* H.26L/H.264/AVC/JVT/14496-10/... encoder/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
*/
#include "rectangle.h"
#include "videodsp.h"
-#define H264_MAX_PICTURE_COUNT 32
+#define H264_MAX_PICTURE_COUNT 36
#define MAX_SPS_COUNT 32
#define MAX_PPS_COUNT 256
#define MAX_DELAYED_PIC_COUNT 16
+#define MAX_MBPAIR_SIZE (256*1024) // a tighter bound could be calculated if someone cares about a few bytes
+
/* Compiling in interlaced support reduces the speed
* of progressive decoding by about 2%. */
#define ALLOW_INTERLACE
#define MAX_SLICES 32
#ifdef ALLOW_INTERLACE
-#define MB_MBAFF(h) h->mb_mbaff
-#define MB_FIELD(h) h->mb_field_decoding_flag
-#define FRAME_MBAFF(h) h->mb_aff_frame
-#define FIELD_PICTURE(h) (h->picture_structure != PICT_FRAME)
+#define MB_MBAFF(h) (h)->mb_mbaff
+#define MB_FIELD(sl) (sl)->mb_field_decoding_flag
+#define FRAME_MBAFF(h) (h)->mb_aff_frame
+#define FIELD_PICTURE(h) ((h)->picture_structure != PICT_FRAME)
#define LEFT_MBS 2
#define LTOP 0
#define LBOT 1
#define LEFT(i) (i)
#else
#define MB_MBAFF(h) 0
-#define MB_FIELD(h) 0
+#define MB_FIELD(sl) 0
#define FRAME_MBAFF(h) 0
#define FIELD_PICTURE(h) 0
#undef IS_INTERLACED
#define FIELD_OR_MBAFF_PICTURE(h) (FRAME_MBAFF(h) || FIELD_PICTURE(h))
#ifndef CABAC
-#define CABAC(h) h->ps.pps->cabac
+#define CABAC(h) (h)->ps.pps->cabac
#endif
-#define CHROMA422(h) (h->ps.sps->chroma_format_idc == 2)
-#define CHROMA444(h) (h->ps.sps->chroma_format_idc == 3)
+#define CHROMA(h) ((h)->ps.sps->chroma_format_idc)
+#define CHROMA422(h) ((h)->ps.sps->chroma_format_idc == 2)
+#define CHROMA444(h) ((h)->ps.sps->chroma_format_idc == 3)
#define EXTENDED_SAR 255
#define IS_REF0(a) ((a) & MB_TYPE_REF0)
#define IS_8x8DCT(a) ((a) & MB_TYPE_8x8DCT)
-#define QP_MAX_NUM (51 + 2 * 6) // The maximum supported qp
+#define QP_MAX_NUM (51 + 6*6) // The maximum supported qp
/* NAL unit types */
enum {
int bit_depth_chroma; ///< bit_depth_chroma_minus8 + 8
int residual_color_transform_flag; ///< residual_colour_transform_flag
int constraint_set_flags; ///< constraint_set[0-3]_flag
+ uint8_t data[4096];
+ size_t data_size;
} SPS;
/**
int transform_8x8_mode; ///< transform_8x8_mode_flag
uint8_t scaling_matrix4[6][16];
uint8_t scaling_matrix8[6][64];
- uint8_t chroma_qp_table[2][64]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table
+ uint8_t chroma_qp_table[2][QP_MAX_NUM+1]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table
int chroma_qp_diff;
+ uint8_t data[4096];
+ size_t data_size;
uint32_t dequant4_buffer[6][QP_MAX_NUM + 1][16];
uint32_t dequant8_buffer[6][QP_MAX_NUM + 1][64];
AVBufferRef *sps_list[MAX_SPS_COUNT];
AVBufferRef *pps_list[MAX_PPS_COUNT];
+ AVBufferRef *pps_ref;
+ AVBufferRef *sps_ref;
/* currently active parameters sets */
const PPS *pps;
// FIXME this should properly be const
int pic_id; /**< pic_num (short -> no wrap version of pic_num,
pic_num & max_pic_num; long -> long_pic_num) */
int long_ref; ///< 1->long term reference 0->short term reference
- int ref_poc[2][2][32]; ///< POCs of the frames used as reference (FIXME need per slice)
+ int ref_poc[2][2][32]; ///< POCs of the frames/fields used as reference (FIXME need per slice)
int ref_count[2][2]; ///< number of entries in ref_poc (FIXME need per slice)
int mbaff; ///< 1 -> MBAFF frame 0-> not MBAFF
int field_picture; ///< whether or not picture was encoded in separate fields
int reference;
int recovered; ///< picture at IDR or recovery point + recovery count
+ int invalid_gap;
+ int sei_recovery_frame_cnt;
+
+ int crop;
+ int crop_left;
+ int crop_top;
} H264Picture;
typedef struct H264Ref {
H264Ref ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs.
* Reordered version of default_ref_list
* according to picture reordering in slice header */
- uint8_t val;
+ struct {
+ uint8_t op;
++ uint32_t val;
+ } ref_modifications[2][32];
+ int nb_ref_modifications[2];
const uint8_t *intra_pcm_ptr;
int16_t *dc_val_base;
H264Picture DPB[H264_MAX_PICTURE_COUNT];
H264Picture *cur_pic_ptr;
H264Picture cur_pic;
+ H264Picture last_pic_for_ec;
H264SliceContext *slice_ctx;
int nb_slice_ctx;
int width, height;
int chroma_x_shift, chroma_y_shift;
+ /**
+ * Backup frame properties: needed, because they can be different
+ * between returned frame and last decoded frame.
+ **/
+ int backup_width;
+ int backup_height;
+ enum AVPixelFormat backup_pix_fmt;
+
int droppable;
int coded_picture_number;
uint8_t field_scan[16];
uint8_t field_scan8x8[64];
uint8_t field_scan8x8_cavlc[64];
- const uint8_t *zigzag_scan_q0;
- const uint8_t *zigzag_scan8x8_q0;
- const uint8_t *zigzag_scan8x8_cavlc_q0;
- const uint8_t *field_scan_q0;
- const uint8_t *field_scan8x8_q0;
- const uint8_t *field_scan8x8_cavlc_q0;
+ uint8_t zigzag_scan_q0[16];
+ uint8_t zigzag_scan8x8_q0[64];
+ uint8_t zigzag_scan8x8_cavlc_q0[64];
+ uint8_t field_scan_q0[16];
+ uint8_t field_scan8x8_q0[64];
+ uint8_t field_scan8x8_cavlc_q0[64];
int mb_y;
int mb_height, mb_width;
*/
int max_pic_num;
+ H264Ref default_ref[2];
H264Picture *short_ref[32];
H264Picture *long_ref[32];
H264Picture *delayed_pic[MAX_DELAYED_PIC_COUNT + 2]; // FIXME size?
*/
int current_slice;
+ /**
+ * Max number of threads / contexts.
+ * This is equal to AVCodecContext.thread_count unless
+ * multithreaded decoding is impossible, in which case it is
+ * reduced to 1.
+ */
+ int max_contexts;
+
+ /**
+ * 1 if the single thread fallback warning has already been
+ * displayed, 0 otherwise.
+ */
+ int single_decode_warning;
+
/** @} */
/**
*/
int prev_interlaced_frame;
+ /**
+ * Are the SEI recovery points looking valid.
+ */
+ int valid_recovery_point;
+
/**
* recovery_frame is the frame_num at which the next frame should
* be fully constructed.
int frame_recovered; ///< Initial frame has been completely recovered
- /* for frame threading, this is set to 1
+ int has_recovery_point;
+
+ int missing_fields;
+
+/* for frame threading, this is set to 1
* after finish_setup() has been called, so we cannot modify
* some context properties (which are supposed to stay constant between
* slices) anymore */
int setup_finished;
+ int cur_chroma_format_idc;
+ int cur_bit_depth_luma;
+ int16_t slice_row[MAX_SLICES]; ///< to detect when MAX_SLICES is too low
+
int enable_er;
H264SEIContext sei;
extern const uint16_t ff_h264_mb_sizes[4];
+/**
+ * Uninit H264 param sets structure.
