diff options
Diffstat (limited to 'libavcodec/h264.c')
| -rw-r--r-- | libavcodec/h264.c | 689 |
1 files changed, 509 insertions, 180 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 224ba2f..a61379c 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2,20 +2,20 @@ * H.26L/H.264/AVC/JVT/14496-10/... decoder * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -25,6 +25,9 @@ * @author Michael Niedermayer <michaelni@gmx.at> */ +#define UNCHECKED_BITSTREAM_READER 1 + +#include "libavutil/avassert.h" #include "libavutil/display.h" #include "libavutil/imgutils.h" #include "libavutil/opt.h" @@ -48,11 +51,18 @@ #include "profiles.h" #include "rectangle.h" #include "thread.h" +#include "vdpau_compat.h" -#include <assert.h> +static int h264_decode_end(AVCodecContext *avctx); const uint16_t ff_h264_mb_sizes[4] = { 256, 384, 512, 768 }; +int avpriv_h264_has_num_reorder_frames(AVCodecContext *avctx) +{ + H264Context *h = avctx->priv_data; + return h && h->ps.sps ? h->ps.sps->num_reorder_frames : 0; +} + static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type, int (*mv)[2][4][2], int mb_x, int mb_y, int mb_intra, int mb_skipped) @@ -64,19 +74,28 @@ static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type, sl->mb_y = mb_y; sl->mb_xy = mb_x + mb_y * h->mb_stride; memset(sl->non_zero_count_cache, 0, sizeof(sl->non_zero_count_cache)); - assert(ref >= 0); + av_assert1(ref >= 0); /* FIXME: It is possible albeit uncommon that slice references * differ between slices. We take the easy approach and ignore * it for now. If this turns out to have any relevance in * practice then correct remapping should be added. */ if (ref >= sl->ref_count[0]) ref = 0; + if (!sl->ref_list[0][ref].data[0]) { + av_log(h->avctx, AV_LOG_DEBUG, "Reference not available for error concealing\n"); + ref = 0; + } + if ((sl->ref_list[0][ref].reference&3) != 3) { + av_log(h->avctx, AV_LOG_DEBUG, "Reference invalid\n"); + return; + } fill_rectangle(&h->cur_pic.ref_index[0][4 * sl->mb_xy], 2, 2, 2, ref, 1); fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1); fill_rectangle(sl->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32((*mv)[0][0][0], (*mv)[0][0][1]), 4); - assert(!FRAME_MBAFF(h)); + sl->mb_mbaff = + sl->mb_field_decoding_flag = 0; ff_h264_hl_decode_mb(h, &h->slice_ctx[0]); } @@ -161,11 +180,11 @@ void ff_h264_free_tables(H264Context *h) int ff_h264_alloc_tables(H264Context *h) { const int big_mb_num = h->mb_stride * (h->mb_height + 1); - const int row_mb_num = h->mb_stride * 2 * h->nb_slice_ctx; + const int row_mb_num = 2*h->mb_stride*FFMAX(h->nb_slice_ctx, 1); int x, y; - FF_ALLOCZ_OR_GOTO(h->avctx, h->intra4x4_pred_mode, - row_mb_num * 8 * sizeof(uint8_t), fail) + FF_ALLOCZ_ARRAY_OR_GOTO(h->avctx, h->intra4x4_pred_mode, + row_mb_num, 8 * sizeof(uint8_t), fail) h->slice_ctx[0].intra4x4_pred_mode = h->intra4x4_pred_mode; FF_ALLOCZ_OR_GOTO(h->avctx, h->non_zero_count, @@ -176,10 +195,10 @@ int ff_h264_alloc_tables(H264Context *h) big_mb_num * sizeof(uint16_t), fail) FF_ALLOCZ_OR_GOTO(h->avctx, h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t), fail) - FF_ALLOCZ_OR_GOTO(h->avctx, h->mvd_table[0], - 16 * row_mb_num * sizeof(uint8_t), fail); - FF_ALLOCZ_OR_GOTO(h->avctx, h->mvd_table[1], - 16 * row_mb_num * sizeof(uint8_t), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(h->avctx, h->mvd_table[0], + row_mb_num, 16 * sizeof(uint8_t), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(h->avctx, h->mvd_table[1], + row_mb_num, 16 * sizeof(uint8_t), fail); h->slice_ctx[0].mvd_table[0] = h->mvd_table[0]; h->slice_ctx[0].mvd_table[1] = h->mvd_table[1]; @@ -232,7 +251,11 @@ int ff_h264_slice_context_init(H264Context *h, H264SliceContext *sl) sl->ref_cache[1][scan8[7] + 1] = sl->ref_cache[1][scan8[13] + 1] = PART_NOT_AVAILABLE; + if (sl != h->slice_ctx) { + memset(er, 0, sizeof(*er)); + } else if (CONFIG_ERROR_RESILIENCE) { + /* init ER */ er->avctx = h->avctx; er->decode_mb = h264_er_decode_mb; @@ -282,6 +305,11 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h) int i; h->avctx = avctx; + h->backup_width = -1; + h->backup_height = -1; + h->backup_pix_fmt = AV_PIX_FMT_NONE; + h->current_sps_id = -1; + h->cur_chroma_format_idc = -1; h->picture_structure = PICT_FRAME; h->workaround_bugs = avctx->workaround_bugs; @@ -289,6 +317,9 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h) h->poc.prev_poc_msb = 1 << 16; h->recovery_frame = -1; h->frame_recovered = 0; + h->poc.prev_frame_num = -1; + h->sei.frame_packing.frame_packing_arrangement_cancel_flag = -1; + h->sei.unregistered.x264_build = -1; h->next_outputed_poc = INT_MIN; for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) @@ -315,6 +346,10 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h) if (!h->cur_pic.f) return AVERROR(ENOMEM); + h->last_pic_for_ec.f = av_frame_alloc(); + if (!h->last_pic_for_ec.f) + return AVERROR(ENOMEM); + for (i = 0; i < h->nb_slice_ctx; i++) h->slice_ctx[i].h264 = h; @@ -326,28 +361,29 @@ static av_cold int h264_decode_end(AVCodecContext *avctx) H264Context *h = avctx->priv_data; int i; + ff_h264_remove_all_refs(h); ff_h264_free_tables(h); for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) { ff_h264_unref_picture(h, &h->DPB[i]); av_frame_free(&h->DPB[i].f); } + memset(h->delayed_pic, 0, sizeof(h->delayed_pic)); h->cur_pic_ptr = NULL; av_freep(&h->slice_ctx); h->nb_slice_ctx = 0; - for (i = 0; i < MAX_SPS_COUNT; i++) - av_buffer_unref(&h->ps.sps_list[i]); - - for (i = 0; i < MAX_PPS_COUNT; i++) - av_buffer_unref(&h->ps.pps_list[i]); + ff_h264_sei_uninit(&h->sei); + ff_h264_ps_uninit(&h->ps); ff_h2645_packet_uninit(&h->pkt); ff_h264_unref_picture(h, &h->cur_pic); av_frame_free(&h->cur_pic.f); + ff_h264_unref_picture(h, &h->last_pic_for_ec); + av_frame_free(&h->last_pic_for_ec.f); return 0; } @@ -370,19 +406,23 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx) } if (avctx->codec_id == AV_CODEC_ID_H264) { - if (avctx->ticks_per_frame == 1) - h->avctx->framerate.num *= 2; + if (avctx->ticks_per_frame == 1) { + if(h->avctx->time_base.den < INT_MAX/2) { + h->avctx->time_base.den *= 2; + } else + h->avctx->time_base.num /= 2; + } avctx->ticks_per_frame = 2; } if (avctx->extradata_size > 0 && avctx->extradata) { - ret = ff_h264_decode_extradata(avctx->extradata, avctx->extradata_size, - &h->ps, &h->is_avc, &h->nal_length_size, - avctx->err_recognition, avctx); - if (ret < 0) { - h264_decode_end(avctx); - return ret; - } + ret = ff_h264_decode_extradata(avctx->extradata, avctx->extradata_size, + &h->ps, &h->is_avc, &h->nal_length_size, + avctx->err_recognition, avctx); + if (ret < 0) { + h264_decode_end(avctx); + return ret; + } } if (h->ps.sps && h->ps.sps->bitstream_restriction_flag && @@ -392,15 +432,21 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx) avctx->internal->allocate_progress = 1; - if (h->enable_er) { + ff_h264_flush_change(h); + + if (h->enable_er < 0 && (avctx->active_thread_type & FF_THREAD_SLICE)) + h->enable_er = 0; + + if (h->enable_er && (avctx->active_thread_type & FF_THREAD_SLICE)) { av_log(avctx, AV_LOG_WARNING, - "Error resilience is enabled. It is unsafe and unsupported and may crash. " + "Error resilience with slice threads is enabled. It is unsafe and unsupported and may crash. " "Use it at your own risk\n"); } return 0; } +#if HAVE_THREADS static int decode_init_thread_copy(AVCodecContext *avctx) { H264Context *h = avctx->priv_data; @@ -419,6 +465,7 @@ static int decode_init_thread_copy(AVCodecContext *avctx) return 0; } +#endif /** * Run setup operations that must be run after slice header decoding. @@ -434,7 +481,6 @@ static void decode_postinit(H264Context *h, int setup_finished) H264Picture *out = h->cur_pic_ptr; H264Picture *cur = h->cur_pic_ptr; int i, pics, out_of_order, out_idx; - int invalid = 0, cnt = 0; if (h->next_output_pic) return; @@ -446,7 +492,10 @@ static void decode_postinit(H264Context *h, int setup_finished) * yet, so we assume the worst for now. */ // if (setup_finished) // ff_thread_finish_setup(h->avctx); - return; + if (cur->field_poc[0] == INT_MAX && cur->field_poc[1] == INT_MAX) + return; + if (h->avctx->hwaccel || h->missing_fields <=1) + return; } cur->f->interlaced_frame = 0; @@ -501,7 +550,7 @@ static void decode_postinit(H264Context *h, int setup_finished) /* Derive top_field_first from field pocs. */ cur->f->top_field_first = cur->field_poc[0] < cur->field_poc[1]; } else { - if (cur->f->interlaced_frame || sps->pic_struct_present_flag) { + if (sps->pic_struct_present_flag) { /* Use picture timing SEI information. Even if it is a * information of a past frame, better than nothing. */ if (h->sei.picture_timing.pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM || @@ -509,6 +558,10 @@ static void decode_postinit(H264Context *h, int setup_finished) cur->f->top_field_first = 1; else cur->f->top_field_first = 0; + } else if (cur->f->interlaced_frame) { + /* Default to top field first when pic_struct_present_flag + * is not set but interlaced frame detected */ + cur->f->top_field_first = 1; } else { /* Most likely progressive */ cur->f->top_field_first = 0; @@ -516,16 +569,13 @@ static void decode_postinit(H264Context *h, int setup_finished) } if (h->sei.frame_packing.present && - h->sei.frame_packing.arrangement_type >= 0 && - h->sei.frame_packing.arrangement_type <= 6 && + h->sei.frame_packing.frame_packing_arrangement_type <= 6 && h->sei.frame_packing.content_interpretation_type > 0 && h->sei.frame_packing.content_interpretation_type < 3) { H264SEIFramePacking *fp = &h->sei.frame_packing; AVStereo3D *stereo = av_stereo3d_create_side_data(cur->f); - if (!stereo) - return; - - switch (fp->arrangement_type) { + if (stereo) { + switch (fp->frame_packing_arrangement_type) { case 0: stereo->type = AV_STEREO3D_CHECKERBOARD; break; @@ -536,7 +586,7 @@ static void decode_postinit(H264Context *h, int setup_finished) stereo->type = AV_STEREO3D_LINES; break; case 3: - if (fp->quincunx_subsampling) + if (fp->quincunx_sampling_flag) stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX; else stereo->type = AV_STEREO3D_SIDEBYSIDE; @@ -554,6 +604,7 @@ static void decode_postinit(H264Context *h, int setup_finished) if (fp->content_interpretation_type == 2) stereo->flags = AV_STEREO3D_FLAG_INVERT; + } } if (h->sei.display_orientation.present && @@ -565,22 +616,21 @@ static void decode_postinit(H264Context *h, int setup_finished) AVFrameSideData *rotation = av_frame_new_side_data(cur->f, AV_FRAME_DATA_DISPLAYMATRIX, sizeof(int32_t) * 9); - if (!rotation) - return; - - av_display_rotation_set((int32_t *)rotation->data, angle); - av_display_matrix_flip((int32_t *)rotation->data, - o->hflip, o->vflip); + if (rotation) { + av_display_rotation_set((int32_t *)rotation->data, angle); + av_display_matrix_flip((int32_t *)rotation->data, + o->hflip, o->vflip); + } } if (h->sei.afd.present) { AVFrameSideData *sd = av_frame_new_side_data(cur->f, AV_FRAME_DATA_AFD, sizeof(uint8_t)); - if (!sd) - return; - *sd->data = h->sei.afd.active_format_description; - h->sei.afd.present = 0; + if (sd) { + *sd->data = h->sei.afd.active_format_description; + h->sei.afd.present = 0; + } } if (h->sei.a53_caption.a53_caption) { @@ -588,119 +638,86 @@ static void decode_postinit(H264Context *h, int setup_finished) AVFrameSideData *sd = av_frame_new_side_data(cur->f, AV_FRAME_DATA_A53_CC, a53->a53_caption_size); - if (!sd) - return; - - memcpy(sd->data, a53->a53_caption, a53->a53_caption_size); + if (sd) + memcpy(sd->data, a53->a53_caption, a53->a53_caption_size); av_freep(&a53->a53_caption); a53->a53_caption_size = 0; + h->avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS; } + cur->mmco_reset = h->mmco_reset; + h->mmco_reset = 0; + // FIXME do something with unavailable reference frames /* Sort B-frames into display order */ if (sps->bitstream_restriction_flag || - h->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) { + h->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT) { h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, sps->num_reorder_frames); } + for (i = 0; 1; i++) { + if(i == MAX_DELAYED_PIC_COUNT || cur->poc < h->last_pocs[i]){ + if(i) + h->last_pocs[i-1] = cur->poc; + break; + } else if(i) { + h->last_pocs[i-1]= h->last_pocs[i]; + } + } + out_of_order = MAX_DELAYED_PIC_COUNT - i; + if( cur->f->pict_type == AV_PICTURE_TYPE_B + || (h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > INT_MIN && h->last_pocs[MAX_DELAYED_PIC_COUNT-1] - h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > 2)) + out_of_order = FFMAX(out_of_order, 1); + if (out_of_order == MAX_DELAYED_PIC_COUNT) { + av_log(h->avctx, AV_LOG_VERBOSE, "Invalid POC %d<%d\n", cur->poc, h->last_pocs[0]); + for (i = 1; i < MAX_DELAYED_PIC_COUNT; i++) + h->last_pocs[i] = INT_MIN; + h->last_pocs[0] = cur->poc; + cur->mmco_reset = 1; + } else if(h->avctx->has_b_frames < out_of_order && !sps->bitstream_restriction_flag){ + av_log(h->avctx, AV_LOG_INFO, "Increasing reorder buffer to %d\n", out_of_order); + h->avctx->has_b_frames = out_of_order; + } + pics = 0; while (h->delayed_pic[pics]) pics++; - assert(pics <= MAX_DELAYED_PIC_COUNT); + av_assert0(pics <= MAX_DELAYED_PIC_COUNT); h->delayed_pic[pics++] = cur; if (cur->reference == 0) cur->reference = DELAYED_PIC_REF; - /* Frame reordering. This code takes pictures from coding order and sorts - * them by their incremental POC value into display order. It supports POC - * gaps, MMCO reset codes and random resets. - * A "display group" can start either with a IDR frame (f.key_frame = 1), - * and/or can be closed down with a MMCO reset code. In sequences where - * there is no delay, we can't detect that (since the frame was already - * output to the user), so we also set h->mmco_reset to detect the MMCO - * reset code. - * FIXME: if we detect insufficient delays (as per h->avctx->has_b_frames), - * we increase the delay between input and output. All frames affected by - * the lag (e.g. those that should have been output before another frame - * that we already returned to the user) will be dropped. This is a bug - * that we will fix later. */ - for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) { - cnt += out->poc < h->last_pocs[i]; - invalid += out->poc == INT_MIN; - } - if (!h->mmco_reset && !cur->f->key_frame && - cnt + invalid == MAX_DELAYED_PIC_COUNT && cnt > 0) { - h->mmco_reset = 2; - if (pics > 1) - h->delayed_pic[pics - 2]->mmco_reset = 2; - } - if (h->mmco_reset || cur->f->key_frame) { - for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) - h->last_pocs[i] = INT_MIN; - cnt = 0; - invalid = MAX_DELAYED_PIC_COUNT; - } out = h->delayed_pic[0]; out_idx = 0; - for (i = 1; i < MAX_DELAYED_PIC_COUNT && - h->delayed_pic[i] && - !h->delayed_pic[i - 1]->mmco_reset && - !h->delayed_pic[i]->f->key_frame; + for (i = 1; h->delayed_pic[i] && + !h->delayed_pic[i]->f->key_frame && + !h->delayed_pic[i]->mmco_reset; i++) if (h->delayed_pic[i]->poc < out->poc) { out = h->delayed_pic[i]; out_idx = i; } if (h->avctx->has_b_frames == 0 && - (h->delayed_pic[0]->f->key_frame || h->mmco_reset)) + (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset)) h->next_outputed_poc = INT_MIN; - out_of_order = !out->f->key_frame && !h->mmco_reset && - (out->poc < h->next_outputed_poc); - - if (sps->bitstream_restriction_flag && - h->avctx->has_b_frames >= sps->num_reorder_frames) { - } else if (out_of_order && pics - 1 == h->avctx->has_b_frames && - h->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT) { - if (invalid + cnt < MAX_DELAYED_PIC_COUNT) { - h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, cnt); - } - } else if (!h->avctx->has_b_frames && - ((h->next_outputed_poc != INT_MIN && - out->poc > h->next_outputed_poc + 2) || - cur->f->pict_type == AV_PICTURE_TYPE_B)) { - h->avctx->has_b_frames++; - } + out_of_order = out->poc < h->next_outputed_poc; - if (pics > h->avctx->has_b_frames) { + if (out_of_order || pics > h->avctx->has_b_frames) { out->reference &= ~DELAYED_PIC_REF; for (i = out_idx; h->delayed_pic[i]; i++) h->delayed_pic[i] = h->delayed_pic[i + 1]; } - memmove(h->last_pocs, &h->last_pocs[1], - sizeof(*h->last_pocs) * (MAX_DELAYED_PIC_COUNT - 1)); - h->last_pocs[MAX_DELAYED_PIC_COUNT - 1] = cur->poc; if (!out_of_order && pics > h->avctx->has_b_frames) { h->next_output_pic = out; - if (out->mmco_reset) { - if (out_idx > 0) { - h->next_outputed_poc = out->poc; - h->delayed_pic[out_idx - 1]->mmco_reset = out->mmco_reset; - } else { - h->next_outputed_poc = INT_MIN; - } - } else { - if (out_idx == 0 && pics > 1 && h->delayed_pic[0]->f->key_frame) { - h->next_outputed_poc = INT_MIN; - } else { - h->next_outputed_poc = out->poc; - } - } - h->mmco_reset = 0; + if (out_idx == 0 && h->delayed_pic[0] && (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset)) { + h->next_outputed_poc = INT_MIN; + } else + h->next_outputed_poc = out->poc; } else { - av_log(h->avctx, AV_LOG_DEBUG, "no picture\n"); + av_log(h->avctx, AV_LOG_DEBUG, "no picture %s\n", out_of_order ? "ooo" : ""); } if (h->next_output_pic) { @@ -725,28 +742,43 @@ static void decode_postinit(H264Context *h, int setup_finished) */ static void idr(H264Context *h) { + int i; ff_h264_remove_all_refs(h); h->poc.prev_frame_num = - h->poc.prev_frame_num_offset = - h->poc.prev_poc_msb = + h->poc.prev_frame_num_offset = 0; + h->poc.prev_poc_msb = 1<<16; h->poc.prev_poc_lsb = 0; + for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) + h->last_pocs[i] = INT_MIN; } /* forget old pics after a seek */ void ff_h264_flush_change(H264Context *h) { - int i; - for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) - h->last_pocs[i] = INT_MIN; + int i, j; + h->next_outputed_poc = INT_MIN; h->prev_interlaced_frame = 1; idr(h); - if (h->cur_pic_ptr) + + h->poc.prev_frame_num = -1; + if (h->cur_pic_ptr) { h->cur_pic_ptr->reference = 0; + for (j=i=0; h->delayed_pic[i]; i++) + if (h->delayed_pic[i] != h->cur_pic_ptr) + h->delayed_pic[j++] = h->delayed_pic[i]; + h->delayed_pic[j] = NULL; + } + ff_h264_unref_picture(h, &h->last_pic_for_ec); + h->first_field = 0; ff_h264_sei_uninit(&h->sei); h->recovery_frame = -1; h->frame_recovered = 0; + h->current_slice = 0; + h->mmco_reset = 1; + for (i = 0; i < h->nb_slice_ctx; i++) + h->slice_ctx[i].list_count = 0; } /* forget old pics after a seek */ @@ -770,10 +802,16 @@ static void flush_dpb(AVCodecContext *avctx) h->context_initialized = 0; } +#if FF_API_CAP_VDPAU +static const uint8_t start_code[] = { 0x00, 0x00, 0x01 }; +#endif + static int get_last_needed_nal(H264Context *h) { int nals_needed = 0; + int first_slice = 0; int i; + int ret; for (i = 0; i < h->pkt.nb_nals; i++) { H2645NAL *nal = &h->pkt.nals[i]; @@ -791,22 +829,60 @@ static int get_last_needed_nal(H264Context *h) case NAL_DPA: case NAL_IDR_SLICE: case NAL_SLICE: - init_get_bits(&gb, nal->data + 1, (nal->size - 1) * 8); - if (!get_ue_golomb(&gb)) + ret = init_get_bits8(&gb, nal->data + 1, (nal->size - 1)); + if (ret < 0) + return ret; + if (!get_ue_golomb_long(&gb) || // first_mb_in_slice + !first_slice || + first_slice != nal->type) nals_needed = i; + if (!first_slice) + first_slice = nal->type; } } return nals_needed; } +static void debug_green_metadata(const H264SEIGreenMetaData *gm, void *logctx) +{ + av_log(logctx, AV_LOG_DEBUG, "Green Metadata Info SEI message\n"); + av_log(logctx, AV_LOG_DEBUG, " green_metadata_type: %d\n", gm->green_metadata_type); + + if (gm->green_metadata_type == 0) { + av_log(logctx, AV_LOG_DEBUG, " green_metadata_period_type: %d\n", gm->period_type); + + if (gm->period_type == 2) + av_log(logctx, AV_LOG_DEBUG, " green_metadata_num_seconds: %d\n", gm->num_seconds); + else if (gm->period_type == 3) + av_log(logctx, AV_LOG_DEBUG, " green_metadata_num_pictures: %d\n", gm->num_pictures); + + av_log(logctx, AV_LOG_DEBUG, " SEI GREEN Complexity Metrics: %f %f %f %f\n", + (float)gm->percent_non_zero_macroblocks/255, + (float)gm->percent_intra_coded_macroblocks/255, + (float)gm->percent_six_tap_filtering/255, + (float)gm->percent_alpha_point_deblocking_instance/255); + + } else if (gm->green_metadata_type == 1) { + av_log(logctx, AV_LOG_DEBUG, " xsd_metric_type: %d\n", gm->xsd_metric_type); + + if (gm->xsd_metric_type == 0) + av_log(logctx, AV_LOG_DEBUG, " xsd_metric_value: %f\n", + (float)gm->xsd_metric_value/100); + } +} + static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) { AVCodecContext *const avctx = h->avctx; unsigned context_count = 0; int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts + int idr_cleared=0; int i, ret = 0; + h->nal_unit_type= 0; + + h->max_contexts = h->nb_slice_ctx; if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS)) { h->current_slice = 0; if (!h->first_field) @@ -814,6 +890,13 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) ff_h264_sei_uninit(&h->sei); } + if (h->nal_length_size == 4) { + if (buf_size > 8 && AV_RB32(buf) == 1 && AV_RB32(buf+5) > (unsigned)buf_size) { + h->is_avc = 0; + }else if(buf_size > 3 && AV_RB32(buf) > 1 && AV_RB32(buf) <= (unsigned)buf_size) + h->is_avc = 1; + } + ret = ff_h2645_packet_split(&h->pkt, buf, buf_size, avctx, h->is_avc, h->nal_length_size, avctx->codec_id); if (ret < 0) { @@ -824,6 +907,8 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) if (avctx->active_thread_type & FF_THREAD_FRAME) nals_needed = get_last_needed_nal(h); + if (nals_needed < 0) + return nals_needed; for (i = 0; i < h->pkt.nb_nals; i++) { H2645NAL *nal = &h->pkt.nals[i]; @@ -834,6 +919,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) nal->ref_idc == 0 && nal->type != NAL_SEI) continue; +again: // FIXME these should stop being context-global variables h->nal_ref_idc = nal->ref_idc; h->nal_unit_type = nal->type; @@ -841,28 +927,56 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) err = 0; switch (nal->type) { case NAL_IDR_SLICE: + if ((nal->data[1] & 0xFC) == 0x98) { + av_log(h->avctx, AV_LOG_ERROR, "Invalid inter IDR frame\n"); + h->next_outputed_poc = INT_MIN; + ret = -1; + goto end; + } if (nal->type != NAL_IDR_SLICE) { av_log(h->avctx, AV_LOG_ERROR, "Invalid mix of idr and non-idr slices\n"); ret = -1; goto end; } - idr(h); // FIXME ensure we don't lose some frames if there is reordering + if(!idr_cleared) { + if (h->current_slice && (avctx->active_thread_type & FF_THREAD_SLICE)) { + av_log(h, AV_LOG_ERROR, "invalid mixed IDR / non IDR frames cannot be decoded in slice multithreading mode\n"); + ret = AVERROR_INVALIDDATA; + goto end; + } + idr(h); // FIXME ensure we don't lose some frames if there is reordering + } + idr_cleared = 1; + h->has_recovery_point = 1; case NAL_SLICE: sl->gb = nal->gb; + if ( nals_needed >= i + || (!(avctx->active_thread_type & FF_THREAD_FRAME) && !context_count)) + h->au_pps_id = -1; if ((err = ff_h264_decode_slice_header(h, sl))) break; - if (h->sei.recovery_point.recovery_frame_cnt >= 0 && h->recovery_frame < 0) { - h->recovery_frame = (h->poc.frame_num + h->sei.recovery_point.recovery_frame_cnt) & - ((1 << h->ps.sps->log2_max_frame_num) - 1); + if (h->sei.recovery_point.recovery_frame_cnt >= 0) { + const int sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt; + + if (h->poc.frame_num != sei_recovery_frame_cnt || sl->slice_type_nos != AV_PICTURE_TYPE_I) + h->valid_recovery_point = 1; + + if ( h->recovery_frame < 0 + || av_mod_uintp2(h->recovery_frame - h->poc.frame_num, h->ps.sps->log2_max_frame_num) > sei_recovery_frame_cnt) { + h->recovery_frame = av_mod_uintp2(h->poc.frame_num + sei_recovery_frame_cnt, h->ps.sps->log2_max_frame_num); + + if (!h->valid_recovery_point) + h->recovery_frame = h->poc.frame_num; + } } - h->cur_pic_ptr->f->key_frame |= - (nal->type == NAL_IDR_SLICE) || (h->sei.recovery_point.recovery_frame_cnt >= 0); + h->cur_pic_ptr->f->key_frame |= (nal->type == NAL_IDR_SLICE); - if (nal->type == NAL_IDR_SLICE || h->recovery_frame == h->poc.frame_num) { + if (nal->type == NAL_IDR_SLICE || + (h->recovery_frame == h->poc.frame_num && nal->ref_idc)) { h->recovery_frame = -1; h->cur_pic_ptr->recovered = 1; } @@ -870,28 +984,43 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) // "recovered". if (nal->type == NAL_IDR_SLICE) h->frame_recovered |= FRAME_RECOVERED_IDR; +#if 1 + h->cur_pic_ptr->recovered |= h->frame_recovered; +#else h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR); +#endif if (h->current_slice == 1) { if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS)) decode_postinit(h, i >= nals_needed); if (h->avctx->hwaccel && - (ret = h->avctx->hwaccel->start_frame(h->avctx, NULL, 0)) < 0) - return ret; + (ret = h->avctx->hwaccel->start_frame(h->avctx, buf, buf_size)) < 0) + goto end; +#if FF_API_CAP_VDPAU + if (CONFIG_H264_VDPAU_DECODER && + h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU) + ff_vdpau_h264_picture_start(h); +#endif } - if (sl->redundant_pic_count == 0 && - (avctx->skip_frame < AVDISCARD_NONREF || nal->ref_idc) && - (avctx->skip_frame < AVDISCARD_BIDIR || - sl->slice_type_nos != AV_PICTURE_TYPE_B) && - (avctx->skip_frame < AVDISCARD_NONKEY || - h->cur_pic_ptr->f->key_frame) && - avctx->skip_frame < AVDISCARD_ALL) { + if (sl->redundant_pic_count == 0) { if (avctx->hwaccel) { - ret = avctx->hwaccel->decode_slice(avctx, nal->raw_data, nal->raw_size); + ret = avctx->hwaccel->decode_slice(avctx, + nal->raw_data, + nal->raw_size); if (ret < 0) - return ret; + goto end; +#if FF_API_CAP_VDPAU + } else if (CONFIG_H264_VDPAU_DECODER && + h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU) { + ff_vdpau_add_data_chunk(h->cur_pic_ptr->f->data[0], + start_code, + sizeof(start_code)); + ff_vdpau_add_data_chunk(h->cur_pic_ptr->f->data[0], + nal->raw_data, + nal->raw_size); +#endif } else context_count++; } @@ -900,19 +1029,32 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) case NAL_DPB: case NAL_DPC: avpriv_request_sample(avctx, "data partitioning"); - ret = AVERROR(ENOSYS); - goto end; break; case NAL_SEI: ret = ff_h264_sei_decode(&h->sei, &nal->gb, &h->ps, avctx); + h->has_recovery_point = h->has_recovery_point || h->sei.recovery_point.recovery_frame_cnt != -1; + if (avctx->debug & FF_DEBUG_GREEN_MD) + debug_green_metadata(&h->sei.green_metadata, h->avctx); +#if FF_API_AFD +FF_DISABLE_DEPRECATION_WARNINGS + h->avctx->dtg_active_format = h->sei.afd.active_format_description; +FF_ENABLE_DEPRECATION_WARNINGS +#endif /* FF_API_AFD */ if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) goto end; break; - case NAL_SPS: - ret = ff_h264_decode_seq_parameter_set(&nal->gb, avctx, &h->ps); - if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) - goto end; + case NAL_SPS: { + GetBitContext tmp_gb = nal->gb; + if (ff_h264_decode_seq_parameter_set(&tmp_gb, avctx, &h->ps, 0) >= 0) + break; + av_log(h->avctx, AV_LOG_DEBUG, + "SPS decoding failure, trying again with the complete NAL\n"); + init_get_bits8(&tmp_gb, nal->raw_data + 1, nal->raw_size - 1); + if (ff_h264_decode_seq_parameter_set(&tmp_gb, avctx, &h->ps, 0) >= 0) + break; + ff_h264_decode_seq_parameter_set(&nal->gb, avctx, &h->ps, 1); break; + } case NAL_PPS: ret = ff_h264_decode_picture_parameter_set(&nal->gb, avctx, &h->ps, nal->size_bits); @@ -933,16 +1075,27 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) nal->type, nal->size_bits); } - if (context_count == h->nb_slice_ctx) { + if (context_count == h->max_contexts) { ret = ff_h264_execute_decode_slices(h, context_count); if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) goto end; context_count = 0; } - if (err < 0) { - av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n"); + if (err < 0 || err == SLICE_SKIPED) { + if (err < 0) + av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n"); sl->ref_count[0] = sl->ref_count[1] = sl->list_count = 0; + } else if (err == SLICE_SINGLETHREAD) { + if (context_count > 0) { + ret = ff_h264_execute_decode_slices(h, context_count); + if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) + goto end; + context_count = 0; + } + /* Slice could not be decoded in parallel mode, restart. */ + sl = &h->slice_ctx[0]; + goto again; } } if (context_count) { @@ -953,6 +1106,50 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size) ret = 0; end: + +#if CONFIG_ERROR_RESILIENCE + /* + * FIXME: Error handling code does not seem to support interlaced + * when slices span multiple rows + * The ff_er_add_slice calls don't work right for bottom + * fields; they cause massive erroneous