Added new sequence notification callback for AVC. (#184)
* * rocDecode/AVC: Added new sequence notification callback.
* * rocDecode/AVC: Removed the commented out code.
* * rocDecode/AVC: Changed function name to better describe the operation.
* * rocDecode/AVC: Minor formatting change.
[ROCm/rocdecode commit: a7bb9953c6]
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jeffqjiangNew
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e723871cba
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e416b5a192
@@ -37,8 +37,7 @@ rocDecStatus AvcVideoParser::Initialize(RocdecParserParams *p_params) {
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}
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rocDecStatus AvcVideoParser::UnInitialize() {
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//todo::
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return ROCDEC_NOT_IMPLEMENTED;
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return ROCDEC_SUCCESS;
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}
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rocDecStatus AvcVideoParser::ParseVideoData(RocdecSourceDataPacket *p_data) {
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@@ -49,43 +48,18 @@ rocDecStatus AvcVideoParser::ParseVideoData(RocdecSourceDataPacket *p_data) {
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}
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// Init Roc decoder for the first time or reconfigure the existing decoder
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/*if (new_sps_activated_) {
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if (FillSeqCallbackFn(&pps_list_[active_sps_id_]) != PARSER_OK) {
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if (new_sps_activated_) {
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if (NotifyNewSps(&sps_list_[active_sps_id_]) != PARSER_OK) {
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return ROCDEC_RUNTIME_ERROR;
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}
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new_sps_activated_ = false;
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}
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// Whenever new sei message found
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if (pfn_get_sei_message_cb_ && sei_message_count_ > 0) {
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FillSeiMessageCallbackFn();
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}
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// Decode the picture
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if (SendPicForDecode() != PARSER_OK) {
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ERR(STR("Failed to decode!"));
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return ROCDEC_RUNTIME_ERROR;
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}
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// Output decoded pictures from DPB if any are ready
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if (pfn_display_picture_cb_ && dpb_buffer_.num_output_pics > 0) {
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if (OutputDecodedPictures() != PARSER_OK) {
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return ROCDEC_RUNTIME_ERROR;
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}
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}*/
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pic_count_++;
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} else if (!(p_data->flags & ROCDEC_PKT_ENDOFSTREAM)) {
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// If no payload and EOS is not set, treated as invalid.
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return ROCDEC_INVALID_PARAMETER;
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}
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/*if (p_data->flags & ROCDEC_PKT_ENDOFSTREAM) {
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if (FlushDpb() != PARSER_OK) {
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return ROCDEC_RUNTIME_ERROR;
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}
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}*/
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return ROCDEC_SUCCESS;
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}
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@@ -188,6 +162,100 @@ ParserResult AvcVideoParser::ParsePictureData(const uint8_t *p_stream, uint32_t
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return PARSER_OK;
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}
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ParserResult AvcVideoParser::NotifyNewSps(AvcSeqParameterSet *p_sps) {
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video_format_params_.codec = rocDecVideoCodec_H264;
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video_format_params_.frame_rate.numerator = frame_rate_.numerator;
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video_format_params_.frame_rate.denominator = frame_rate_.denominator;
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video_format_params_.bit_depth_luma_minus8 = p_sps->bit_depth_luma_minus8;
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video_format_params_.bit_depth_chroma_minus8 = p_sps->bit_depth_chroma_minus8;
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video_format_params_.progressive_sequence = p_sps->frame_mbs_only_flag ? 1 : 0;
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video_format_params_.min_num_decode_surfaces = dpb_buffer_.dpb_size;
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video_format_params_.coded_width = pic_width_;
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video_format_params_.coded_height = pic_height_;
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video_format_params_.chroma_format = static_cast<rocDecVideoChromaFormat>(p_sps->chroma_format_idc);
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// Table 6-1
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int sub_width_c, sub_height_c;
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switch (video_format_params_.chroma_format) {
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case rocDecVideoChromaFormat_Monochrome: {
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sub_width_c = 0; // not defined
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sub_height_c = 0; // not defined
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break;
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}
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case rocDecVideoChromaFormat_420: {
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sub_width_c = 2;