+ */
+
+void ff_h264_ps_uninit(H264ParamSets *ps);
+
/**
* Decode SPS
*/
int ff_h264_decode_seq_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
- H264ParamSets *ps);
+ H264ParamSets *ps, int ignore_truncation);
/**
* Decode PPS
*/
int ff_h264_alloc_tables(H264Context *h);
- int ff_h264_decode_ref_pic_list_reordering(H264Context *h, H264SliceContext *sl);
+ int ff_h264_decode_ref_pic_list_reordering(const H264Context *h, H264SliceContext *sl);
-int ff_h264_build_ref_list(const H264Context *h, H264SliceContext *sl);
++int ff_h264_build_ref_list(H264Context *h, H264SliceContext *sl);
void ff_h264_remove_all_refs(H264Context *h);
/**
void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl);
-void ff_h264_init_dequant_tables(H264Context *h);
-
void ff_h264_direct_dist_scale_factor(const H264Context *const h, H264SliceContext *sl);
void ff_h264_direct_ref_list_init(const H264Context *const h, H264SliceContext *sl);
void ff_h264_pred_direct_motion(const H264Context *const h, H264SliceContext *sl,
0 + 0 * 8, 0 + 5 * 8, 0 + 10 * 8
};
-static av_always_inline uint32_t pack16to32(int a, int b)
+static av_always_inline uint32_t pack16to32(unsigned a, unsigned b)
{
#if HAVE_BIGENDIAN
return (b & 0xFFFF) + (a << 16);
#endif
}
-static av_always_inline uint16_t pack8to16(int a, int b)
+static av_always_inline uint16_t pack8to16(unsigned a, unsigned b)
{
#if HAVE_BIGENDIAN
return (b & 0xFF) + (a << 8);
0x0001000100010001ULL));
}
+static inline int find_start_code(const uint8_t *buf, int buf_size,
+ int buf_index, int next_avc)
+{
+ uint32_t state = -1;
+
+ buf_index = avpriv_find_start_code(buf + buf_index, buf + next_avc + 1, &state) - buf - 1;
+
+ return FFMIN(buf_index, buf_size);
+}
+
int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup);
int ff_h264_ref_picture(H264Context *h, H264Picture *dst, H264Picture *src);
void ff_h264_draw_horiz_band(const H264Context *h, H264SliceContext *sl, int y, int height);
int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl);
+#define SLICE_SINGLETHREAD 1
+#define SLICE_SKIPED 2
+
int ff_h264_execute_decode_slices(H264Context *h, unsigned context_count);
int ff_h264_update_thread_context(AVCodecContext *dst,
const AVCodecContext *src);
void ff_h264_free_tables(H264Context *h);
+void ff_h264_set_erpic(ERPicture *dst, H264Picture *src);
+
#endif /* AVCODEC_H264_H */
* H.26L/H.264/AVC/JVT/14496-10/... reference picture handling
* 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
*/
#include <inttypes.h>
+#include "libavutil/avassert.h"
#include "internal.h"
#include "avcodec.h"
#include "h264.h"
int i[2] = { 0 };
int index = 0;
- while ((i[0] < len || i[1] < len) && index < def_len) {
+ while (i[0] < len || i[1] < len) {
while (i[0] < len && !(in[i[0]] && (in[i[0]]->reference & sel)))
i[0]++;
while (i[1] < len && !(in[i[1]] && (in[i[1]]->reference & (sel ^ 3))))
i[1]++;
- if (i[0] < len && index < def_len) {
+ if (i[0] < len) {
+ av_assert0(index < def_len);
in[i[0]]->pic_id = is_long ? i[0] : in[i[0]]->frame_num;
split_field_copy(&def[index++], in[i[0]++], sel, 1);
}
- if (i[1] < len && index < def_len) {
+ if (i[1] < len) {
+ av_assert0(index < def_len);
in[i[1]]->pic_id = is_long ? i[1] : in[i[1]]->frame_num;
split_field_copy(&def[index++], in[i[1]++], sel ^ 3, 0);
}
return out_i;
}
-static void h264_initialise_ref_list(const H264Context *h, H264SliceContext *sl)
+static int mismatches_ref(const H264Context *h, const H264Picture *pic)
+{
+ const AVFrame *f = pic->f;
+ return (h->cur_pic_ptr->f->width != f->width ||
+ h->cur_pic_ptr->f->height != f->height ||
+ h->cur_pic_ptr->f->format != f->format);
+}
+
+static void h264_initialise_ref_list(H264Context *h, H264SliceContext *sl)
{
int i, len;
+ int j;
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
H264Picture *sorted[32];
for (list = 0; list < 2; list++) {
len = add_sorted(sorted, h->short_ref, h->short_ref_count, cur_poc, 1 ^ list);
len += add_sorted(sorted + len, h->short_ref, h->short_ref_count, cur_poc, 0 ^ list);
- assert(len <= 32);
+ av_assert0(len <= 32);
len = build_def_list(sl->ref_list[list], FF_ARRAY_ELEMS(sl->ref_list[0]),
sorted, len, 0, h->picture_structure);
len += build_def_list(sl->ref_list[list] + len,
FF_ARRAY_ELEMS(sl->ref_list[0]) - len,
h->long_ref, 16, 1, h->picture_structure);
+ av_assert0(len <= 32);
if (len < sl->ref_count[list])
memset(&sl->ref_list[list][len], 0, sizeof(H264Ref) * (sl->ref_count[list] - len));
len += build_def_list(sl->ref_list[0] + len,
FF_ARRAY_ELEMS(sl->ref_list[0]) - len,
h-> long_ref, 16, 1, h->picture_structure);
+ av_assert0(len <= 32);
if (len < sl->ref_count[0])
memset(&sl->ref_list[0][len], 0, sizeof(H264Ref) * (sl->ref_count[0] - len));
}
+#ifdef TRACE
+ for (i = 0; i < sl->ref_count[0]; i++) {
+ ff_tlog(h->avctx, "List0: %s fn:%d 0x%p\n",
+ (sl->ref_list[0][i].parent ? (sl->ref_list[0][i].parent->long_ref ? "LT" : "ST") : "??"),
+ sl->ref_list[0][i].pic_id,
+ sl->ref_list[0][i].data[0]);
+ }
+ if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
+ for (i = 0; i < sl->ref_count[1]; i++) {
+ ff_tlog(h->avctx, "List1: %s fn:%d 0x%p\n",
+ (sl->ref_list[1][i].parent ? (sl->ref_list[1][i].parent->long_ref ? "LT" : "ST") : "??"),
+ sl->ref_list[1][i].pic_id,
+ sl->ref_list[1][i].data[0]);
+ }
+ }
+#endif
+
+ for (j = 0; j<1+(sl->slice_type_nos == AV_PICTURE_TYPE_B); j++) {
+ for (i = 0; i < sl->ref_count[j]; i++) {
+ if (sl->ref_list[j][i].parent) {
+ if (mismatches_ref(h, sl->ref_list[j][i].parent)) {
+ av_log(h->avctx, AV_LOG_ERROR, "Discarding mismatching reference\n");
+ memset(&sl->ref_list[j][i], 0, sizeof(sl->ref_list[j][i]));
+ }
+ }
+ }
+ }
+ for (i = 0; i < sl->list_count; i++)
+ h->default_ref[i] = sl->ref_list[i][0];
}
/**
}
}
- int ff_h264_decode_ref_pic_list_reordering(H264Context *h, H264SliceContext *sl)
-int ff_h264_build_ref_list(const H264Context *h, H264SliceContext *sl)
++int ff_h264_build_ref_list(H264Context *h, H264SliceContext *sl)
{
int list, index, pic_structure;
h264_initialise_ref_list(h, sl);
for (list = 0; list < sl->list_count; list++) {
- if (get_bits1(&sl->gb)) { // ref_pic_list_modification_flag_l[01]
- int pred = h->curr_pic_num;
-
- for (index = 0; ; index++) {
- unsigned int modification_of_pic_nums_idc = get_ue_golomb_31(&sl->gb);
- unsigned int pic_id;
- int i;
- H264Picture *ref = NULL;
-
- if (modification_of_pic_nums_idc == 3)
