cbs_h2645: Merge SEI message handling in common between codecs

1 files changed, 160 insertions, 140 deletions

diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c
index 4478a6f810..6005d46e0d 100644
--- a/libavcodec/cbs_h2645.c
+++ b/libavcodec/cbs_h2645.c
@@ -348,6 +348,7 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
 
 #define more_rbsp_data(var) ((var) = cbs_h2645_read_more_rbsp_data(rw))
 
+#define bit_position(rw)   (get_bits_count(rw))
 #define byte_alignment(rw) (get_bits_count(rw) % 8)
 
 #define allocate(name, size) do { \
@@ -379,6 +380,7 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
 #undef xse
 #undef infer
 #undef more_rbsp_data
+#undef bit_position
 #undef byte_alignment
 #undef allocate
 
@@ -424,6 +426,7 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
 
 #define more_rbsp_data(var) (var)
 
+#define bit_position(rw)   (put_bits_count(rw))
 #define byte_alignment(rw) (put_bits_count(rw) % 8)
 
 #define allocate(name, size) do { \
@@ -460,6 +463,7 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc)
 #undef se
 #undef infer
 #undef more_rbsp_data
+#undef bit_position
 #undef byte_alignment
 #undef allocate
 
@@ -1381,36 +1385,11 @@ static void cbs_h265_close(CodedBitstreamContext *ctx)
         av_buffer_unref(&h265->pps_ref[i]);
 }
 
-static void cbs_h264_free_sei_payload(H264RawSEIPayload *payload)
-{
-    switch (payload->payload_type) {
-    case SEI_TYPE_BUFFERING_PERIOD:
-    case SEI_TYPE_PIC_TIMING:
-    case SEI_TYPE_PAN_SCAN_RECT:
-    case SEI_TYPE_RECOVERY_POINT:
-    case SEI_TYPE_DISPLAY_ORIENTATION:
-    case SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
-    case SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS:
-        break;
-    case SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
-        av_buffer_unref(&payload->payload.user_data_registered.data_ref);
-        break;
-    case SEI_TYPE_USER_DATA_UNREGISTERED:
-        av_buffer_unref(&payload->payload.user_data_unregistered.data_ref);
-        break;
-    default:
-        av_buffer_unref(&payload->payload.other.data_ref);
-        break;
-    }
-}
-
 static void cbs_h264_free_sei(void *opaque, uint8_t *content)
 {
     H264RawSEI *sei = (H264RawSEI*)content;
-    int i;
-    for (i = 0; i < sei->payload_count; i++)
-        cbs_h264_free_sei_payload(&sei->payload[i]);
-    av_freep(&content);
+    ff_cbs_sei_free_message_list(&sei->message_list);
+    av_free(content);
 }
 
 static const CodedBitstreamUnitTypeDescriptor cbs_h264_unit_types[] = {
@@ -1442,42 +1421,11 @@ static const CodedBitstreamUnitTypeDescriptor cbs_h264_unit_types[] = {
     CBS_UNIT_TYPE_END_OF_LIST
 };
 
-static void cbs_h265_free_sei_payload(H265RawSEIPayload *payload)
-{
-    switch (payload->payload_type) {
-    case SEI_TYPE_BUFFERING_PERIOD:
-    case SEI_TYPE_PIC_TIMING:
-    case SEI_TYPE_PAN_SCAN_RECT:
-    case SEI_TYPE_RECOVERY_POINT:
-    case SEI_TYPE_DISPLAY_ORIENTATION:
-    case SEI_TYPE_ACTIVE_PARAMETER_SETS:
-    case SEI_TYPE_DECODED_PICTURE_HASH:
-    case SEI_TYPE_TIME_CODE:
-    case SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
-    case SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO:
-    case SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS:
-    case SEI_TYPE_ALPHA_CHANNEL_INFO:
-        break;
-    case SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
-        av_buffer_unref(&payload->payload.user_data_registered.data_ref);
-        break;
-    case SEI_TYPE_USER_DATA_UNREGISTERED:
-        av_buffer_unref(&payload->payload.user_data_unregistered.data_ref);
-        break;
-    default:
-        av_buffer_unref(&payload->payload.other.data_ref);
-        break;
-    }
-    av_buffer_unref(&payload->extension_data.data_ref);
-}
-
 static void cbs_h265_free_sei(void *opaque, uint8_t *content)
 {
     H265RawSEI *sei = (H265RawSEI*)content;
-    int i;
-    for (i = 0; i < sei->payload_count; i++)
-        cbs_h265_free_sei_payload(&sei->payload[i]);
-    av_freep(&content);
+    ff_cbs_sei_free_message_list(&sei->message_list);
+    av_free(content);
 }
 
 static const CodedBitstreamUnitTypeDescriptor cbs_h265_unit_types[] = {
@@ -1557,92 +1505,164 @@ const CodedBitstreamType ff_cbs_type_h265 = {
     .close             = &cbs_h265_close,
 };
 
