus8[" + sizeId + "- 2][" + matrixId + "]");
nextCoef = scaling_list_dc_coef_minus8[sizeId - 2][matrixId] + 8;
}
ScalingList[sizeId][matrixId] = new int[coefNum];
for (int i = 0; i < coefNum; i++) {
int scaling_list_delta_coef = bsr.readSE("scaling_list_delta_coef ");
nextCoef = (nextCoef + scaling_list_delta_coef + 256) % 256;
ScalingList[sizeId][matrixId][i] = nextCoef;
}
}
}
}
}
private void profile_tier_level(int maxNumSubLayersMinus1, CAVLCReader bsr) throws IOException {
int general_profile_space = bsr.readU(2, "general_profile_space");
boolean general_tier_flag = bsr.readBool("general_tier_flag");
int general_profile_idc = bsr.readU(5, "general_profile_idc");
boolean general_profile_compatibility_flag[] = new boolean[32];
for (int j = 0; j < 32; j++) {
general_profile_compatibility_flag[j] = bsr.readBool();
}
boolean general_progressive_source_flag = bsr.readBool("general_progressive_source_flag");
boolean general_interlaced_source_flag = bsr.readBool("general_interlaced_source_flag");
boolean general_non_packed_constraint_flag = bsr.readBool("general_non_packed_constraint_flag");
boolean general_frame_only_constraint_flag = bsr.readBool("general_frame_only_constraint_flag");
long general_reserved_zero_44bits = bsr.readNBit(44, "general_reserved_zero_44bits");
int general_level_idc = bsr.readByte();
boolean[] sub_layer_profile_present_flag = new boolean[maxNumSubLayersMinus1];
boolean[] sub_layer_level_present_flag = new boolean[maxNumSubLayersMinus1];
for (int i = 0; i < maxNumSubLayersMinus1; i++) {
sub_layer_profile_present_flag[i] = bsr.readBool("sub_layer_profile_present_flag[" + i + "]");
sub_layer_level_present_flag[i] = bsr.readBool("sub_layer_level_present_flag[" + i + "]");
}
if (maxNumSubLayersMinus1 > 0) {
int[] reserved_zero_2bits = new int[8];
for (int i = maxNumSubLayersMinus1; i < 8; i++) {
reserved_zero_2bits[i] = bsr.readU(2, "reserved_zero_2bits[" + i + "]");
}
}
int[] sub_layer_profile_space = new int[maxNumSubLayersMinus1];
boolean[] sub_layer_tier_flag = new boolean[maxNumSubLayersMinus1];
int[] sub_layer_profile_idc = new int[maxNumSubLayersMinus1];
boolean[][] sub_layer_profile_compatibility_flag = new boolean[maxNumSubLayersMinus1][32];
boolean[] sub_layer_progressive_source_flag = new boolean[maxNumSubLayersMinus1];
boolean[] sub_layer_interlaced_source_flag = new boolean[maxNumSubLayersMinus1];
boolean[] sub_layer_non_packed_constraint_flag = new boolean[maxNumSubLayersMinus1];
boolean[] sub_layer_frame_only_constraint_flag = new boolean[maxNumSubLayersMinus1];
long[] sub_layer_reserved_zero_44bits = new long[maxNumSubLayersMinus1];
int[] sub_layer_level_idc = new int[maxNumSubLayersMinus1];
for (int i = 0; i < maxNumSubLayersMinus1; i++) {
if (sub_layer_profile_present_flag[i]) {
sub_layer_profile_space[i] = bsr.readU(2, "sub_layer_profile_space[" + i + "]");
sub_layer_tier_flag[i] = bsr.readBool("sub_layer_tier_flag[" + i + "]");
sub_layer_profile_idc[i] = bsr.readU(5, "sub_layer_profile_idc[" + i + "]");
for (int j = 0; j < 32; j++) {
sub_layer_profile_compatibility_flag[i][j] = bsr.readBool("sub_layer_profile_compatibility_flag[" + i + "][" + j + "]");
}
sub_layer_progressive_source_flag[i] = bsr.readBool("sub_layer_progressive_source_flag[" + i + "]");
sub_layer_interlaced_source_flag[i] = bsr.readBool("sub_layer_interlaced_source_flag[" + i + "]");
sub_layer_non_packed_constraint_flag[i] = bsr.readBool("sub_layer_non_packed_constraint_flag[" + i + "]");
sub_layer_frame_only_constraint_flag[i] = bsr.readBool("sub_layer_frame_only_constraint_flag[" + i + "]");
sub_layer_reserved_zero_44bits[i] = bsr.readNBit(44);
}
if (sub_layer_level_present_flag[i]) {
sub_layer_level_idc[i] = bsr.readU(8, "sub_layer_level_idc[" + i + "]");
}
}
}
}