- break;
-
- if (index >= sl->ref_count[list]) {
- av_log(h->avctx, AV_LOG_ERROR, "reference count overflow\n");
- return -1;
+ int pred = h->curr_pic_num;
+
+ for (index = 0; index < sl->nb_ref_modifications[list]; index++) {
+ unsigned int modification_of_pic_nums_idc = sl->ref_modifications[list][index].op;
+ unsigned int val = sl->ref_modifications[list][index].val;
+ unsigned int pic_id;
+ int i;
+ H264Picture *ref = NULL;
+
+ switch (modification_of_pic_nums_idc) {
+ case 0:
+ case 1: {
+ const unsigned int abs_diff_pic_num = val + 1;
+ int frame_num;
+
+ if (abs_diff_pic_num > h->max_pic_num) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "abs_diff_pic_num overflow\n");
+ return AVERROR_INVALIDDATA;
}
- switch (modification_of_pic_nums_idc) {
- case 0:
- case 1: {
- const unsigned int abs_diff_pic_num = get_ue_golomb_long(&sl->gb) + 1;
- int frame_num;
-
- if (abs_diff_pic_num > h->max_pic_num) {
- av_log(h->avctx, AV_LOG_ERROR,
- "abs_diff_pic_num overflow\n");
- return AVERROR_INVALIDDATA;
- }
-
- if (modification_of_pic_nums_idc == 0)
- pred -= abs_diff_pic_num;
- else
- pred += abs_diff_pic_num;
- pred &= h->max_pic_num - 1;
-
- frame_num = pic_num_extract(h, pred, &pic_structure);
-
- for (i = h->short_ref_count - 1; i >= 0; i--) {
- ref = h->short_ref[i];
- assert(ref->reference);
- assert(!ref->long_ref);
- if (ref->frame_num == frame_num &&
- (ref->reference & pic_structure))
- break;
- }
- if (i >= 0)
- ref->pic_id = pred;
- break;
- }
- case 2: {
- int long_idx;
- pic_id = get_ue_golomb(&sl->gb); // long_term_pic_idx
-
- long_idx = pic_num_extract(h, pic_id, &pic_structure);
-
- if (long_idx > 31U) {
- av_log(h->avctx, AV_LOG_ERROR,
- "long_term_pic_idx overflow\n");
- return AVERROR_INVALIDDATA;
- }
- ref = h->long_ref[long_idx];
- assert(!(ref && !ref->reference));
- if (ref && (ref->reference & pic_structure) && !mismatches_ref(h, ref)) {
- ref->pic_id = pic_id;
- assert(ref->long_ref);
- i = 0;
- } else {
- i = -1;
- }
- break;
+ if (modification_of_pic_nums_idc == 0)
+ pred -= abs_diff_pic_num;
+ else
+ pred += abs_diff_pic_num;
+ pred &= h->max_pic_num - 1;
+
+ frame_num = pic_num_extract(h, pred, &pic_structure);
+
+ for (i = h->short_ref_count - 1; i >= 0; i--) {
+ ref = h->short_ref[i];
+ assert(ref->reference);
+ assert(!ref->long_ref);
+ if (ref->frame_num == frame_num &&
+ (ref->reference & pic_structure))
+ break;
}
- default:
+ if (i >= 0)
+ ref->pic_id = pred;
+ break;
+ }
+ case 2: {
+ int long_idx;
+ pic_id = val; // long_term_pic_idx
+
+ long_idx = pic_num_extract(h, pic_id, &pic_structure);
+
- if (long_idx > 31) {
++ if (long_idx > 31U) {
av_log(h->avctx, AV_LOG_ERROR,
- "illegal modification_of_pic_nums_idc %u\n",
- modification_of_pic_nums_idc);
+ "long_term_pic_idx overflow\n");
return AVERROR_INVALIDDATA;
}
-
- if (i < 0) {
- av_log(h->avctx, AV_LOG_ERROR,
- "reference picture missing during reorder\n");
- memset(&sl->ref_list[list][index], 0, sizeof(sl->ref_list[0][0])); // FIXME
+ ref = h->long_ref[long_idx];
+ assert(!(ref && !ref->reference));
+ if (ref && (ref->reference & pic_structure)) {
+ ref->pic_id = pic_id;
+ assert(ref->long_ref);
+ i = 0;
} else {
- for (i = index; i + 1 < sl->ref_count[list]; i++) {
- if (sl->ref_list[list][i].parent &&
- ref->long_ref == sl->ref_list[list][i].parent->long_ref &&
- ref->pic_id == sl->ref_list[list][i].pic_id)
- break;
- }
- for (; i > index; i--) {
- sl->ref_list[list][i] = sl->ref_list[list][i - 1];
- }
- ref_from_h264pic(&sl->ref_list[list][index], ref);
- if (FIELD_PICTURE(h)) {
- pic_as_field(&sl->ref_list[list][index], pic_structure);
- }
+ i = -1;
+ }
+ break;
+ }
+ }
+
+ if (i < 0) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "reference picture missing during reorder\n");
+ memset(&sl->ref_list[list][index], 0, sizeof(sl->ref_list[0][0])); // FIXME
+ } else {
+ for (i = index; i + 1 < sl->ref_count[list]; i++) {
+ if (sl->ref_list[list][i].parent &&
+ ref->long_ref == sl->ref_list[list][i].parent->long_ref &&
+ ref->pic_id == sl->ref_list[list][i].pic_id)
+ break;
+ }
+ for (; i > index; i--) {
+ sl->ref_list[list][i] = sl->ref_list[list][i - 1];
+ }
+ ref_from_h264pic(&sl->ref_list[list][index], ref);
+ if (FIELD_PICTURE(h)) {
+ pic_as_field(&sl->ref_list[list][index], pic_structure);
}
}
}
}
for (list = 0; list < sl->list_count; list++) {
for (index = 0; index < sl->ref_count[list]; index++) {
- if (!sl->ref_list[list][index].parent) {
- av_log(h->avctx, AV_LOG_ERROR, "Missing reference picture\n");
- if (index == 0 || h->avctx->err_recognition & AV_EF_EXPLODE)
- return AVERROR_INVALIDDATA;
+ if ( !sl->ref_list[list][index].parent
+ || (!FIELD_PICTURE(h) && (sl->ref_list[list][index].reference&3) != 3)) {
+ int i;
+ av_log(h->avctx, AV_LOG_ERROR, "Missing reference picture, default is %d\n", h->default_ref[list].poc);
+ for (i = 0; i < FF_ARRAY_ELEMS(h->last_pocs); i++)
+ h->last_pocs[i] = INT_MIN;
+ if (h->default_ref[list].parent
+ && !(!FIELD_PICTURE(h) && (h->default_ref[list].reference&3) != 3))
+ sl->ref_list[list][index] = h->default_ref[list];
else
- sl->ref_list[list][index] = sl->ref_list[list][index - 1];
+ return -1;
}
+ av_assert0(av_buffer_get_ref_count(sl->ref_list[list][index].parent->f->buf[0]) > 0);
}
}
return 0;
}
- sl->ref_modifications[list][index].val = get_ue_golomb(&sl->gb);
+ int ff_h264_decode_ref_pic_list_reordering(const H264Context *h, H264SliceContext *sl)
+ {
+ int list, index;
+
+ sl->nb_ref_modifications[0] = 0;
+ sl->nb_ref_modifications[1] = 0;
+
+ for (list = 0; list < sl->list_count; list++) {
+ if (!get_bits1(&sl->gb)) // ref_pic_list_modification_flag_l[01]
+ continue;
+
+ for (index = 0; ; index++) {
+ unsigned int op = get_ue_golomb_31(&sl->gb);
+
+ if (op == 3)
+ break;
+
+ if (index >= sl->ref_count[list]) {
+ av_log(h->avctx, AV_LOG_ERROR, "reference count overflow\n");
+ return AVERROR_INVALIDDATA;
+ } else if (op > 2) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "illegal modification_of_pic_nums_idc %u\n",
+ op);
+ return AVERROR_INVALIDDATA;
+ }
++ sl->ref_modifications[list][index].val = get_ue_golomb_long(&sl->gb);
+ sl->ref_modifications[list][index].op = op;
+ sl->nb_ref_modifications[list]++;
+ }
+ }
+
+ return 0;
+ }
+
/**
* Mark a picture as no longer needed for reference. The refmask
* argument allows unreferencing of individual fields or the whole frame.