-int ff_cbs_h264_add_sei_message(CodedBitstreamFragment *au,
-                                H264RawSEIPayload *payload)
-{
-    H264RawSEI *sei = NULL;
-    int err, i;
-
-    // Find an existing SEI NAL unit to add to.
-    for (i = 0; i < au->nb_units; i++) {
-        if (au->units[i].type == H264_NAL_SEI) {
-            sei = au->units[i].content;
-            if (sei->payload_count < H264_MAX_SEI_PAYLOADS)
-                break;
-
-            sei = NULL;
-        }
-    }
-
-    if (!sei) {
-        // Need to make a new SEI NAL unit.  Insert it before the first
-        // slice data NAL unit; if no slice data, add at the end.
-        AVBufferRef *sei_ref;
-
-        sei = av_mallocz(sizeof(*sei));
-        if (!sei) {
-            err = AVERROR(ENOMEM);
-            goto fail;
-        }
-
-        sei->nal_unit_header.nal_unit_type = H264_NAL_SEI;
-        sei->nal_unit_header.nal_ref_idc   = 0;
-
-        sei_ref = av_buffer_create((uint8_t*)sei, sizeof(*sei),
-                                   &cbs_h264_free_sei, NULL, 0);
-        if (!sei_ref) {
-            av_freep(&sei);
-            err = AVERROR(ENOMEM);
-            goto fail;
-        }
-
-        for (i = 0; i < au->nb_units; i++) {
-            if (au->units[i].type == H264_NAL_SLICE ||
-                au->units[i].type == H264_NAL_IDR_SLICE)
-                break;
-        }
-
-        err = ff_cbs_insert_unit_content(au, i, H264_NAL_SEI,
-                                         sei, sei_ref);
-        av_buffer_unref(&sei_ref);
-        if (err < 0)
-            goto fail;
-    }
+static const SEIMessageTypeDescriptor cbs_sei_common_types[] = {
+    {
+        SEI_TYPE_FILLER_PAYLOAD,
+        1, 1,
+        sizeof(SEIRawFillerPayload),
+        SEI_MESSAGE_RW(sei, filler_payload),
+    },
+    {
+        SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35,
+        1, 1,
+        sizeof(SEIRawUserDataRegistered),
+        SEI_MESSAGE_RW(sei, user_data_registered),
+    },
+    {
+        SEI_TYPE_USER_DATA_UNREGISTERED,
+        1, 1,
+        sizeof(SEIRawUserDataUnregistered),
+        SEI_MESSAGE_RW(sei, user_data_unregistered),
+    },
+    {
+        SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME,
+        1, 0,
+        sizeof(SEIRawMasteringDisplayColourVolume),
+        SEI_MESSAGE_RW(sei, mastering_display_colour_volume),
+    },
+    {
+        SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO,
+        1, 0,
+        sizeof(SEIRawContentLightLevelInfo),
+        SEI_MESSAGE_RW(sei, content_light_level_info),
+    },
+    {
+        SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS,
+        1, 0,
+        sizeof(SEIRawAlternativeTransferCharacteristics),
+        SEI_MESSAGE_RW(sei, alternative_transfer_characteristics),
+    },
+    SEI_MESSAGE_TYPE_END,
+};
 
-    memcpy(&sei->payload[sei->payload_count], payload, sizeof(*payload));
-    ++sei->payload_count;
+static const SEIMessageTypeDescriptor cbs_sei_h264_types[] = {
+    {
+        SEI_TYPE_BUFFERING_PERIOD,
+        1, 0,
+        sizeof(H264RawSEIBufferingPeriod),
+        SEI_MESSAGE_RW(h264, sei_buffering_period),
+    },
+    {
+        SEI_TYPE_PIC_TIMING,
+        1, 0,
+        sizeof(H264RawSEIPicTiming),
+        SEI_MESSAGE_RW(h264, sei_pic_timing),
+    },
+    {
+        SEI_TYPE_PAN_SCAN_RECT,
+        1, 0,
+        sizeof(H264RawSEIPanScanRect),
+        SEI_MESSAGE_RW(h264, sei_pan_scan_rect),
+    },
+    {
+        SEI_TYPE_RECOVERY_POINT,
+        1, 0,
+        sizeof(H264RawSEIRecoveryPoint),
+        SEI_MESSAGE_RW(h264, sei_recovery_point),
+    },
+    {
+        SEI_TYPE_DISPLAY_ORIENTATION,
+        1, 0,
+        sizeof(H264RawSEIDisplayOrientation),
+        SEI_MESSAGE_RW(h264, sei_display_orientation),
+    },
+    SEI_MESSAGE_TYPE_END
+};
 
