X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcbs_h264_syntax_template.c;h=b65460996b1b478c1ab0bf7ccf482fc3326cdf9b;hb=1aa72fe79454c8f0a9adcd9ac7e6fbd20bbfe1a4;hp=4da4c5da673603e6fb18cb32ff8575b048bb72a1;hpb=f32d2939555706365ad1d39aadd5ee7ce1d9fa4f;p=ffmpeg diff --git a/libavcodec/cbs_h264_syntax_template.c b/libavcodec/cbs_h264_syntax_template.c index 4da4c5da673..b65460996b1 100644 --- a/libavcodec/cbs_h264_syntax_template.c +++ b/libavcodec/cbs_h264_syntax_template.c @@ -33,9 +33,9 @@ static int FUNC(nal_unit_header)(CodedBitstreamContext *ctx, RWContext *rw, { int err; - u(1, forbidden_zero_bit, 0, 0); - u(2, nal_ref_idc, 0, 3); - u(5, nal_unit_type, 0, 31); + fixed(1, forbidden_zero_bit, 0); + ub(2, nal_ref_idc); + ub(5, nal_unit_type); if (!(1 << current->nal_unit_type & valid_type_mask)) { av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid NAL unit type %d.\n", @@ -91,8 +91,8 @@ static int FUNC(hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw, int err, i; ue(cpb_cnt_minus1, 0, 31); - u(4, bit_rate_scale, 0, 15); - u(4, cpb_size_scale, 0, 15); + ub(4, bit_rate_scale); + ub(4, cpb_size_scale); for (i = 0; i <= current->cpb_cnt_minus1; i++) { ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i); @@ -100,10 +100,10 @@ static int FUNC(hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw, flags(cbr_flag[i], 1, i); } - u(5, initial_cpb_removal_delay_length_minus1, 0, 31); - u(5, cpb_removal_delay_length_minus1, 0, 31); - u(5, dpb_output_delay_length_minus1, 0, 31); - u(5, time_offset_length, 0, 31); + ub(5, initial_cpb_removal_delay_length_minus1); + ub(5, cpb_removal_delay_length_minus1); + ub(5, dpb_output_delay_length_minus1); + ub(5, time_offset_length); return 0; } @@ -115,10 +115,10 @@ static int FUNC(vui_parameters)(CodedBitstreamContext *ctx, RWContext *rw, flag(aspect_ratio_info_present_flag); if (current->aspect_ratio_info_present_flag) { - u(8, aspect_ratio_idc, 0, 255); + ub(8, aspect_ratio_idc); if (current->aspect_ratio_idc == 255) { - u(16, sar_width, 0, 65535); - u(16, sar_height, 0, 65535); + ub(16, sar_width); + ub(16, sar_height); } } else { infer(aspect_ratio_idc, 0); @@ -130,13 +130,17 @@ static int FUNC(vui_parameters)(CodedBitstreamContext *ctx, RWContext *rw, flag(video_signal_type_present_flag); if (current->video_signal_type_present_flag) { - u(3, video_format, 0, 7); + ub(3, video_format); flag(video_full_range_flag); flag(colour_description_present_flag); if (current->colour_description_present_flag) { - u(8, colour_primaries, 0, 255); - u(8, transfer_characteristics, 0, 255); - u(8, matrix_coefficients, 0, 255); + ub(8, colour_primaries); + ub(8, transfer_characteristics); + ub(8, matrix_coefficients); + } else { + infer(colour_primaries, 2); + infer(transfer_characteristics, 2); + infer(matrix_coefficients, 2); } } else { infer(video_format, 5); @@ -263,7 +267,7 @@ static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw, CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header, 1 << H264_NAL_SPS)); - u(8, profile_idc, 0, 255); + ub(8, profile_idc); flag(constraint_set0_flag); flag(constraint_set1_flag); @@ -274,7 +278,7 @@ static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw, u(2, reserved_zero_2bits, 0, 0); - u(8, level_idc, 0, 255); + ub(8, level_idc); ue(seq_parameter_set_id, 0, 31); @@ -386,8 +390,8 @@ static int FUNC(sps_extension)(CodedBitstreamContext *ctx, RWContext *rw, flag(alpha_incr_flag); bits = current->bit_depth_aux_minus8 + 9; - u(bits, alpha_opaque_value, 0, MAX_UINT_BITS(bits)); - u(bits, alpha_transparent_value, 0, MAX_UINT_BITS(bits)); + ub(bits, alpha_opaque_value); + ub(bits, alpha_transparent_value); } flag(additional_extension_flag); @@ -565,7 +569,7 @@ static int FUNC(sei_pic_timestamp)(CodedBitstreamContext *ctx, RWContext *rw, flag(full_timestamp_flag); flag(discontinuity_flag); flag(cnt_dropped_flag); - u(8, n_frames, 0, 255); + ub(8, n_frames); if (current->full_timestamp_flag) { u(6, seconds_value, 0, 59); u(6, minutes_value, 0, 59); @@ -592,8 +596,7 @@ static int FUNC(sei_pic_timestamp)(CodedBitstreamContext *ctx, RWContext *rw, time_offset_length = 24; if (time_offset_length > 0) - u(time_offset_length, time_offset, - 0, MAX_UINT_BITS(time_offset_length)); + ib(time_offset_length, time_offset); else infer(time_offset, 0); @@ -646,14 +649,12 @@ static int FUNC(sei_pic_timing)(CodedBitstreamContext *ctx, RWContext *rw, return AVERROR_INVALIDDATA; } - u(hrd->cpb_removal_delay_length_minus1 + 1, cpb_removal_delay, - 0, MAX_UINT_BITS(hrd->cpb_removal_delay_length_minus1 + 1)); - u(hrd->dpb_output_delay_length_minus1 + 1, dpb_output_delay, - 0, MAX_UINT_BITS(hrd->dpb_output_delay_length_minus1 + 1)); + ub(hrd->cpb_removal_delay_length_minus1 + 1, cpb_removal_delay); + ub(hrd->dpb_output_delay_length_minus1 + 1, dpb_output_delay); } if (sps->vui.pic_struct_present_flag) { - static const int num_clock_ts[9] = { + static const uint8_t num_clock_ts[9] = { 1, 1, 1, 2, 2, 3, 3, 2, 3 }; int i; @@ -789,7 +790,7 @@ static int FUNC(sei_display_orientation)(CodedBitstreamContext *ctx, RWContext * if (!current->display_orientation_cancel_flag) { flag(hor_flip); flag(ver_flip); - u(16, anticlockwise_rotation, 0, 65535); + ub(16, anticlockwise_rotation); ue(display_orientation_repetition_period, 0, 16384); flag(display_orientation_extension_flag); } @@ -818,6 +819,19 @@ static int FUNC(sei_mastering_display_colour_volume)(CodedBitstreamContext *ctx, return 0; } +static int FUNC(sei_alternative_transfer_characteristics)(CodedBitstreamContext *ctx, + RWContext *rw, + H264RawSEIAlternativeTransferCharacteristics *current) +{ + int err; + + HEADER("Alternative Transfer Characteristics"); + + ub(8, preferred_transfer_characteristics); + + return 0; +} + static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIPayload *current) { @@ -869,6 +883,10 @@ static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw, CHECK(FUNC(sei_mastering_display_colour_volume) (ctx, rw, ¤t->payload.mastering_display_colour_volume)); break; + case H264_SEI_TYPE_ALTERNATIVE_TRANSFER: + CHECK(FUNC(sei_alternative_transfer_characteristics) + (ctx, rw, ¤t->payload.alternative_transfer_characteristics)); + break; default: { #ifdef READ @@ -936,6 +954,7 @@ static int FUNC(sei)(CodedBitstreamContext *ctx, RWContext *rw, current->payload[k].payload_type = payload_type; current->payload[k].payload_size = payload_size; + current->payload_count++; CHECK(FUNC(sei_payload)(ctx, rw, ¤t->payload[k])); if (!cbs_h2645_read_more_rbsp_data(rw)) @@ -946,7 +965,6 @@ static int FUNC(sei)(CodedBitstreamContext *ctx, RWContext *rw, "SEI message: found %d.\n", k); return AVERROR_INVALIDDATA; } - current->payload_count = k + 1; #else for (k = 0; k < current->payload_count; k++) { PutBitContext start_state; @@ -995,7 +1013,7 @@ static int FUNC(aud)(CodedBitstreamContext *ctx, RWContext *rw, CHECK(FUNC(nal_unit_header)(ctx, rw, ¤t->nal_unit_header, 1 << H264_NAL_AUD)); - u(3, primary_pic_type, 0, 7); + ub(3, primary_pic_type); CHECK(FUNC(rbsp_trailing_bits)(ctx, rw)); @@ -1231,8 +1249,7 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw, if (sps->separate_colour_plane_flag) u(2, colour_plane_id, 0, 2); - u(sps->log2_max_frame_num_minus4 + 4, frame_num, - 0, MAX_UINT_BITS(sps->log2_max_frame_num_minus4 + 4)); + ub(sps->log2_max_frame_num_minus4 + 4, frame_num); if (!sps->frame_mbs_only_flag) { flag(field_pic_flag); @@ -1249,8 +1266,7 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw, ue(idr_pic_id, 0, 65535); if (sps->pic_order_cnt_type == 0) { - u(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, pic_order_cnt_lsb, - 0, MAX_UINT_BITS(sps->log2_max_pic_order_cnt_lsb_minus4 + 4)); + ub(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, pic_order_cnt_lsb); if (pps->bottom_field_pic_order_in_frame_present_flag && !current->field_pic_flag) se(delta_pic_order_cnt_bottom, INT32_MIN + 1, INT32_MAX); @@ -1350,7 +1366,7 @@ static int FUNC(slice_header)(CodedBitstreamContext *ctx, RWContext *rw, (sps->pic_height_in_map_units_minus1 + 1); max = (pic_size + pps->slice_group_change_rate_minus1) / (pps->slice_group_change_rate_minus1 + 1); - bits = av_log2(2 * max - 1); + bits = av_ceil_log2(max + 1); u(bits, slice_group_change_cycle, 0, max); }