}
assert(h->long_ref_count == 0);
+ if (h->short_ref_count && !h->last_pic_for_ec.f->data[0]) {
+ ff_h264_unref_picture(h, &h->last_pic_for_ec);
+ if (h->short_ref[0]->f->buf[0])
+ ff_h264_ref_picture(h, &h->last_pic_for_ec, h->short_ref[0]);
+ }
+
for (i = 0; i < h->short_ref_count; i++) {
unreference_pic(h, h->short_ref[i], 0);
h->short_ref[i] = NULL;
}
h->short_ref_count = 0;
+
+ memset(h->default_ref, 0, sizeof(h->default_ref));
+ for (i = 0; i < h->nb_slice_ctx; i++) {
+ H264SliceContext *sl = &h->slice_ctx[i];
+ sl->list_count = sl->ref_count[0] = sl->ref_count[1] = 0;
+ memset(sl->ref_list, 0, sizeof(sl->ref_list));
+ }
}
static int check_opcodes(MMCO *mmco1, MMCO *mmco2, int n_mmcos)
int i;
for (i = 0; i < n_mmcos; i++) {
- if (mmco1[i].opcode != mmco2[i].opcode)
+ if (mmco1[i].opcode != mmco2[i].opcode) {
+ av_log(NULL, AV_LOG_ERROR, "MMCO opcode [%d, %d] at %d mismatches between slices\n",
+ mmco1[i].opcode, mmco2[i].opcode, i);
return -1;
+ }
}
return 0;
MMCO mmco_temp[MAX_MMCO_COUNT], *mmco = first_slice ? h->mmco : mmco_temp;
int mmco_index = 0, i = 0;
- assert(h->long_ref_count + h->short_ref_count <= h->ps.sps->ref_frame_count);
-
if (h->short_ref_count &&
- h->long_ref_count + h->short_ref_count == h->ps.sps->ref_frame_count &&
+ h->long_ref_count + h->short_ref_count >= h->ps.sps->ref_frame_count &&
!(FIELD_PICTURE(h) && !h->first_field && h->cur_pic_ptr->reference)) {
mmco[0].opcode = MMCO_SHORT2UNUSED;
mmco[0].short_pic_num = h->short_ref[h->short_ref_count - 1]->frame_num;
(mmco_index != h->mmco_index ||
(i = check_opcodes(h->mmco, mmco_temp, mmco_index)))) {
av_log(h->avctx, AV_LOG_ERROR,
- "Inconsistent MMCO state between slices [%d, %d, %d]\n",
- mmco_index, h->mmco_index, i);
+ "Inconsistent MMCO state between slices [%d, %d]\n",
+ mmco_index, h->mmco_index);
return AVERROR_INVALIDDATA;
}
return 0;
int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count)
{
int i, av_uninit(j);
+ int pps_ref_count[2] = {0};
int current_ref_assigned = 0, err = 0;
H264Picture *av_uninit(pic);
if (mmco[i].opcode != MMCO_SHORT2LONG ||
!h->long_ref[mmco[i].long_arg] ||
h->long_ref[mmco[i].long_arg]->frame_num != frame_num) {
- av_log(h->avctx, AV_LOG_ERROR, "mmco: unref short failure\n");
+ av_log(h->avctx, h->short_ref_count ? AV_LOG_ERROR : AV_LOG_DEBUG, "mmco: unref short failure\n");
err = AVERROR_INVALIDDATA;
}
continue;
* Report the problem and keep the pair where it is,
* and mark this field valid.
*/
- if (h->short_ref[0] == h->cur_pic_ptr)
+ if (h->short_ref[0] == h->cur_pic_ptr) {
+ av_log(h->avctx, AV_LOG_ERROR, "mmco: cannot assign current picture to short and long at the same time\n");
remove_short_at_index(h, 0);
+ }
/* make sure the current picture is not already assigned as a long ref */
if (h->cur_pic_ptr->long_ref) {
for (j = 0; j < FF_ARRAY_ELEMS(h->long_ref); j++) {
- if (h->long_ref[j] == h->cur_pic_ptr)
+ if (h->long_ref[j] == h->cur_pic_ptr) {
+ if (j != mmco[i].long_arg)
+ av_log(h->avctx, AV_LOG_ERROR, "mmco: cannot assign current picture to 2 long term references\n");
remove_long(h, j, 0);
+ }
}
}
-
if (h->long_ref[mmco[i].long_arg] != h->cur_pic_ptr) {
+ av_assert0(!h->cur_pic_ptr->long_ref);
remove_long(h, mmco[i].long_arg, 0);
h->long_ref[mmco[i].long_arg] = h->cur_pic_ptr;
h->poc.frame_num = h->cur_pic_ptr->frame_num = 0;
h->mmco_reset = 1;
h->cur_pic_ptr->mmco_reset = 1;
+ for (j = 0; j < MAX_DELAYED_PIC_COUNT; j++)
+ h->last_pocs[j] = INT_MIN;
break;
default: assert(0);
}
*/
if (h->short_ref_count && h->short_ref[0] == h->cur_pic_ptr) {
/* Just mark the second field valid */
- h->cur_pic_ptr->reference = PICT_FRAME;
+ h->cur_pic_ptr->reference |= h->picture_structure;
} else if (h->cur_pic_ptr->long_ref) {
av_log(h->avctx, AV_LOG_ERROR, "illegal short term reference "
"assignment for second field "
}
}
- if (h->long_ref_count + h->short_ref_count -
- (h->short_ref[0] == h->cur_pic_ptr) > h->ps.sps->ref_frame_count) {
+ if (h->long_ref_count + h->short_ref_count > FFMAX(h->ps.sps->ref_frame_count, 1)) {
/* We have too many reference frames, probably due to corrupted
* stream. Need to discard one frame. Prevents overrun of the
}
}
+ for (i = 0; i<h->short_ref_count; i++) {
+ pic = h->short_ref[i];
+ if (pic->invalid_gap) {
+ int d = av_mod_uintp2(h->cur_pic_ptr->frame_num - pic->frame_num, h->ps.sps->log2_max_frame_num);
+ if (d > h->ps.sps->ref_frame_count)
+ remove_short(h, pic->frame_num, 0);
+ }
+ }
+
print_short_term(h);
print_long_term(h);
+
+ for (i = 0; i < FF_ARRAY_ELEMS(h->ps.pps_list); i++) {
+ if (h->ps.pps_list[i]) {
+ const PPS *pps = (const PPS *)h->ps.pps_list[i]->data;
+ pps_ref_count[0] = FFMAX(pps_ref_count[0], pps->ref_count[0]);
+ pps_ref_count[1] = FFMAX(pps_ref_count[1], pps->ref_count[1]);
+ }
+ }
+
+ if ( err >= 0
+ && h->long_ref_count==0
+ && ( h->short_ref_count<=2
+ || pps_ref_count[0] <= 1 + (h->picture_structure != PICT_FRAME) && pps_ref_count[1] <= 1)
+ && pps_ref_count[0]<=2 + (h->picture_structure != PICT_FRAME) + (2*!h->has_recovery_point)
+ && h->cur_pic_ptr->f->pict_type == AV_PICTURE_TYPE_I){
+ h->cur_pic_ptr->recovered |= 1;
+ if(!h->avctx->has_b_frames)
+ h->frame_recovered |= FRAME_RECOVERED_SEI;
+ }
+
return (h->avctx->err_recognition & AV_EF_EXPLODE) ? err : 0;
}
int first_slice)
{
int i, ret;
- MMCO mmco_temp[MAX_MMCO_COUNT], *mmco = first_slice ? h->mmco : mmco_temp;
+ MMCO mmco_temp[MAX_MMCO_COUNT], *mmco = mmco_temp;
int mmco_index = 0;
if (h->nal_unit_type == NAL_IDR_SLICE) { // FIXME fields
mmco[i].opcode = opcode;
if (opcode == MMCO_SHORT2UNUSED || opcode == MMCO_SHORT2LONG) {
mmco[i].short_pic_num =
- (h->curr_pic_num - get_ue_golomb(gb) - 1) &
+ (h->curr_pic_num - get_ue_golomb_long(gb) - 1) &
(h->max_pic_num - 1);
#if 0
if (mmco[i].short_pic_num >= h->short_ref_count ||
}
if (first_slice && mmco_index != -1) {
+ memcpy(h->mmco, mmco_temp, sizeof(h->mmco));
h->mmco_index = mmco_index;
} else if (!first_slice && mmco_index >= 0 &&
(mmco_index != h->mmco_index ||
* 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
*/
#include "rectangle.h"
#include "thread.h"
-static const uint8_t field_scan[16] = {
+static const uint8_t field_scan[16+1] = {
0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4,
0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4,
2 + 0 * 4, 2 + 1 * 4, 2 + 2 * 4, 2 + 3 * 4,
3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4,
};
-static const uint8_t field_scan8x8[64] = {
+static const uint8_t field_scan8x8[64+1] = {
0 + 0 * 8, 0 + 1 * 8, 0 + 2 * 8, 1 + 0 * 8,
1 + 1 * 8, 0 + 3 * 8, 0 + 4 * 8, 1 + 2 * 8,
2 + 0 * 8, 1 + 3 * 8, 0 + 5 * 8, 0 + 6 * 8,
