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[82.8.130.139]) by smtp.gmail.com with ESMTPSA id w16sm14706791wrg.95.2020.07.27.09.32.57 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jul 2020 09:32:57 -0700 (PDT) From: Mark Thompson To: ffmpeg-devel@ffmpeg.org Date: Mon, 27 Jul 2020 17:32:30 +0100 Message-Id: <20200727163237.23371-16-sw@jkqxz.net> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200727163237.23371-1-sw@jkqxz.net> References: <20200727163237.23371-1-sw@jkqxz.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v6 15/22] cbs_h264: Add support for frame packing arrangement SEI messages X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" --- libavcodec/cbs_h264.h | 24 ++++++++++++++++ libavcodec/cbs_h2645.c | 1 + libavcodec/cbs_h264_syntax_template.c | 40 +++++++++++++++++++++++++++ 3 files changed, 65 insertions(+) diff --git a/libavcodec/cbs_h264.h b/libavcodec/cbs_h264.h index 88313629f5..ca717a3b57 100644 --- a/libavcodec/cbs_h264.h +++ b/libavcodec/cbs_h264.h @@ -296,6 +296,29 @@ typedef struct H264RawSEIRecoveryPoint { uint8_t changing_slice_group_idc; } H264RawSEIRecoveryPoint; +typedef struct H264RawSEIFramePackingArrangement { + uint32_t frame_packing_arrangement_id; + uint8_t frame_packing_arrangement_cancel_flag; + + uint8_t frame_packing_arrangement_type; + uint8_t quincunx_sampling_flag; + uint8_t content_interpretation_type; + uint8_t spatial_flipping_flag; + uint8_t frame0_flipped_flag; + uint8_t field_views_flag; + uint8_t current_frame_is_frame0_flag; + uint8_t frame0_self_contained_flag; + uint8_t frame1_self_contained_flag; + uint8_t frame0_grid_position_x; + uint8_t frame0_grid_position_y; + uint8_t frame1_grid_position_x; + uint8_t frame1_grid_position_y; + uint8_t frame_packing_arrangement_reserved_byte; + uint16_t frame_packing_arrangement_repetition_period; + + uint8_t frame_packing_arrangement_extension_flag; +} H264RawSEIFramePackingArrangement; + typedef struct H264RawSEIDisplayOrientation { uint8_t display_orientation_cancel_flag; uint8_t hor_flip; @@ -329,6 +352,7 @@ typedef struct H264RawSEIPayload { H264RawSEIUserDataRegistered user_data_registered; H264RawSEIUserDataUnregistered user_data_unregistered; H264RawSEIRecoveryPoint recovery_point; + H264RawSEIFramePackingArrangement frame_packing_arrangement; H264RawSEIDisplayOrientation display_orientation; H264RawSEIMasteringDisplayColourVolume mastering_display_colour_volume; H264RawSEIAlternativeTransferCharacteristics diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c index 603017d8fe..1677731db9 100644 --- a/libavcodec/cbs_h2645.c +++ b/libavcodec/cbs_h2645.c @@ -1331,6 +1331,7 @@ void ff_cbs_h264_free_sei_payload(H264RawSEIPayload *payload) case H264_SEI_TYPE_PIC_TIMING: case H264_SEI_TYPE_PAN_SCAN_RECT: case H264_SEI_TYPE_RECOVERY_POINT: + case H264_SEI_TYPE_FRAME_PACKING: case H264_SEI_TYPE_DISPLAY_ORIENTATION: case H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME: case H264_SEI_TYPE_ALTERNATIVE_TRANSFER: diff --git a/libavcodec/cbs_h264_syntax_template.c b/libavcodec/cbs_h264_syntax_template.c index b65460996b..7880b1472c 100644 --- a/libavcodec/cbs_h264_syntax_template.c +++ b/libavcodec/cbs_h264_syntax_template.c @@ -779,6 +779,42 @@ static int FUNC(sei_recovery_point)(CodedBitstreamContext *ctx, RWContext *rw, return 0; } +static int FUNC(sei_frame_packing_arrangement)(CodedBitstreamContext *ctx, RWContext *rw, + H264RawSEIFramePackingArrangement *current) +{ + int err; + + HEADER("Frame Packing Arrangement"); + + ue(frame_packing_arrangement_id, 0, UINT32_MAX - 1); + flag(frame_packing_arrangement_cancel_flag); + + if (!current->frame_packing_arrangement_cancel_flag) { + u(7, frame_packing_arrangement_type, 0, 7); + flag(quincunx_sampling_flag); + u(6, content_interpretation_type, 0, 2); + flag(spatial_flipping_flag); + flag(frame0_flipped_flag); + flag(field_views_flag); + flag(current_frame_is_frame0_flag); + flag(frame0_self_contained_flag); + flag(frame1_self_contained_flag); + if (!current->quincunx_sampling_flag && + current->frame_packing_arrangement_type != 5) { + ub(4, frame0_grid_position_x); + ub(4, frame0_grid_position_y); + ub(4, frame1_grid_position_x); + ub(4, frame1_grid_position_y); + } + u(8, frame_packing_arrangement_reserved_byte, 0, 0); + ue(frame_packing_arrangement_repetition_period, 0, 16384); + } + + flag(frame_packing_arrangement_extension_flag); + + return 0; +} + static int FUNC(sei_display_orientation)(CodedBitstreamContext *ctx, RWContext *rw, H264RawSEIDisplayOrientation *current) { @@ -879,6 +915,10 @@ static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw, CHECK(FUNC(sei_display_orientation) (ctx, rw, ¤t->payload.display_orientation)); break; + case H264_SEI_TYPE_FRAME_PACKING: + CHECK(FUNC(sei_frame_packing_arrangement) + (ctx, rw, ¤t->payload.frame_packing_arrangement)); + break; case H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME: CHECK(FUNC(sei_mastering_display_colour_volume) (ctx, rw, ¤t->payload.mastering_display_colour_volume));