diff options
Diffstat (limited to 'libavcodec/h264.c')
| -rw-r--r-- | libavcodec/h264.c | 693 |
1 files changed, 441 insertions, 252 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 46c172ad48..a8ffdde978 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 +25,8 @@ * @author Michael Niedermayer <michaelni@gmx.at> */ +#define UNCHECKED_BITSTREAM_READER 1 + #include "libavutil/avassert.h" #include "libavutil/display.h" #include "libavutil/imgutils.h" @@ -47,11 +49,16 @@ #include "rectangle.h" #include "svq3.h" #include "thread.h" - -#include <assert.h> +#include "vdpau_internal.h" 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->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) @@ -63,19 +70,28 @@ 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]); } @@ -190,18 +206,18 @@ int ff_h264_check_intra_pred_mode(const H264Context *h, H264SliceContext *sl, if ((sl->left_samples_available & 0x8080) != 0x8080) { mode = left[mode]; - if (is_chroma && (sl->left_samples_available & 0x8080)) { - // mad cow disease mode, aka MBAFF + constrained_intra_pred - mode = ALZHEIMER_DC_L0T_PRED8x8 + - (!(sl->left_samples_available & 0x8000)) + - 2 * (mode == DC_128_PRED8x8); - } if (mode < 0) { av_log(h->avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", sl->mb_x, sl->mb_y); return AVERROR_INVALIDDATA; } + if (is_chroma && (sl->left_samples_available & 0x8080)) { + // mad cow disease mode, aka MBAFF + constrained_intra_pred + mode = ALZHEIMER_DC_L0T_PRED8x8 + + (!(sl->left_samples_available & 0x8000)) + + 2 * (mode == DC_128_PRED8x8); + } } return mode; @@ -223,7 +239,7 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, H264SliceContext *sl, #define STARTCODE_TEST \ if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) { \ - if (src[i + 2] != 3) { \ + if (src[i + 2] != 3 && src[i + 2] != 0) { \ /* startcode, so we must be past the end */ \ length = i; \ } \ @@ -268,19 +284,23 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, H264SliceContext *sl, } #endif - if (i >= length - 1) { // no escaped 0 - *dst_length = length; - *consumed = length + 1; // +1 for the header - return src; - } - - av_fast_malloc(&sl->rbsp_buffer, &sl->rbsp_buffer_size, - length + FF_INPUT_BUFFER_PADDING_SIZE); + av_fast_padded_malloc(&sl->rbsp_buffer, &sl->rbsp_buffer_size, length+MAX_MBPAIR_SIZE); dst = sl->rbsp_buffer; if (!dst) return NULL; + if(i>=length-1){ //no escaped 0 + *dst_length= length; + *consumed= length+1; //+1 for the header + if(h->avctx->flags2 & CODEC_FLAG2_FAST){ + return src; + }else{ + memcpy(dst, src, length); + return dst; + } + } + memcpy(dst, src, i); si = di = i; while (si + 2 < length) { @@ -288,7 +308,7 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, H264SliceContext *sl, if (src[si + 2] > 3) { dst[di++] = src[si++]; dst[di++] = src[si++]; - } else if (src[si] == 0 && src[si + 1] == 0) { + } else if (src[si] == 0 && src[si + 1] == 0 && src[si + 2] != 0) { if (src[si + 2] == 3) { // escape dst[di++] = 0; dst[di++] = 0; @@ -358,6 +378,7 @@ void ff_h264_free_tables(H264Context *h, int free_rbsp) if (free_rbsp && h->DPB) { for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) ff_h264_unref_picture(h, &h->DPB[i]); + memset(h->delayed_pic, 0, sizeof(h->delayed_pic)); av_freep(&h->DPB); } else if (h->DPB) { for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) @@ -394,11 +415,11 @@ void ff_h264_free_tables(H264Context *h, int free_rbsp) 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->avctx->thread_count; + const