7 + 4 * 8, 7 + 5 * 8, 7 + 6 * 8, 7 + 7 * 8,
};
-static const uint8_t field_scan8x8_cavlc[64] = {
+static const uint8_t field_scan8x8_cavlc[64+1] = {
0 + 0 * 8, 1 + 1 * 8, 2 + 0 * 8, 0 + 7 * 8,
2 + 2 * 8, 2 + 3 * 8, 2 + 4 * 8, 3 + 3 * 8,
3 + 4 * 8, 4 + 3 * 8, 4 + 4 * 8, 5 + 3 * 8,
};
// zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
-static const uint8_t zigzag_scan8x8_cavlc[64] = {
+static const uint8_t zigzag_scan8x8_cavlc[64+1] = {
0 + 0 * 8, 1 + 1 * 8, 1 + 2 * 8, 2 + 2 * 8,
4 + 1 * 8, 0 + 5 * 8, 3 + 3 * 8, 7 + 0 * 8,
3 + 4 * 8, 1 + 7 * 8, 5 + 3 * 8, 6 + 3 * 8,
// (= 21x21 for H.264)
av_fast_malloc(&sl->edge_emu_buffer, &sl->edge_emu_buffer_allocated, alloc_size * 2 * 21);
- av_fast_malloc(&sl->top_borders[0], &sl->top_borders_allocated[0],
+ av_fast_mallocz(&sl->top_borders[0], &sl->top_borders_allocated[0],
h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
- av_fast_malloc(&sl->top_borders[1], &sl->top_borders_allocated[1],
+ av_fast_mallocz(&sl->top_borders[1], &sl->top_borders_allocated[1],
h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
if (!sl->bipred_scratchpad || !sl->edge_emu_buffer ||
if (ret < 0)
goto fail;
+ pic->crop = h->ps.sps->crop;
+ pic->crop_top = h->ps.sps->crop_top;
+ pic->crop_left= h->ps.sps->crop_left;
+
if (h->avctx->hwaccel) {
const AVHWAccel *hwaccel = h->avctx->hwaccel;
av_assert0(!pic->hwaccel_picture_private);
pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data;
}
}
+ if (CONFIG_GRAY && !h->avctx->hwaccel && h->flags & AV_CODEC_FLAG_GRAY && pic->f->data[2]) {
+ int h_chroma_shift, v_chroma_shift;
+ av_pix_fmt_get_chroma_sub_sample(pic->f->format,
+ &h_chroma_shift, &v_chroma_shift);
+
+ for(i=0; i<AV_CEIL_RSHIFT(pic->f->height, v_chroma_shift); i++) {
+ memset(pic->f->data[1] + pic->f->linesize[1]*i,
+ 0x80, AV_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
+ memset(pic->f->data[2] + pic->f->linesize[2]*i,
+ 0x80, AV_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
+ }
+ }
if (!h->qscale_table_pool) {
ret = init_table_pools(h);
return i;
}
-static int initialize_cur_frame(H264Context *h)
-{
- H264Picture *cur;
- int ret;
-
- release_unused_pictures(h, 1);
- ff_h264_unref_picture(h, &h->cur_pic);
- h->cur_pic_ptr = NULL;
-
- ret = find_unused_picture(h);
- if (ret < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n");
- return ret;
- }
- cur = &h->DPB[ret];
- ret = alloc_picture(h, cur);
- if (ret < 0)
- return ret;
-
- ret = ff_h264_ref_picture(h, &h->cur_pic, cur);
- if (ret < 0)
- return ret;
- h->cur_pic_ptr = cur;
-
- return 0;
-}
-
-#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size))))
+#define IN_RANGE(a, b, size) (((void*)(a) >= (void*)(b)) && ((void*)(a) < (void*)((b) + (size))))
#define REBASE_PICTURE(pic, new_ctx, old_ctx) \
- ((pic && pic >= old_ctx->DPB && \
- pic < old_ctx->DPB + H264_MAX_PICTURE_COUNT) ? \
- &new_ctx->DPB[pic - old_ctx->DPB] : NULL)
+ (((pic) && (pic) >= (old_ctx)->DPB && \
+ (pic) < (old_ctx)->DPB + H264_MAX_PICTURE_COUNT) ? \
+ &(new_ctx)->DPB[(pic) - (old_ctx)->DPB] : NULL)
static void copy_picture_range(H264Picture **to, H264Picture **from, int count,
H264Context *new_base,
int i;
for (i = 0; i < count; i++) {
- assert((IN_RANGE(from[i], old_base, sizeof(*old_base)) ||
- IN_RANGE(from[i], old_base->DPB,
- sizeof(H264Picture) * H264_MAX_PICTURE_COUNT) ||
- !from[i]));
+ av_assert1(!from[i] ||
+ IN_RANGE(from[i], old_base, 1) ||
+ IN_RANGE(from[i], old_base->DPB, H264_MAX_PICTURE_COUNT));
to[i] = REBASE_PICTURE(from[i], new_base, old_base);
}
}
int need_reinit = 0;
int i, ret;
- if (dst == src || !h1->context_initialized)
+ if (dst == src)
return 0;
- if (!h1->ps.sps)
- return AVERROR_INVALIDDATA;
+ // We can't fail if SPS isn't set at it breaks current skip_frame code
+ //if (!h1->ps.sps)
+ // return AVERROR_INVALIDDATA;
if (inited &&
(h->width != h1->width ||
need_reinit = 1;
}
+ /* copy block_offset since frame_start may not be called */
+ memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
+
// SPS/PPS
for (i = 0; i < FF_ARRAY_ELEMS(h->ps.sps_list); i++) {
av_buffer_unref(&h->ps.sps_list[i]);
}
}
- h->ps.sps = h1->ps.sps;
+ av_buffer_unref(&h->ps.pps_ref);
+ av_buffer_unref(&h->ps.sps_ref);
+ h->ps.pps = NULL;
+ h->ps.sps = NULL;
+ if (h1->ps.pps_ref) {
+ h->ps.pps_ref = av_buffer_ref(h1->ps.pps_ref);
+ if (!h->ps.pps_ref)
+ return AVERROR(ENOMEM);
+ h->ps.pps = (const PPS*)h->ps.pps_ref->data;
+ }
+ if (h1->ps.sps_ref) {
+ h->ps.sps_ref = av_buffer_ref(h1->ps.sps_ref);
+ if (!h->ps.sps_ref)
+ return AVERROR(ENOMEM);
+ h->ps.sps = (SPS*)h->ps.sps_ref->data;
+ }
if (need_reinit || !inited) {
h->width = h1->width;
h->mb_stride = h1->mb_stride;
h->b_stride = h1->b_stride;
- if ((err = h264_slice_header_init(h)) < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
- return err;
+ if (h->context_initialized || h1->context_initialized) {
+ if ((err = h264_slice_header_init(h)) < 0) {
+ av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
+ return err;
+ }
}
-
/* copy block_offset since frame_start may not be called */
memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
}
h->first_field = h1->first_field;
h->picture_structure = h1->picture_structure;
h->droppable = h1->droppable;
+ h->backup_width = h1->backup_width;
+ h->backup_height = h1->backup_height;
+ h->backup_pix_fmt = h1->backup_pix_fmt;
for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
ff_h264_unref_picture(h, &h->DPB[i]);
// extradata/NAL handling
h->is_avc = h1->is_avc;
h->nal_length_size = h1->nal_length_size;
+ h->sei.unregistered.x264_build = h1->sei.unregistered.x264_build;
memcpy(&h->poc, &h1->poc, sizeof(h->poc));
h->curr_pic_num = h1->curr_pic_num;
h->max_pic_num = h1->max_pic_num;
+ memcpy(h->default_ref, h1->default_ref, sizeof(h->default_ref));
memcpy(h->short_ref, h1->short_ref, sizeof(h->short_ref));
memcpy(h->long_ref, h1->long_ref, sizeof(h->long_ref));
memcpy(h->delayed_pic, h1->delayed_pic, sizeof(h->delayed_pic));
copy_picture_range(h->delayed_pic, h1->delayed_pic,
MAX_DELAYED_PIC_COUNT + 2, h, h1);
+ h->frame_recovered = h1->frame_recovered;
+
if (!h->cur_pic_ptr)
return 0;
h->poc.prev_frame_num = h->poc.frame_num;
h->recovery_frame = h1->recovery_frame;
- h->frame_recovered = h1->frame_recovered;
return err;
}
H264Picture *pic;
int i, ret;
const int pixel_shift = h->pixel_shift;
+ int c[4] = {
+ 1<<(h->ps.sps->bit_depth_luma-1),
+ 1<<(h->ps.sps->bit_depth_chroma-1),
+ 1<<(h->ps.sps->bit_depth_chroma-1),
+ -1
+ };
- ret = initialize_cur_frame(h);
- if (ret < 0)
- return ret;
+ if (!ff_thread_can_start_frame(h->avctx)) {
+ av_log(h->avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