-    return 0;
-fail:
-    cbs_h264_free_sei_payload(payload);
-    return err;
-}
+static const SEIMessageTypeDescriptor cbs_sei_h265_types[] = {
+    {
+        SEI_TYPE_BUFFERING_PERIOD,
+        1, 0,
+        sizeof(H265RawSEIBufferingPeriod),
+        SEI_MESSAGE_RW(h265, sei_buffering_period),
+    },
+    {
+        SEI_TYPE_PIC_TIMING,
+        1, 0,
+        sizeof(H265RawSEIPicTiming),
+        SEI_MESSAGE_RW(h265, sei_pic_timing),
+    },
+    {
+        SEI_TYPE_PAN_SCAN_RECT,
+        1, 0,
+        sizeof(H265RawSEIPanScanRect),
+        SEI_MESSAGE_RW(h265, sei_pan_scan_rect),
+    },
+    {
+        SEI_TYPE_RECOVERY_POINT,
+        1, 0,
+        sizeof(H265RawSEIRecoveryPoint),
+        SEI_MESSAGE_RW(h265, sei_recovery_point),
+    },
+    {
+        SEI_TYPE_DISPLAY_ORIENTATION,
+        1, 0,
+        sizeof(H265RawSEIDisplayOrientation),
+        SEI_MESSAGE_RW(h265, sei_display_orientation),
+    },
+    {
+        SEI_TYPE_ACTIVE_PARAMETER_SETS,
+        1, 0,
+        sizeof(H265RawSEIActiveParameterSets),
+        SEI_MESSAGE_RW(h265, sei_active_parameter_sets),
+    },
+    {
+        SEI_TYPE_DECODED_PICTURE_HASH,
+        0, 1,
+        sizeof(H265RawSEIDecodedPictureHash),
+        SEI_MESSAGE_RW(h265, sei_decoded_picture_hash),
+    },
+    {
+        SEI_TYPE_TIME_CODE,
+        1, 0,
+        sizeof(H265RawSEITimeCode),
+        SEI_MESSAGE_RW(h265, sei_time_code),
+    },
+    {
+        SEI_TYPE_ALPHA_CHANNEL_INFO,
+        1, 0,
+        sizeof(H265RawSEIAlphaChannelInfo),
+        SEI_MESSAGE_RW(h265, sei_alpha_channel_info),
+    },
+    SEI_MESSAGE_TYPE_END
+};
 
-void ff_cbs_h264_delete_sei_message(CodedBitstreamFragment *au,
-                                    CodedBitstreamUnit *nal,
-                                    int position)
+const SEIMessageTypeDescriptor *ff_cbs_sei_find_type(CodedBitstreamContext *ctx,
+                                                     int payload_type)
 {
-    H264RawSEI *sei = nal->content;
-
-    av_assert0(nal->type == H264_NAL_SEI);
-    av_assert0(position >= 0 && position < sei->payload_count);
-
-    if (position == 0 && sei->payload_count == 1) {
-        // Deleting NAL unit entirely.
-        int i;
+    const SEIMessageTypeDescriptor *codec_list;
+    int i;
 
-        for (i = 0; i < au->nb_units; i++) {
-            if (&au->units[i] == nal)
-                break;
-        }
+    for (i = 0; cbs_sei_common_types[i].type >= 0; i++) {
+        if (cbs_sei_common_types[i].type == payload_type)
+            return &cbs_sei_common_types[i];
+    }
 
-        ff_cbs_delete_unit(au, i);
-    } else {
-        cbs_h264_free_sei_payload(&sei->payload[position]);
+    switch (ctx->codec->codec_id) {
+    case AV_CODEC_ID_H264:
+        codec_list = cbs_sei_h264_types;
+        break;
+    case AV_CODEC_ID_H265:
+        codec_list = cbs_sei_h265_types;
+        break;
+    default:
+        return NULL;
+    }
 
-        --sei->payload_count;
-        memmove(sei->payload + position,
-                sei->payload + position + 1,
-                (sei->payload_count - position) * sizeof(*sei->payload));
+    for (i = 0; codec_list[i].type >= 0; i++) {
+        if (codec_list[i].type == payload_type)
+            return &codec_list[i];
     }
+
+    return NULL;
 }