error concealing + * Error marking covers both fields (top and bottom). + * This causes a mismatched s->error_count + * and a bad error table. Further, the error count goes to + * INT_MAX when called for bottom field, because mb_y is + * past end by one (callers fault) and resync_mb_y != 0 + * causes problems for the first MB line, too. + */ + if (!FIELD_PICTURE(h) && h->current_slice && + h->ps.sps == (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data && + h->enable_er) { + + H264SliceContext *sl = h->slice_ctx; + int use_last_pic = h->last_pic_for_ec.f->buf[0] && !sl->ref_count[0]; + + ff_h264_set_erpic(&sl->er.cur_pic, h->cur_pic_ptr); + + if (use_last_pic) { + ff_h264_set_erpic(&sl->er.last_pic, &h->last_pic_for_ec); + sl->ref_list[0][0].parent = &h->last_pic_for_ec; + memcpy(sl->ref_list[0][0].data, h->last_pic_for_ec.f->data, sizeof(sl->ref_list[0][0].data)); + memcpy(sl->ref_list[0][0].linesize, h->last_pic_for_ec.f->linesize, sizeof(sl->ref_list[0][0].linesize)); + sl->ref_list[0][0].reference = h->last_pic_for_ec.reference; + } else if (sl->ref_count[0]) { + ff_h264_set_erpic(&sl->er.last_pic, sl->ref_list[0][0].parent); + } else + ff_h264_set_erpic(&sl->er.last_pic, NULL); + + if (sl->ref_count[1]) + ff_h264_set_erpic(&sl->er.next_pic, sl->ref_list[1][0].parent); + + sl->er.ref_count = sl->ref_count[0]; + + ff_er_frame_end(&sl->er); + if (use_last_pic) + memset(&sl->ref_list[0][0], 0, sizeof(sl->ref_list[0][0])); + } +#endif /* CONFIG_ERROR_RESILIENCE */ /* clean up */ if (h->cur_pic_ptr && !h->droppable) { ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, @@ -975,26 +1172,62 @@ static int get_consumed_bytes(int pos, int buf_size) return pos; } -static int output_frame(H264Context *h, AVFrame *dst, AVFrame *src) +static int output_frame(H264Context *h, AVFrame *dst, H264Picture *srcp) { + AVFrame *src = srcp->f; + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(src->format); int i; int ret = av_frame_ref(dst, src); if (ret < 0) return ret; - if (!h->ps.sps || !h->ps.sps->crop) + av_dict_set(&dst->metadata, "stereo_mode", ff_h264_sei_stereo_mode(&h->sei.frame_packing), 0); + + h->backup_width = h->avctx->width; + h->backup_height = h->avctx->height; + h->backup_pix_fmt = h->avctx->pix_fmt; + + h->avctx->width = dst->width; + h->avctx->height = dst->height; + h->avctx->pix_fmt = dst->format; + + if (srcp->sei_recovery_frame_cnt == 0) + dst->key_frame = 1; + if (!srcp->crop) return 0; - for (i = 0; i < 3; i++) { - int hshift = (i > 0) ? h->chroma_x_shift : 0; - int vshift = (i > 0) ? h->chroma_y_shift : 0; - int off = ((h->ps.sps->crop_left >> hshift) << h->pixel_shift) + - (h->ps.sps->crop_top >> vshift) * dst->linesize[i]; + for (i = 0; i < desc->nb_components; i++) { + int hshift = (i > 0) ? desc->log2_chroma_w : 0; + int vshift = (i > 0) ? desc->log2_chroma_h : 0; + int off = ((srcp->crop_left >> hshift) << h->pixel_shift) + + (srcp->crop_top >> vshift) * dst->linesize[i]; dst->data[i] += off; } return 0; } +static int is_extra(const uint8_t *buf, int buf_size) +{ + int cnt= buf[5]&0x1f; + const uint8_t *p= buf+6; + while(cnt--){ + int nalsize= AV_RB16(p) + 2; + if(nalsize > buf_size - (p-buf) || (p[2] & 0x9F) != 7) + return 0; + p += nalsize; + } + cnt = *(p++); + if(!cnt) + return 0; + while(cnt--){ + int nalsize= AV_RB16(p) + 2; + if(nalsize > buf_size - (p-buf) || (p[2] & 0x9F) != 8) + return 0; + p += nalsize; + } + return 1; +} + static int h264_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { @@ -1003,18 +1236,34 @@ static int h264_decode_frame(AVCodecContext *avctx, void *data, H264Context *h = avctx->priv_data; AVFrame *pict = data; int buf_index = 0; + H264Picture *out; + int i, out_idx; int ret; h->flags = avctx->flags; h->setup_finished = 0; + if (h->backup_width != -1) { + avctx->width = h->backup_width; + h->backup_width = -1; + } + if (h->backup_height != -1) { + avctx->height = h->backup_height; + h->backup_height = -1; + } + if (h->backup_pix_fmt != AV_PIX_FMT_NONE) { + avctx->pix_fmt = h->backup_pix_fmt; + h->backup_pix_fmt = AV_PIX_FMT_NONE; + } + + ff_h264_unref_picture(h, &h->last_pic_for_ec); + /* end of stream, output what is still in the buffers */ -out: if (buf_size == 0) { - H264Picture *out; - int i, out_idx; + out: h->cur_pic_ptr = NULL; + h->first_field = 0; // FIXME factorize this with the output code below out = h->delayed_pic[0]; @@ -1033,7 +1282,8 @@ out: h->delayed_pic[i] = h->delayed_pic[i + 1]; if (out) { - ret = output_frame(h, pict, out->f); + out->reference &= ~DELAYED_PIC_REF; + ret = output_frame(h, pict, out); if (ret < 0) return ret; *got_frame = 1; @@ -1041,19 +1291,34 @@ out: return buf_index; } + if (h->is_avc && av_packet_get_side_data(avpkt, AV_PKT_DATA_NEW_EXTRADATA, NULL)) { + int side_size; + uint8_t *side = av_packet_get_side_data(avpkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size); + if (is_extra(side, side_size)) + ff_h264_decode_extradata(side, side_size, + &h->ps, &h->is_avc, &h->nal_length_size, + avctx->err_recognition, avctx); + } + if(h->is_avc && buf_size >= 9 && buf[0]==1 && buf[2]==0 && (buf[4]&0xFC)==0xFC && (buf[5]&0x1F) && buf[8]==0x67){ + if (is_extra(buf, buf_size)) + return ff_h264_decode_extradata(buf, buf_size, + &h->ps, &h->is_avc, &h->nal_length_size, + avctx->err_recognition, avctx); + } buf_index = decode_nal_units(h, buf, buf_size); if (buf_index < 0) return AVERROR_INVALIDDATA; if (!h->cur_pic_ptr && h->nal_unit_type == NAL_END_SEQUENCE) { - buf_size = 0; + av_assert0(buf_index <= buf_size); goto out; } if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS) && !h->cur_pic_ptr) { - if (avctx->skip_frame >= AVDISCARD_NONREF) - return 0; + if (avctx->skip_frame >= AVDISCARD_NONREF || + buf_size >= 4 && !memcmp("Q264", buf, 4)) + return buf_size; av_log(avctx, AV_LOG_ERROR, "no frame!\n"); return AVERROR_INVALIDDATA; } @@ -1063,22 +1328,58 @@ out: if (avctx->flags2 & AV_CODEC_FLAG2_CHUNKS) decode_postinit(h, 1); - ff_h264_field_end(h, &h->slice_ctx[0], 0); + if ((ret = ff_h264_field_end(h, &h->slice_ctx[0], 0)) < 0) + return ret; + /* Wait for second field. */ *got_frame = 0; if (h->next_output_pic && ((avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) || + (avctx->flags2 & AV_CODEC_FLAG2_SHOW_ALL) || h->next_output_pic->recovered)) { if (!h->next_output_pic->recovered) h->next_output_pic->f->flags |= AV_FRAME_FLAG_CORRUPT; - ret = output_frame(h, pict, h->next_output_pic->f); + if (!h->avctx->hwaccel && + (h->next_output_pic->field_poc[0] == INT_MAX || + h->next_output_pic->field_poc[1] == INT_MAX) + ) { + int p; + AVFrame *f = h->next_output_pic->f; + int field = h->next_output_pic->field_poc[0] == INT_MAX; + uint8_t *dst_data[4]; + int linesizes[4]; + const uint8_t *src_data[4]; + + av_log(h->avctx, AV_LOG_DEBUG, "Duplicating field %d to fill missing\n", field); + + for (p = 0; p<4; p++) { + dst_data[p] = f->data[p] + (field^1)*f->linesize[p]; + src_data[p] = f->data[p] + field *f->linesize[p]; + linesizes[p] = 2*f->linesize[p]; + } + + av_image_copy(dst_data, linesizes, src_data, linesizes, + f->format, f->width, f->height>>1); + } + + ret = output_frame(h, pict, h->next_output_pic); if (ret < 0) return ret; *got_frame = 1; + if (CONFIG_MPEGVIDEO) { + ff_print_debug_info2(h->avctx, pict, NULL, + h->next_output_pic->mb_type, + h->next_output_pic->qscale_table, + h->next_output_pic->motion_val, + NULL, + h->mb_width, h->mb_height, h->mb_stride, 1); + } } } - assert(pict->buf[0] || !*got_frame); + av_assert0(pict->buf[0] || !*got_frame); + + ff_h264_unref_picture(h, &h->last_pic_for_ec); return get_consumed_bytes(buf_index, buf_size); } @@ -1086,12 +1387,14 @@ out: #define OFFSET(x) offsetof(H264Context, x) #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM static const AVOption h264_options[] = { - { "enable_er", "Enable error resilience on damaged frames (unsafe)", OFFSET(enable_er), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VD }, + {"is_avc", "is avc", offsetof(H264Context, is_avc), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, 0}, + {"nal_length_size", "nal_length_size", offsetof(H264Context, nal_length_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 4, 0}, + { "enable_er", "Enable error resilience on damaged frames (unsafe)", OFFSET(enable_er), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD }, { NULL }, }; static const AVClass h264_class = { - .class_name = "h264", + .class_name = "H264 Decoder", .item_name = av_default_item_name, .option = h264_options, .version = LIBAVUTIL_VERSION_INT, @@ -1116,3 +1419,29 @@ AVCodec ff_h264_decoder = { .profiles = NULL_IF_CONFIG_SMALL(ff_h264_profiles), .priv_class = &h264_class, }; + +#if CONFIG_H264_VDPAU_DECODER && FF_API_VDPAU +static const AVClass h264_vdpau_class = { + .class_name = "H264 VDPAU Decoder", + .item_name = av_default_item_name, + .option = h264_options, + .version = LIBAVUTIL_VERSION_INT, +}; + +AVCodec ff_h264_vdpau_decoder = { + .name = "h264_vdpau", + .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_H264, + .priv_data_size = sizeof(H264Context), + .init = ff_h264_decode_init, + .close = h264_decode_end, + .decode = h264_decode_frame, + .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HWACCEL_VDPAU, + .flush = flush_dpb, + .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_VDPAU_H264, + AV_PIX_FMT_NONE}, + .profiles = NULL_IF_CONFIG_SMALL(ff_h264_profiles), + .priv_class = &h264_vdpau_class, +}; +#endif |