+ return -1;
+ }
+
+ release_unused_pictures(h, 1);
+ h->cur_pic_ptr = NULL;
+
+ i = find_unused_picture(h);
+ if (i < 0) {
+ av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n");
+ return i;
+ }
+ pic = &h->DPB[i];
- pic = h->cur_pic_ptr;
pic->reference = h->droppable ? 0 : h->picture_structure;
pic->f->coded_picture_number = h->coded_picture_number++;
pic->field_picture = h->picture_structure != PICT_FRAME;
pic->f->key_frame = 0;
pic->mmco_reset = 0;
pic->recovered = 0;
+ pic->invalid_gap = 0;
+ pic->sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
pic->f->pict_type = h->slice_ctx[0].slice_type;
- if (CONFIG_ERROR_RESILIENCE && h->enable_er)
+ if ((ret = alloc_picture(h, pic)) < 0)
+ return ret;
+ if(!h->frame_recovered && !h->avctx->hwaccel
+#if FF_API_CAP_VDPAU
+ && !(h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU)
+#endif
+ )
+ ff_color_frame(pic->f, c);
+
+ h->cur_pic_ptr = pic;
+ ff_h264_unref_picture(h, &h->cur_pic);
+ if (CONFIG_ERROR_RESILIENCE) {
+ ff_h264_set_erpic(&h->slice_ctx[0].er.cur_pic, NULL);
+ }
+
+ if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
+ return ret;
+
+ for (i = 0; i < h->nb_slice_ctx; i++) {
+ h->slice_ctx[i].linesize = h->cur_pic_ptr->f->linesize[0];
+ h->slice_ctx[i].uvlinesize = h->cur_pic_ptr->f->linesize[1];
+ }
+
+ if (CONFIG_ERROR_RESILIENCE && h->enable_er) {
ff_er_frame_start(&h->slice_ctx[0].er);
+ ff_h264_set_erpic(&h->slice_ctx[0].er.last_pic, NULL);
+ ff_h264_set_erpic(&h->slice_ctx[0].er.next_pic, NULL);
+ }
for (i = 0; i < 16; i++) {
h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
}
- /* Some macroblocks can be accessed before they're available in case
- * of lost slices, MBAFF or threading. */
- memset(h->slice_table, -1,
- (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
-
/* We mark the current picture as non-reference after allocating it, so
* that if we break out due to an error it can be released automatically
* in the next ff_mpv_frame_start().
cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
}
if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
- sl->ref_list[0][0].poc + sl->ref_list[1][0].poc == 2 * cur_poc) {
+ sl->ref_list[0][0].poc + (int64_t)sl->ref_list[1][0].poc == 2 * cur_poc) {
sl->pwt.use_weight = 0;
sl->pwt.use_weight_chroma = 0;
return;
sl->pwt.chroma_log2_weight_denom = 5;
for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
- int poc0 = sl->ref_list[0][ref0].poc;
+ int64_t poc0 = sl->ref_list[0][ref0].poc;
for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
int w = 32;
if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) {
{
int i;
for (i = 0; i < 16; i++) {
-#define TRANSPOSE(x) (x >> 2) | ((x << 2) & 0xF)
+#define TRANSPOSE(x) ((x) >> 2) | (((x) << 2) & 0xF)
h->zigzag_scan[i] = TRANSPOSE(ff_zigzag_scan[i]);
h->field_scan[i] = TRANSPOSE(field_scan[i]);
#undef TRANSPOSE
}
for (i = 0; i < 64; i++) {
-#define TRANSPOSE(x) (x >> 3) | ((x & 7) << 3)
+#define TRANSPOSE(x) ((x) >> 3) | (((x) & 7) << 3)
h->zigzag_scan8x8[i] = TRANSPOSE(ff_zigzag_direct[i]);
h->zigzag_scan8x8_cavlc[i] = TRANSPOSE(zigzag_scan8x8_cavlc[i]);
h->field_scan8x8[i] = TRANSPOSE(field_scan8x8[i]);
#undef TRANSPOSE
}
if (h->ps.sps->transform_bypass) { // FIXME same ugly
- h->zigzag_scan_q0 = ff_zigzag_scan;
- h->zigzag_scan8x8_q0 = ff_zigzag_direct;
- h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
- h->field_scan_q0 = field_scan;
- h->field_scan8x8_q0 = field_scan8x8;
- h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
+ memcpy(h->zigzag_scan_q0 , ff_zigzag_scan , sizeof(h->zigzag_scan_q0 ));
+ memcpy(h->zigzag_scan8x8_q0 , ff_zigzag_direct , sizeof(h->zigzag_scan8x8_q0 ));
+ memcpy(h->zigzag_scan8x8_cavlc_q0 , zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
+ memcpy(h->field_scan_q0 , field_scan , sizeof(h->field_scan_q0 ));
+ memcpy(h->field_scan8x8_q0 , field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
+ memcpy(h->field_scan8x8_cavlc_q0 , field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 ));
} else {
- h->zigzag_scan_q0 = h->zigzag_scan;
- h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
- h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
- h->field_scan_q0 = h->field_scan;
- h->field_scan8x8_q0 = h->field_scan8x8;
- h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
+ memcpy(h->zigzag_scan_q0 , h->zigzag_scan , sizeof(h->zigzag_scan_q0 ));
+ memcpy(h->zigzag_scan8x8_q0 , h->zigzag_scan8x8 , sizeof(h->zigzag_scan8x8_q0 ));
+ memcpy(h->zigzag_scan8x8_cavlc_q0 , h->zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
+ memcpy(h->field_scan_q0 , h->field_scan , sizeof(h->field_scan_q0 ));
+ memcpy(h->field_scan8x8_q0 , h->field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
+ memcpy(h->field_scan8x8_cavlc_q0 , h->field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 ));
}
}
-static enum AVPixelFormat get_pixel_format(H264Context *h)
+static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
{
#define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \
CONFIG_H264_D3D11VA_HWACCEL + \
CONFIG_H264_VAAPI_HWACCEL + \
(CONFIG_H264_VDA_HWACCEL * 2) + \
+ CONFIG_H264_VIDEOTOOLBOX_HWACCEL + \
CONFIG_H264_VDPAU_HWACCEL)
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
const enum AVPixelFormat *choices = pix_fmts;
+ int i;
switch (h->ps.sps->bit_depth_luma) {
case 9:
else
*fmt++ = AV_PIX_FMT_YUV420P10;
break;
+ case 12:
+ if (CHROMA444(h)) {
+ if (h->avctx->colorspace == AVCOL_SPC_RGB) {
+ *fmt++ = AV_PIX_FMT_GBRP12;
+ } else
+ *fmt++ = AV_PIX_FMT_YUV444P12;
+ } else if (CHROMA422(h))
+ *fmt++ = AV_PIX_FMT_YUV422P12;
+ else
+ *fmt++ = AV_PIX_FMT_YUV420P12;
+ break;
+ case 14:
+ if (CHROMA444(h)) {
+ if (h->avctx->colorspace == AVCOL_SPC_RGB) {
+ *fmt++ = AV_PIX_FMT_GBRP14;
+ } else
+ *fmt++ = AV_PIX_FMT_YUV444P14;
+ } else if (CHROMA422(h))
+ *fmt++ = AV_PIX_FMT_YUV422P14;
+ else
+ *fmt++ = AV_PIX_FMT_YUV420P14;
+ break;
case 8:
#if CONFIG_H264_VDPAU_HWACCEL
*fmt++ = AV_PIX_FMT_VDPAU;
#if CONFIG_H264_VDA_HWACCEL
*fmt++ = AV_PIX_FMT_VDA_VLD;
*fmt++ = AV_PIX_FMT_VDA;
+#endif
+#if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
+ *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
#endif
if (h->avctx->codec->pix_fmts)
choices = h->avctx->codec->pix_fmts;
*fmt = AV_PIX_FMT_NONE;
- return ff_get_format(h->avctx, choices);
+ for (i=0; choices[i] != AV_PIX_FMT_NONE; i++)
+ if (choices[i] == h->avctx->pix_fmt && !force_callback)
+ return choices[i];
+ return ff_thread_get_format(h->avctx, choices);
}
/* export coded and cropped frame dimensions to AVCodecContext */