int row_mb_num = 2*h->mb_stride*FFMAX(h->avctx->thread_count, 1); int x, y, i; - 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, @@ -409,10 +430,10 @@ 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]; @@ -439,7 +460,7 @@ int ff_h264_alloc_tables(H264Context *h) } if (!h->dequant4_coeff[0]) - h264_init_dequant_tables(h); + ff_h264_init_dequant_tables(h); if (!h->DPB) { h->DPB = av_mallocz_array(H264_MAX_PICTURE_COUNT, sizeof(*h->DPB)); @@ -477,7 +498,11 @@ 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; @@ -525,20 +550,23 @@ fail: static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size, int parse_extradata); -int ff_h264_decode_extradata(H264Context *h) +int ff_h264_decode_extradata(H264Context *h, const uint8_t *buf, int size) { AVCodecContext *avctx = h->avctx; int ret; - if (avctx->extradata[0] == 1) { + if (!buf || size <= 0) + return -1; + + if (buf[0] == 1) { int i, cnt, nalsize; - unsigned char *p = avctx->extradata; + const unsigned char *p = buf; h->is_avc = 1; - if (avctx->extradata_size < 7) { + if (size < 7) { av_log(avctx, AV_LOG_ERROR, - "avcC %d too short\n", avctx->extradata_size); + "avcC %d too short\n", size); return AVERROR_INVALIDDATA; } /* sps and pps in the avcC always have length coded with 2 bytes, @@ -549,7 +577,7 @@ int ff_h264_decode_extradata(H264Context *h) p += 6; for (i = 0; i < cnt; i++) { nalsize = AV_RB16(p) + 2; - if (p - avctx->extradata + nalsize > avctx->extradata_size) + if(nalsize > size - (p-buf)) return AVERROR_INVALIDDATA; ret = decode_nal_units(h, p, nalsize, 1); if (ret < 0) { @@ -563,7 +591,7 @@ int ff_h264_decode_extradata(H264Context *h) cnt = *(p++); // Number of pps for (i = 0; i < cnt; i++) { nalsize = AV_RB16(p) + 2; - if (p - avctx->extradata + nalsize > avctx->extradata_size) + if(nalsize > size - (p-buf)) return AVERROR_INVALIDDATA; ret = decode_nal_units(h, p, nalsize, 1); if (ret < 0) { @@ -574,14 +602,14 @@ int ff_h264_decode_extradata(H264Context *h) p += nalsize; } // Store right nal length size that will be used to parse all other nals - h->nal_length_size = (avctx->extradata[4] & 0x03) + 1; + h->nal_length_size = (buf[4] & 0x03) + 1; } else { h->is_avc = 0; - ret = decode_nal_units(h, avctx->extradata, avctx->extradata_size, 1); + ret = decode_nal_units(h, buf, size, 1); if (ret < 0) return ret; } - return 0; + return size; } static int h264_init_context(AVCodecContext *avctx, H264Context *h) @@ -590,6 +618,7 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h) h->avctx = avctx; h->dequant_coeff_pps = -1; + h->current_sps_id = -1; h->cur_chroma_format_idc = -1; h->picture_structure = PICT_FRAME; @@ -600,6 +629,8 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h) h->x264_build = -1; h->recovery_frame = -1; h->frame_recovered = 0; + h->prev_frame_num = -1; + h->sei_fpa.frame_packing_arrangement_cancel_flag = -1; h->outputed_poc = h->next_outputed_poc = INT_MIN; for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) @@ -640,17 +671,21 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx) ff_init_cabac_states(); 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(h); - if (ret < 0) { - ff_h264_free_context(h); - return ret; - } + ret = ff_h264_decode_extradata(h, avctx->extradata, avctx->extradata_size); + if (ret < 0) { + ff_h264_free_context(h); + return ret; + } } if (h->sps.bitstream_restriction_flag && @@ -661,9 +696,14 @@ 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"); } @@ -702,7 +742,6 @@ 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; h->cur_pic_ptr->f.pict_type = h->pict_type; @@ -716,7 +755,10 @@ 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; @@ -790,9 +832,7 @@ static void decode_postinit(H264Context *h, int setup_finished) h->content_interpretation_type > 0 && h->content_interpretation_type < 3) { AVStereo3D *stereo = av_stereo3d_create_side_data(&cur->f); - if (!stereo) - return; - + if (stereo) { switch (h->frame_packing_arrangement_type) { case 0: stereo->type = AV_STEREO3D_CHECKERBOARD; @@ -822,6 +862,7 @@ static void decode_postinit(H264Context *h, int setup_finished) if (h->content_interpretation_type == 2) stereo->flags = AV_STEREO3D_FLAG_INVERT; + } } if (h->sei_display_orientation_present && @@ -830,14 +871,16 @@ 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, - h->sei_hflip, h->sei_vflip); + if (rotation) { + av_display_rotation_set((int32_t *)rotation->data, angle); + av_display_matrix_flip((int32_t *)rotation->data, + h->sei_hflip, h->sei_vflip); + } } + cur->mmco_reset = h->mmco_reset; + h->mmco_reset = 0; + // FIXME do something with unavailable reference frames /* Sort B-frames into display order */ @@ -854,107 +897,71 @@ static void decode_postinit(H264Context *h, int setup_finished) h->low_delay = 0; } + 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 && !h->sps.bitstream_restriction_flag){ + av_log(h->avctx, AV_LOG_VERBOSE, "Increasing reorder buffer to %d\n", out_of_order); + h->avctx->has_b_frames = out_of_order; + h->low_delay = 0; + } + 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); + out_of_order = out->poc < h->next_outputed_poc; - if (h->sps.bitstream_restriction_flag && - h->avctx->has_b_frames >= h->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); - } - h->low_delay = 0; - } else if (h->low_delay && - ((h->next_outputed_poc != INT_MIN && - out->poc > h->next_outputed_poc + 2) || - cur->f.pict_type == AV_PICTURE_TYPE_B)) { - h->low_delay = 0; - h->avctx->has_b_frames++; - } - - if (pics > h->avctx->has_b_frames) { + if (out_of_order || pics > h->avctx->has_b_frames) { out->reference &= ~DELAYED_PIC_REF; // for frame threading, the owner must be the second field's thread or // else the first thread can release the picture and reuse it unsafely 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) { @@ -980,6 +987,16 @@ int ff_pred_weight_table(H264Context *h, H264SliceContext *sl) sl->luma_log2_weight_denom = get_ue_golomb(&sl->gb); if (h->sps.chroma_format_idc) sl->chroma_log2_weight_denom = get_ue_golomb(&sl->gb); + + if (sl->luma_log2_weight_denom > 7U) { + av_log(h->avctx, AV_LOG_ERROR, "luma_log2_weight_denom %d is out of range\n", sl->luma_log2_weight_denom); + sl->luma_log2_weight_denom = 0; + } + if (sl->chroma_log2_weight_denom > 7U) { + av_log(h->avctx, AV_LOG_ERROR, "chroma_log2_weight_denom %d is out of range\n", sl->chroma_log2_weight_denom); + sl->chroma_log2_weight_denom = 0; + } + luma_def = 1 << sl->luma_log2_weight_denom; chroma_def = 1 << sl->chroma_log2_weight_denom; @@ -1037,28 +1054,43 @@ int ff_pred_weight_table(H264Context *h, H264SliceContext *sl) */ static void idr(H264Context *h) { + int i; ff_h264_remove_all_refs(h); h->prev_frame_num = - h->prev_frame_num_offset = - h->prev_poc_msb = + h->prev_frame_num_offset = 0; + h->prev_poc_msb = 1<<16; h->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->outputed_poc = h->next_outputed_poc = INT_MIN; h->prev_interlaced_frame = 1; idr(h); - if (h->cur_pic_ptr) + + h->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_reset_sei(h); 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 */ @@ -1203,9 +1235,18 @@ int ff_h264_set_parameter_from_sps(H264Context *h) if (h->avctx->has_b_frames < 2) h->avctx->has_b_frames = !h->low_delay; - if (h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma || + if (h->cur_bit_depth_luma != h->sps.bit_depth_luma || h->cur_chroma_format_idc != h->sps.chroma_format_idc) { - if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 10) { + if (h->avctx->codec && + h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU && + (h->sps.bit_depth_luma != 8 || h->sps.chroma_format_idc > 1)) { + av_log(h->avctx, AV_LOG_ERROR, + "VDPAU decoding does not support video colorspace.\n"); + return AVERROR_INVALIDDATA; + } + if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 14 && + h->sps.bit_depth_luma != 11 && h->sps.bit_depth_luma != 13) { + h->cur_bit_depth_luma = h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma; h->cur_chroma_format_idc = h->sps.chroma_format_idc; h->pixel_shift = h->sps.bit_depth_luma > 8; @@ -1216,6 +1257,7 @@ int ff_h264_set_parameter_from_sps(H264Context *h) ff_h264qpel_init(&h->h264qpel, h->sps.bit_depth_luma); ff_h264_pred_init(&h->hpc, h->avctx->codec_id, h->sps.bit_depth_luma, h->sps.chroma_format_idc); + ff_videodsp_init(&h->vdsp, h->sps.bit_depth_luma); } else { av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n", @@ -1229,26 +1271,34 @@ int ff_h264_set_parameter_from_sps(H264Context *h) int ff_set_ref_count(H264Context *h, H264SliceContext *sl) { int ref_count[2], list_count; - int num_ref_idx_active_override_flag, max_refs; + int num_ref_idx_active_override_flag; // set defaults, might be overridden a few lines later ref_count[0] = h->pps.ref_count[0]; ref_count[1] = h->pps.ref_count[1]; if (sl->slice_type_nos != AV_PICTURE_TYPE_I) { + unsigned max[2]; + max[0] = max[1] = h->picture_structure == PICT_FRAME ? 15 : 31; + if (sl->slice_type_nos == AV_PICTURE_TYPE_B) sl->direct_spatial_mv_pred = get_bits1(&sl->gb); num_ref_idx_active_override_flag = get_bits1(&sl->gb); if (num_ref_idx_active_override_flag) { ref_count[0] = get_ue_golomb(&sl->gb) + 1; - if (ref_count[0] < 1) - return AVERROR_INVALIDDATA; if (sl->slice_type_nos == AV_PICTURE_TYPE_B) { ref_count[1] = get_ue_golomb(&sl->gb) + 1; - if (ref_count[1] < 1) - return AVERROR_INVALIDDATA; - } + } else + // full range is spec-ok in this case, even for frames + ref_count[1] = 1; + } + + if (ref_count[0]-1 > max[0] || ref_count[1]-1 > max[1]){ + av_log(h->avctx, AV_LOG_ERROR, "reference overflow %u > %u or %u > %u\n", ref_count[0]-1, max[0], ref_count[1]-1, max[1]); + sl->ref_count[0] = sl->ref_count[1] = 0; + sl->list_count = 0; + return AVERROR_INVALIDDATA; } if (sl->slice_type_nos == AV_PICTURE_TYPE_B) @@ -1260,14 +1310,6 @@ int ff_set_ref_count(H264Context *h, H264SliceContext *sl) ref_count[0] = ref_count[1] = 0; } - max_refs = h->picture_structure == PICT_FRAME ? 