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sub_height_c = 2;
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break;
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}
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case rocDecVideoChromaFormat_422: {
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sub_width_c = 2;
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sub_height_c = 1;
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break;
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}
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case rocDecVideoChromaFormat_444: {
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if (p_sps->separate_colour_plane_flag) {
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sub_width_c = 0; // not defined
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sub_height_c = 0; // not defined
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} else {
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sub_width_c = 1;
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sub_height_c = 1;
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}
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break;
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}
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default:
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ERR(STR("Error: Sequence Callback function - Chroma Format is not supported"));
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return PARSER_FAIL;
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}
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int chroma_array_type = p_sps->separate_colour_plane_flag ? 0 : p_sps->chroma_format_idc;
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int crop_unit_x, crop_unit_y;
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if (chroma_array_type == 0) {
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crop_unit_x = 1; // (7-19)
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crop_unit_y = 2 - p_sps->frame_mbs_only_flag; // (7-20)
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} else {
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crop_unit_x = sub_width_c; // (7-21)
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crop_unit_y = sub_height_c * (2 - p_sps->frame_mbs_only_flag); // (7-22)
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}
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if (p_sps->frame_cropping_flag) {
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video_format_params_.display_area.left = crop_unit_x * p_sps->frame_crop_left_offset;
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video_format_params_.display_area.top = crop_unit_y * p_sps->frame_crop_top_offset;
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video_format_params_.display_area.right = pic_width_ - (crop_unit_x * p_sps->frame_crop_right_offset);
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video_format_params_.display_area.bottom = pic_height_ - (crop_unit_y * p_sps->frame_crop_bottom_offset);
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} else { // default values
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video_format_params_.display_area.left = 0;
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video_format_params_.display_area.top = 0;
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video_format_params_.display_area.right = pic_width_;
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video_format_params_.display_area.bottom = pic_height_;
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}
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video_format_params_.bitrate = 0;
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if (p_sps->vui_parameters_present_flag) {
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if (p_sps->vui_seq_parameters.aspect_ratio_info_present_flag) {
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video_format_params_.display_aspect_ratio.x = p_sps->vui_seq_parameters.sar_width;
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video_format_params_.display_aspect_ratio.y = p_sps->vui_seq_parameters.sar_height;
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} else { // default values
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video_format_params_.display_aspect_ratio.x = 0;
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video_format_params_.display_aspect_ratio.y = 0;
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}
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}
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if (p_sps->vui_parameters_present_flag) {
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video_format_params_.video_signal_description.video_format = p_sps->vui_seq_parameters.video_format;
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video_format_params_.video_signal_description.video_full_range_flag = p_sps->vui_seq_parameters.video_full_range_flag;
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video_format_params_.video_signal_description.color_primaries = p_sps->vui_seq_parameters.colour_primaries;
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video_format_params_.video_signal_description.transfer_characteristics = p_sps->vui_seq_parameters.transfer_characteristics;
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video_format_params_.video_signal_description.matrix_coefficients = p_sps->vui_seq_parameters.matrix_coefficients;
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video_format_params_.video_signal_description.reserved_zero_bits = 0;
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}
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video_format_params_.seqhdr_data_length = 0;
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// callback function with RocdecVideoFormat params filled out
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if (pfn_sequece_cb_(parser_params_.pUserData, &video_format_params_) == 0) {
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ERR("Sequence callback function failed.");
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return PARSER_FAIL;
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} else {
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return PARSER_OK;
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}
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}
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AvcNalUnitHeader AvcVideoParser::ParseNalUnitHeader(uint8_t header_byte) {
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size_t bit_offset = 0;
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AvcNalUnitHeader nal_header;
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