SPS *sps = h->ps.sps;
int width = h->width - (sps->crop_right + sps->crop_left);
int height = h->height - (sps->crop_top + sps->crop_bottom);
+ av_assert0(sps->crop_right + sps->crop_left < (unsigned)h->width);
+ av_assert0(sps->crop_top + sps->crop_bottom < (unsigned)h->height);
/* handle container cropping */
if (FFALIGN(h->avctx->width, 16) == FFALIGN(width, 16) &&
- FFALIGN(h->avctx->height, 16) == FFALIGN(height, 16)) {
+ FFALIGN(h->avctx->height, 16) == FFALIGN(height, 16) &&
+ h->avctx->width <= width &&
+ h->avctx->height <= height
+ ) {
width = h->avctx->width;
height = h->avctx->height;
}
if (h->sei.unregistered.x264_build < 44U)
den *= 2;
av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
- sps->num_units_in_tick, den, 1 << 30);
+ sps->num_units_in_tick * h->avctx->ticks_per_frame, den, 1 << 30);
}
ff_h264_free_tables(h);
ret = ff_h264_alloc_tables(h);
if (ret < 0) {
av_log(h->avctx, AV_LOG_ERROR, "Could not allocate memory\n");
- return ret;
+ goto fail;
}
- if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 10) {
+#if FF_API_CAP_VDPAU
+ if (h->avctx->codec &&
+ h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU &&
+ (sps->bit_depth_luma != 8 || sps->chroma_format_idc > 1)) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "VDPAU decoding does not support video colorspace.\n");
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
+#endif
+
+ if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 14 ||
+ sps->bit_depth_luma == 11 || sps->bit_depth_luma == 13
+ ) {
av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n",
sps->bit_depth_luma);
- return AVERROR_INVALIDDATA;
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
}
+ h->cur_bit_depth_luma =
h->avctx->bits_per_raw_sample = sps->bit_depth_luma;
+ h->cur_chroma_format_idc = sps->chroma_format_idc;
h->pixel_shift = sps->bit_depth_luma > 8;
h->chroma_format_idc = sps->chroma_format_idc;
h->bit_depth_luma = sps->bit_depth_luma;
ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
if (ret < 0) {
av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
- return ret;
+ goto fail;
}
} else {
for (i = 0; i < h->nb_slice_ctx; i++) {
if ((ret = ff_h264_slice_context_init(h, sl)) < 0) {
av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
- return ret;
+ goto fail;
}
}
}
h->context_initialized = 1;
return 0;
+fail:
+ ff_h264_free_tables(h);
+ h->context_initialized = 0;
+ return ret;
+}
+
+static enum AVPixelFormat non_j_pixfmt(enum AVPixelFormat a)
+{
+ switch (a) {
+ case AV_PIX_FMT_YUVJ420P: return AV_PIX_FMT_YUV420P;
+ case AV_PIX_FMT_YUVJ422P: return AV_PIX_FMT_YUV422P;
+ case AV_PIX_FMT_YUVJ444P: return AV_PIX_FMT_YUV444P;
+ default:
+ return a;
+ }
}
static int h264_slice_header_parse(H264Context *h, H264SliceContext *sl)
int ret;
unsigned int slice_type, tmp, i;
int last_pic_structure, last_pic_droppable;
+ int must_reinit;
int needs_reinit = 0;
int field_pic_flag, bottom_field_flag;
+ int first_slice = sl == h->slice_ctx && !h->current_slice;
int frame_num, droppable, picture_structure;
- int mb_aff_frame = 0;
+ int mb_aff_frame, last_mb_aff_frame;
+
+ if (first_slice)
+ av_assert0(!h->setup_finished);
- first_mb_in_slice = get_ue_golomb(&sl->gb);
+ first_mb_in_slice = get_ue_golomb_long(&sl->gb);
if (first_mb_in_slice == 0) { // FIXME better field boundary detection
- if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
- ff_h264_field_end(h, sl, 1);
+ if (h->current_slice) {
+ if (h->setup_finished) {
+ av_log(h->avctx, AV_LOG_ERROR, "Too many fields\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if (h->max_contexts > 1) {
+ if (!h->single_decode_warning) {
+ av_log(h->avctx, AV_LOG_WARNING, "Cannot decode multiple access units as slice threads\n");
+ h->single_decode_warning = 1;
+ }
+ h->max_contexts = 1;
+ return SLICE_SINGLETHREAD;
+ }
+
+ if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
+ ret = ff_h264_field_end(h, h->slice_ctx, 1);
+ h->current_slice = 0;
+ if (ret < 0)
+ return ret;
+ } else if (h->cur_pic_ptr && !FIELD_PICTURE(h) && !h->first_field && h->nal_unit_type == NAL_IDR_SLICE) {
+ av_log(h, AV_LOG_WARNING, "Broken frame packetizing\n");
+ ret = ff_h264_field_end(h, h->slice_ctx, 1);
+ h->current_slice = 0;
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
+ h->cur_pic_ptr = NULL;
+ if (ret < 0)
+ return ret;
+ } else
+ return AVERROR_INVALIDDATA;
}
- h->current_slice = 0;
if (!h->first_field) {
if (h->cur_pic_ptr && !h->droppable) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
}
}
+ if (!h->current_slice)
+ av_assert0(sl == h->slice_ctx);
+
slice_type = get_ue_golomb_31(&sl->gb);
if (slice_type > 9) {
av_log(h->avctx, AV_LOG_ERROR,
return AVERROR_INVALIDDATA;
}
+ if (h->current_slice == 0 && !h->first_field) {
+ if (
+ (h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
+ (h->avctx->skip_frame >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
+ (h->avctx->skip_frame >= AVDISCARD_NONINTRA && sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
+ (h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != NAL_IDR_SLICE && h->sei.recovery_point.recovery_frame_cnt < 0) ||
+ h->avctx->skip_frame >= AVDISCARD_ALL) {
+ return SLICE_SKIPED;
+ }
+ }
+
pps_id = get_ue_golomb(&sl->gb);
if (pps_id >= MAX_PPS_COUNT) {
av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", pps_id);
pps_id);
return AVERROR_INVALIDDATA;
}
- if (!h->setup_finished) {
- h->ps.pps = (const PPS*)h->ps.pps_list[pps_id]->data;
- } else if (h->ps.pps != (const PPS*)h->ps.pps_list[pps_id]->data) {
- av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
- return AVERROR_INVALIDDATA;
- }
- if (!h->ps.sps_list[h->ps.pps->sps_id]) {
+ pps = (const PPS*)h->ps.pps_list[pps_id]->data;
+
+ if (!h->ps.sps_list[pps->sps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing SPS %u referenced\n",
- h->ps.pps->sps_id);
+ pps->sps_id);
return AVERROR_INVALIDDATA;
}
+ if (first_slice) {
+ av_buffer_unref(&h->ps.pps_ref);
+ h->ps.pps = NULL;
+ h->ps.pps_ref = av_buffer_ref(h->ps.pps_list[pps_id]);
+ if (!h->ps.pps_ref)
+ return AVERROR(ENOMEM);
+ h->ps.pps = (const PPS*)h->ps.pps_ref->data;
+ } else {
+ if (h->ps.pps->sps_id != pps->sps_id ||
+ h->ps.pps->transform_8x8_mode != pps->transform_8x8_mode /*||
+ (h->setup_finished && h->ps.pps != pps)*/) {
+ av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
+ return AVERROR_INVALIDDATA;
+ }
+ }
+
if (h->ps.sps != (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data) {
- h->ps.sps = (SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data;