16 : 32; - - if (ref_count[0] > max_refs || ref_count[1] > max_refs) { - av_log(h->avctx, AV_LOG_ERROR, "reference overflow\n"); - sl->ref_count[0] = sl->ref_count[1] = 0; - return AVERROR_INVALIDDATA; - } - if (list_count != sl->list_count || ref_count[0] != sl->ref_count[0] || ref_count[1] != sl->ref_count[1]) { @@ -1280,40 +1322,7 @@ int ff_set_ref_count(H264Context *h, H264SliceContext *sl) return 0; } -static int find_start_code(const uint8_t *buf, int buf_size, - int buf_index, int next_avc) -{ - // start code prefix search - for (; buf_index + 3 < next_avc; buf_index++) - // This should always succeed in the first iteration. - if (buf[buf_index] == 0 && - buf[buf_index + 1] == 0 && - buf[buf_index + 2] == 1) - break; - - if (buf_index + 3 >= buf_size) - return buf_size; - - return buf_index + 3; -} - -static int get_avc_nalsize(H264Context *h, const uint8_t *buf, - int buf_size, int *buf_index) -{ - int i, nalsize = 0; - - if (*buf_index >= buf_size - h->nal_length_size) - return -1; - - for (i = 0; i < h->nal_length_size; i++) - nalsize = (nalsize << 8) | buf[(*buf_index)++]; - if (nalsize <= 0 || nalsize > buf_size - *buf_index) { - av_log(h->avctx, AV_LOG_ERROR, - "AVC: nal size %d\n", nalsize); - return -1; - } - return nalsize; -} +static const uint8_t start_code[] = { 0x00, 0x00, 0x01 }; static int get_bit_length(H264Context *h, const uint8_t *buf, const uint8_t *ptr, int dst_length, @@ -1340,6 +1349,7 @@ static int get_last_needed_nal(H264Context *h, const uint8_t *buf, int buf_size) int nal_index = 0; int buf_index = 0; int nals_needed = 0; + int first_slice = 0; while(1) { GetBitContext gb; @@ -1356,6 +1366,8 @@ static int get_last_needed_nal(H264Context *h, const uint8_t *buf, int buf_size) buf_index = find_start_code(buf, buf_size, buf_index, next_avc); if (buf_index >= buf_size) break; + if (buf_index >= next_avc) + continue; } ptr = ff_h264_decode_nal(h, &h->slice_ctx[0], buf + buf_index, &dst_length, &consumed, @@ -1383,8 +1395,12 @@ static int get_last_needed_nal(H264Context *h, const uint8_t *buf, int buf_size) case NAL_IDR_SLICE: case NAL_SLICE: init_get_bits(&gb, ptr, bit_length); - if (!get_ue_golomb(&gb)) + if (!get_ue_golomb(&gb) || + !first_slice || + first_slice != h->nal_unit_type) nals_needed = nal_index; + if (!first_slice) + first_slice = h->nal_unit_type; } } @@ -1401,8 +1417,13 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size, int next_avc; int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts int nal_index; + int idr_cleared=0; int ret = 0; + h->nal_unit_type= 0; + + if(!h->slice_context_count) + h->slice_context_count= 1; h->max_contexts = h->slice_context_count; if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS)) { h->current_slice = 0; @@ -1411,6 +1432,13 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size, ff_h264_reset_sei(h); } + 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; + } + if (avctx->active_thread_type & FF_THREAD_FRAME) nals_needed = get_last_needed_nal(h, buf, buf_size); @@ -1454,8 +1482,8 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size, if (h->avctx->debug & FF_DEBUG_STARTCODE) av_log(h->avctx, AV_LOG_DEBUG, - "NAL %d at %d/%d length %d\n", - h->nal_unit_type, buf_index, buf_size, dst_length); + "NAL %d/%d at %d/%d length %d\n", + h->nal_unit_type, h->nal_ref_idc, buf_index, buf_size, dst_length); if (h->is_avc && (nalsize != consumed) && nalsize) av_log(h->avctx, AV_LOG_DEBUG, @@ -1471,44 +1499,77 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size, continue; again: - /* Ignore every NAL unit type except PPS and SPS during extradata + /* Ignore per frame NAL unit type during extradata * parsing. Decoding slices is not possible in codec init * with frame-mt */ - if (parse_extradata && HAVE_THREADS && - (h->avctx->active_thread_type & FF_THREAD_FRAME) && - (h->nal_unit_type != NAL_PPS && - h->nal_unit_type != NAL_SPS)) { - if (h->nal_unit_type < NAL_AUD || - h->nal_unit_type > NAL_AUXILIARY_SLICE) - av_log(avctx, AV_LOG_INFO, - "Ignoring NAL unit %d during extradata parsing\n", + if (parse_extradata) { + switch (h->nal_unit_type) { + case NAL_IDR_SLICE: + case NAL_SLICE: + case NAL_DPA: + case NAL_DPB: + case NAL_DPC: + av_log(h->avctx, AV_LOG_WARNING, + "Ignoring NAL %d in global header/extradata\n", h->nal_unit_type); - h->nal_unit_type = NAL_FF_IGNORE; + // fall through to next case + case NAL_AUXILIARY_SLICE: + h->nal_unit_type = NAL_FF_IGNORE; + } } + err = 0; + switch (h->nal_unit_type) { case NAL_IDR_SLICE: + if ((ptr[0] & 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 (h->nal_unit_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: init_get_bits(&sl->gb, ptr, bit_length); + if ( nals_needed >= nal_index + || (!(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_frame_cnt >= 0 && h->recovery_frame < 0) { - h->recovery_frame = (h->frame_num + h->sei_recovery_frame_cnt) & - ((1 << h->sps.log2_max_frame_num) - 1); + if (h->sei_recovery_frame_cnt >= 0) { + if (h->frame_num != h->sei_recovery_frame_cnt || sl->slice_type_nos != AV_PICTURE_TYPE_I) + h->valid_recovery_point = 1; + + if ( h->recovery_frame < 0 + || ((h->recovery_frame - h->frame_num) & ((1 << h->sps.log2_max_frame_num)-1)) > h->sei_recovery_frame_cnt) { + h->recovery_frame = (h->frame_num + h->sei_recovery_frame_cnt) & + ((1 << h->sps.log2_max_frame_num) - 1); + + if (!h->valid_recovery_point) + h->recovery_frame = h->frame_num; + } } h->cur_pic_ptr->f.key_frame |= - (h->nal_unit_type == NAL_IDR_SLICE) || - (h->sei_recovery_frame_cnt >= 0); + (h->nal_unit_type == NAL_IDR_SLICE); if (h->nal_unit_type == NAL_IDR_SLICE || h->recovery_frame == h->frame_num) { @@ -1519,31 +1580,41 @@ again: // "recovered". if (h->nal_unit_type == NAL_IDR_SLICE) h->frame_recovered |= FRAME_RECOVERED_IDR; + h->frame_recovered |= 3*!!(avctx->flags2 & CODEC_FLAG2_SHOW_ALL); + h->frame_recovered |= 3*!!(avctx->flags & CODEC_FLAG_OUTPUT_CORRUPT); +#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 & CODEC_FLAG2_CHUNKS)) decode_postinit(h, nal_index >= 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 (CONFIG_H264_VDPAU_DECODER && + h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) + ff_vdpau_h264_picture_start(h); } - if (sl->redundant_pic_count == 0 && - (avctx->skip_frame < AVDISCARD_NONREF || - h->nal_ref_idc) && - (avctx->skip_frame < AVDISCARD_BIDIR || - sl->slice_type_nos != AV_PICTURE_TYPE_B) && - (avctx->skip_frame < AVDISCARD_NONKEY || - sl->slice_type_nos == AV_PICTURE_TYPE_I) && - avctx->skip_frame < AVDISCARD_ALL) { + if (sl->redundant_pic_count == 0) { if (avctx->hwaccel) { ret = avctx->hwaccel->decode_slice(avctx, &buf[buf_index - consumed], consumed); if (ret < 0) - return ret; + goto end; + } else if (CONFIG_H264_VDPAU_DECODER && + h->avctx->codec->capabilities & 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], + &buf[buf_index - consumed], + consumed); } else context_count++; } @@ -1563,18 +1634,22 @@ again: break; case NAL_SPS: init_get_bits(&h->gb, ptr, bit_length); - ret = ff_h264_decode_seq_parameter_set(h); - if (ret < 0 && h->is_avc && (nalsize != consumed) && nalsize) { + if (ff_h264_decode_seq_parameter_set(h, 0) >= 0) + break; + if (h->is_avc ? nalsize : 1) { av_log(h->avctx, AV_LOG_DEBUG, "SPS decoding failure, trying again with the complete NAL\n"); - init_get_bits(&h->gb, buf + buf_index + 1 - consumed, - 8 * (nalsize - 1)); - ff_h264_decode_seq_parameter_set(h); + if (h->is_avc) + av_assert0(next_avc - buf_index + consumed == nalsize); + if ((next_avc - buf_index + consumed - 1) >= INT_MAX/8) + break; + init_get_bits(&h->gb, &buf[buf_index + 1 - consumed], + 8*(next_avc - buf_index + consumed - 1)); + if (ff_h264_decode_seq_parameter_set(h, 0) >= 0) + break; } - - ret = ff_h264_set_parameter_from_sps(h); - if (ret < 0) - goto end; + init_get_bits(&h->gb, ptr, bit_length); + ff_h264_decode_seq_parameter_set(h, 1); break; case NAL_PPS: @@ -1604,10 +1679,17 @@ again: 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 == 1) { + } else if (err == SLICE_SINGLETHREAD) { + if (context_count > 1) { + ret = ff_h264_execute_decode_slices(h, context_count - 1); + if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) + goto end; + context_count = 0; + } /* Slice could not be decoded in parallel mode, restart. Note * that rbsp_buffer is not transferred, but since we no longer * run in parallel mode this should not be an issue. */ @@ -1646,26 +1728,54 @@ 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->sps.crop) + av_dict_set(&dst->metadata, "stereo_mode", ff_h264_sei_stereo_mode(h), 0); + + 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->sps.crop_left >> hshift) << h->pixel_shift) + - (h->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]!=0x67) + 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]!=0x68) + return 0; + p += nalsize; + } + return 1; +} + static int h264_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { @@ -1674,17 +1784,20 @@ 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; + 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]; @@ -1703,7 +1816,8 @@ 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; @@ -1711,19 +1825,30 @@ 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(h, side, side_size); + } + 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(h, buf, buf_size); + } buf_index = decode_nal_units(h, buf, buf_size, 0); 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 & 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; } @@ -1735,20 +1860,54 @@ out: ff_h264_field_end(h, &h->slice_ctx[0], 0); + /* Wait for second field. */ *got_frame = 0; - if (h->next_output_pic && ((avctx->flags & CODEC_FLAG_OUTPUT_CORRUPT) || + if (h->next_output_pic && ( 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, + &h->low_delay, + 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); } @@ -1773,9 +1932,11 @@ static av_cold int h264_decode_end(AVCodecContext *avctx) { H264Context *h = avctx->priv_data; + ff_h264_remove_all_refs(h); ff_h264_free_context(h); ff_h264_unref_picture(h, &h->cur_pic); + ff_h264_unref_picture(h, &h->last_pic_for_ec); return 0; } @@ -1783,12 +1944,14 @@ static av_cold int h264_decode_end(AVCodecContext *avctx) #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), FF_OPT_TYPE_INT, {.i64 = 0}, 0, 1, 0}, + {"nal_length_size", "nal_length_size", offsetof(H264Context, nal_length_size), FF_OPT_TYPE_INT, {.i64 = 0}, 0, 4, 0}, + { "enable_er", "Enable error resilience on damaged frames (unsafe)", OFFSET(enable_er), AV_OPT_TYPE_INT, { .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, @@ -1829,3 +1992,29 @@ AVCodec ff_h264_decoder = { .profiles = NULL_IF_CONFIG_SMALL(profiles), .priv_class = &h264_class, }; + +#if CONFIG_H264_VDPAU_DECODER +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 = CODEC_CAP_DR1 | CODEC_CAP_DELAY | 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(profiles), + .priv_class = &h264_vdpau_class, +}; +#endif |