From 3480fcc8d76f928df264e92de9d1efe4a5193390 Mon Sep 17 00:00:00 2001 From: Gwenole Beauchesne Date: Wed, 31 Oct 2012 11:52:03 +0100 Subject: [PATCH] h264: introduce per-field POC in GstVaapiPictureH264. Use the POC member available in the GstVaapiPicture base class and get rid of the dependency on the local VAPictureH264 TopFieldOrderCnt and BottomFieldOrderCnt. Rather, use a simple field_poc[] array initialized to INT_MAX, so that to simplify picture POC calculation for non frame pictures. --- gst-libs/gst/vaapi/gstvaapidecoder_h264.c | 67 +++++++++++++------------------ 1 file changed, 29 insertions(+), 38 deletions(-) diff --git a/gst-libs/gst/vaapi/gstvaapidecoder_h264.c b/gst-libs/gst/vaapi/gstvaapidecoder_h264.c index 6bc0582..7c5f610 100644 --- a/gst-libs/gst/vaapi/gstvaapidecoder_h264.c +++ b/gst-libs/gst/vaapi/gstvaapidecoder_h264.c @@ -45,6 +45,10 @@ typedef struct _GstVaapiPictureH264Class GstVaapiPictureH264Class; typedef struct _GstVaapiSliceH264 GstVaapiSliceH264; typedef struct _GstVaapiSliceH264Class GstVaapiSliceH264Class; +// Used for field_poc[] +#define TOP_FIELD 0 +#define BOTTOM_FIELD 1 + /* ------------------------------------------------------------------------- */ /* --- H.264 Pictures --- */ /* ------------------------------------------------------------------------- */ @@ -114,9 +118,8 @@ enum { struct _GstVaapiPictureH264 { GstVaapiPicture base; - VAPictureH264 info; GstH264PPS *pps; - gint32 poc; + gint32 field_poc[2]; gint32 frame_num; // Original frame_num from slice_header() gint32 frame_num_wrap; // Temporary for ref pic marking: FrameNumWrap gint32 long_term_frame_idx; // Temporary for ref pic marking: LongTermFrameIdx @@ -152,14 +155,8 @@ gst_vaapi_picture_h264_create( static void gst_vaapi_picture_h264_init(GstVaapiPictureH264 *picture) { - VAPictureH264 *va_pic; - - va_pic = &picture->info; - va_pic->flags = 0; - va_pic->TopFieldOrderCnt = 0; - va_pic->BottomFieldOrderCnt = 0; - - picture->poc = 0; + picture->field_poc[0] = G_MAXINT32; + picture->field_poc[1] = G_MAXINT32; picture->output_needed = FALSE; } @@ -291,10 +288,6 @@ G_DEFINE_TYPE(GstVaapiDecoderH264, GST_VAAPI_TYPE_DECODER_H264, \ GstVaapiDecoderH264Private)) -// Used for field_poc[] -#define TOP_FIELD 0 -#define BOTTOM_FIELD 1 - struct _GstVaapiDecoderH264Private { GstAdapter *adapter; GstH264NalParser *parser; @@ -448,7 +441,7 @@ dpb_bump(GstVaapiDecoderH264 *decoder) lowest_poc_index = i++; for (; i < priv->dpb_count; i++) { GstVaapiPictureH264 * const picture = priv->dpb[i]; - if (picture->output_needed && picture->poc < priv->dpb[lowest_poc_index]->poc) + if (picture->output_needed && picture->base.poc < priv->dpb[lowest_poc_index]->base.poc) lowest_poc_index = i; } @@ -507,7 +500,7 @@ dpb_add(GstVaapiDecoderH264 *decoder, GstVaapiPictureH264 *picture) while (priv->dpb_count == priv->dpb_size) { for (i = 0; i < priv->dpb_count; i++) { if (priv->dpb[i]->output_needed && - priv->dpb[i]->poc < picture->poc) + priv->dpb[i]->base.poc < picture->base.poc) break; } if (i == priv->dpb_count) @@ -1106,7 +1099,6 @@ init_picture_poc( ) { GstVaapiDecoderH264Private * const priv = decoder->priv; - VAPictureH264 * const pic = &picture->info; GstH264PPS * const pps = slice_hdr->pps; GstH264SPS * const sps = pps->sequence; @@ -1123,10 +1115,10 @@ init_picture_poc( } if (picture->base.structure != GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD) - pic->TopFieldOrderCnt = priv->field_poc[TOP_FIELD]; + picture->field_poc[TOP_FIELD] = priv->field_poc[TOP_FIELD]; if (picture->base.structure != GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD) - pic->BottomFieldOrderCnt = priv->field_poc[BOTTOM_FIELD]; - picture->poc = MIN(pic->TopFieldOrderCnt, pic->BottomFieldOrderCnt); + picture->field_poc[BOTTOM_FIELD] = priv->field_poc[BOTTOM_FIELD]; + picture->base.poc = MIN(picture->field_poc[0], picture->field_poc[1]); } static int @@ -1153,7 +1145,7 @@ compare_picture_poc_dec(const void *a, const void *b) const GstVaapiPictureH264 * const picA = *(GstVaapiPictureH264 **)a; const GstVaapiPictureH264 * const picB = *(GstVaapiPictureH264 **)b; - return picB->poc - picA->poc; + return picB->base.poc - picA->base.poc; } static int @@ -1162,7 +1154,7 @@ compare_picture_poc_inc(const void *a, const void *b) const GstVaapiPictureH264 * const picA = *(GstVaapiPictureH264 **)a; const GstVaapiPictureH264 * const picB = *(GstVaapiPictureH264 **)b; - return picA->poc - picB->poc; + return picA->base.poc - picB->base.poc; } static int @@ -1318,7 +1310,7 @@ init_picture_refs_b_slice( // 1. Short-term references ref_list = priv->RefPicList0; for (n = 0, i = 0; i < priv->short_ref_count; i++) { - if (priv->short_ref[i]->poc < picture->poc) + if (priv->short_ref[i]->base.poc < picture->base.poc) ref_list[n++] = priv->short_ref[i]; } SORT_REF_LIST(ref_list, n, poc_dec); @@ -1326,7 +1318,7 @@ init_picture_refs_b_slice( ref_list = &priv->RefPicList0[priv->RefPicList0_count]; for (n = 0, i = 0; i < priv->short_ref_count; i++) { - if (priv->short_ref[i]->poc >= picture->poc) + if (priv->short_ref[i]->base.poc >= picture->base.poc) ref_list[n++] = priv->short_ref[i]; } SORT_REF_LIST(ref_list, n, poc_inc); @@ -1347,7 +1339,7 @@ init_picture_refs_b_slice( // 1. Short-term references ref_list = priv->RefPicList1; for (n = 0, i = 0; i < priv->short_ref_count; i++) { - if (priv->short_ref[i]->poc > picture->poc) + if (priv->short_ref[i]->base.poc > picture->base.poc) ref_list[n++] = priv->short_ref[i]; } SORT_REF_LIST(ref_list, n, poc_inc); @@ -1355,7 +1347,7 @@ init_picture_refs_b_slice( ref_list = &priv->RefPicList1[priv->RefPicList1_count]; for (n = 0, i = 0; i < priv->short_ref_count; i++) { - if (priv->short_ref[i]->poc <= picture->poc) + if (priv->short_ref[i]->base.poc <= picture->base.poc) ref_list[n++] = priv->short_ref[i]; } SORT_REF_LIST(ref_list, n, poc_dec); @@ -1384,7 +1376,7 @@ init_picture_refs_b_slice( if (priv->short_ref_count > 0) { ref_list = short_ref0; for (n = 0, i = 0; i < priv->short_ref_count; i++) { - if (priv->short_ref[i]->poc <= picture->poc) + if (priv->short_ref[i]->base.poc <= picture->base.poc) ref_list[n++] = priv->short_ref[i]; } SORT_REF_LIST(ref_list, n, poc_dec); @@ -1392,7 +1384,7 @@ init_picture_refs_b_slice( ref_list = &short_ref0[short_ref0_count]; for (n = 0, i = 0; i < priv->short_ref_count; i++) { - if (priv->short_ref[i]->poc > picture->poc) + if (priv->short_ref[i]->base.poc > picture->base.poc) ref_list[n++] = priv->short_ref[i]; } SORT_REF_LIST(ref_list, n, poc_inc); @@ -1403,7 +1395,7 @@ init_picture_refs_b_slice( if (priv->short_ref_count > 0) { ref_list = short_ref1; for (n = 0, i = 0; i < priv->short_ref_count; i++) { - if (priv->short_ref[i]->poc > picture->poc) + if (priv->short_ref[i]->base.poc > picture->base.poc) ref_list[n++] = priv->short_ref[i]; } SORT_REF_LIST(ref_list, n, poc_inc); @@ -1411,7 +1403,7 @@ init_picture_refs_b_slice( ref_list = &short_ref1[short_ref1_count]; for (n = 0, i = 0; i < priv->short_ref_count; i++) { - if (priv->short_ref[i]->poc <= picture->poc) + if (priv->short_ref[i]->base.poc <= picture->base.poc) ref_list[n++] = priv->short_ref[i]; } SORT_REF_LIST(ref_list, n, poc_dec); @@ -1935,7 +1927,6 @@ exec_ref_pic_marking_adaptive_mmco_5( ) { GstVaapiDecoderH264Private * const priv = decoder->priv; - VAPictureH264 * const pic = &picture->info; clear_references(decoder, priv->short_ref, &priv->short_ref_count); clear_references(decoder, priv->long_ref, &priv->long_ref_count ); @@ -1950,10 +1941,10 @@ exec_ref_pic_marking_adaptive_mmco_5( /* Update TopFieldOrderCnt and BottomFieldOrderCnt (8.2.1) */ if (picture->base.structure != GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD) - pic->TopFieldOrderCnt -= picture->poc; + picture->field_poc[TOP_FIELD] -= picture->base.poc; if (picture->base.structure != GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD) - pic->BottomFieldOrderCnt -= picture->poc; - picture->poc = 0; + picture->field_poc[BOTTOM_FIELD] -= picture->base.poc; + picture->base.poc = 0; } /* 8.2.5.4.6. Assign a long-term frame index to the current picture */ @@ -2076,17 +2067,17 @@ vaapi_fill_picture(VAPictureH264 *pic, GstVaapiPictureH264 *picture) switch (picture->base.structure) { case GST_VAAPI_PICTURE_STRUCTURE_FRAME: - pic->TopFieldOrderCnt = picture->info.TopFieldOrderCnt; - pic->BottomFieldOrderCnt = picture->info.BottomFieldOrderCnt; + pic->TopFieldOrderCnt = picture->field_poc[TOP_FIELD]; + pic->BottomFieldOrderCnt = picture->field_poc[BOTTOM_FIELD]; break; case GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD: pic->flags |= VA_PICTURE_H264_TOP_FIELD; - pic->TopFieldOrderCnt = picture->info.BottomFieldOrderCnt; + pic->TopFieldOrderCnt = picture->field_poc[TOP_FIELD]; pic->BottomFieldOrderCnt = 0; break; case GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD: pic->flags |= VA_PICTURE_H264_BOTTOM_FIELD; - pic->BottomFieldOrderCnt = picture->info.BottomFieldOrderCnt; + pic->BottomFieldOrderCnt = picture->field_poc[BOTTOM_FIELD]; pic->TopFieldOrderCnt = 0; break; } -- 2.7.4