+ if (!first_slice) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "SPS changed in the middle of the frame\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ av_buffer_unref(&h->ps.sps_ref);
+ h->ps.sps = NULL;
+ h->ps.sps_ref = av_buffer_ref(h->ps.sps_list[h->ps.pps->sps_id]);
+ if (!h->ps.sps_ref)
+ return AVERROR(ENOMEM);
+ h->ps.sps = (const SPS*)h->ps.sps_ref->data;
+
+ if (h->mb_width != h->ps.sps->mb_width ||
+ h->mb_height != h->ps.sps->mb_height * (2 - h->ps.sps->frame_mbs_only_flag) ||
+ h->cur_bit_depth_luma != h->ps.sps->bit_depth_luma ||
+ h->cur_chroma_format_idc != h->ps.sps->chroma_format_idc
+ )
+ needs_reinit = 1;
if (h->bit_depth_luma != h->ps.sps->bit_depth_luma ||
h->chroma_format_idc != h->ps.sps->chroma_format_idc)
pps = h->ps.pps;
sps = h->ps.sps;
+ must_reinit = (h->context_initialized &&
+ ( 16*sps->mb_width != h->avctx->coded_width
+ || 16*sps->mb_height * (2 - sps->frame_mbs_only_flag) != h->avctx->coded_height
+ || h->cur_bit_depth_luma != sps->bit_depth_luma
+ || h->cur_chroma_format_idc != sps->chroma_format_idc
+ || h->mb_width != sps->mb_width
+ || h->mb_height != sps->mb_height * (2 - sps->frame_mbs_only_flag)
+ ));
+ if (h->avctx->pix_fmt == AV_PIX_FMT_NONE
+ || (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0))))
+ must_reinit = 1;
+
+ if (first_slice && av_cmp_q(sps->sar, h->avctx->sample_aspect_ratio))
+ must_reinit = 1;
+
if (!h->setup_finished) {
h->avctx->profile = ff_h264_get_profile(sps);
h->avctx->level = sps->level_idc;
h->avctx->refs = sps->ref_frame_count;
- if (h->mb_width != sps->mb_width ||
- h->mb_height != sps->mb_height * (2 - sps->frame_mbs_only_flag))
- needs_reinit = 1;
-
h->mb_width = sps->mb_width;
h->mb_height = sps->mb_height * (2 - sps->frame_mbs_only_flag);
h->mb_num = h->mb_width * h->mb_height;
return ret;
if (sps->video_signal_type_present_flag) {
- h->avctx->color_range = sps->full_range ? AVCOL_RANGE_JPEG
- : AVCOL_RANGE_MPEG;
+ h->avctx->color_range = sps->full_range > 0 ? AVCOL_RANGE_JPEG
+ : AVCOL_RANGE_MPEG;
if (sps->colour_description_present_flag) {
if (h->avctx->colorspace != sps->colorspace)
needs_reinit = 1;
}
}
- if (h->context_initialized && needs_reinit) {
+ if (h->context_initialized &&
+ (must_reinit || needs_reinit)) {
h->context_initialized = 0;
if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
return AVERROR_INVALIDDATA;
}
+ av_assert1(first_slice);
+
ff_h264_flush_change(h);
- if ((ret = get_pixel_format(h)) < 0)
+ if ((ret = get_pixel_format(h, 1)) < 0)
return ret;
h->avctx->pix_fmt = ret;
av_log(h->avctx, AV_LOG_INFO, "Reinit context to %dx%d, "
- "pix_fmt: %d\n", h->width, h->height, h->avctx->pix_fmt);
+ "pix_fmt: %s\n", h->width, h->height, av_get_pix_fmt_name(h->avctx->pix_fmt));
if ((ret = h264_slice_header_init(h)) < 0) {
av_log(h->avctx, AV_LOG_ERROR,
return AVERROR_PATCHWELCOME;
}
- if ((ret = get_pixel_format(h)) < 0)
+ if ((ret = get_pixel_format(h, 1)) < 0)
return ret;
h->avctx->pix_fmt = ret;
}
frame_num = get_bits(&sl->gb, sps->log2_max_frame_num);
+ if (!first_slice) {
+ if (h->poc.frame_num != frame_num) {
+ av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
+ h->poc.frame_num, frame_num);
+ return AVERROR_INVALIDDATA;
+ }
+ }
+
if (!h->setup_finished)
h->poc.frame_num = frame_num;
sl->mb_mbaff = 0;
-
+ mb_aff_frame = 0;
+ last_mb_aff_frame = h->mb_aff_frame;
last_pic_structure = h->picture_structure;
last_pic_droppable = h->droppable;
if (sps->frame_mbs_only_flag) {
picture_structure = PICT_FRAME;
} else {
+ if (!h->ps.sps->direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) {
+ av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n");
+ return -1;
+ }
field_pic_flag = get_bits1(&sl->gb);
+
if (field_pic_flag) {
bottom_field_flag = get_bits1(&sl->gb);
picture_structure = PICT_TOP_FIELD + bottom_field_flag;
mb_aff_frame = sps->mb_aff;
}
}
- if (!h->setup_finished) {
- h->droppable = droppable;
- h->picture_structure = picture_structure;
- h->mb_aff_frame = mb_aff_frame;
- }
- sl->mb_field_decoding_flag = h->picture_structure != PICT_FRAME;
- if (h->current_slice != 0) {
+ if (h->current_slice) {
if (last_pic_structure != picture_structure ||
- last_pic_droppable != droppable) {
+ last_pic_droppable != droppable ||
+ last_mb_aff_frame != mb_aff_frame) {
av_log(h->avctx, AV_LOG_ERROR,
"Changing field mode (%d -> %d) between slices is not allowed\n",
last_pic_structure, h->picture_structure);
h->current_slice + 1);
return AVERROR_INVALIDDATA;
}
- } else {
+ }
+
+ if (!h->setup_finished) {
+ h->droppable = droppable;
+ h->picture_structure = picture_structure;
+ h->mb_aff_frame = mb_aff_frame;
+ }
+ sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
+
+ if (h->current_slice == 0) {
/* Shorten frame num gaps so we don't have to allocate reference
* frames just to throw them away */
if (h->poc.frame_num != h->poc.prev_frame_num) {
* Here, we're using that to see if we should mark previously
* decode frames as "finished".
* We have to do that before the "dummy" in-between frame allocation,
- * since that can modify s->current_picture_ptr. */
+ * since that can modify h->cur_pic_ptr. */
if (h->first_field) {
- assert(h->cur_pic_ptr);
- assert(h->cur_pic_ptr->f->buf[0]);
+ av_assert0(h->cur_pic_ptr);
+ av_assert0(h->cur_pic_ptr->f->buf[0]);
assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
+ /* Mark old field/frame as completed */
+ if (h->cur_pic_ptr->tf.owner == h->avctx) {
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
+ last_pic_structure == PICT_BOTTOM_FIELD);
+ }
+
/* figure out if we have a complementary field pair */
if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
/* Previous field is unmatched. Don't display it, but let it
* remain for reference if marked as such. */
- if (!last_pic_droppable && last_pic_structure != PICT_FRAME) {
+ if (last_pic_structure != PICT_FRAME) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
* different frame_nums. Consider this field first in
* pair. Throw away previous field except for reference
* purposes. */
- if (!last_pic_droppable && last_pic_structure != PICT_FRAME) {
+ if (last_pic_structure != PICT_FRAME) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
}
}
- while (h->poc.frame_num != h->poc.prev_frame_num &&
+ while (h->poc.frame_num != h->poc.prev_frame_num && !h->first_field &&
h->poc.frame_num != (h->poc.prev_frame_num + 1) % (1 << sps->log2_max_frame_num)) {
H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
h->poc.frame_num, h->poc.prev_frame_num);
- ret = initialize_cur_frame(h);
+ if (!sps->gaps_in_frame_num_allowed_flag)
+ for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
+ h->last_pocs[i] = INT_MIN;
+ ret = h264_frame_start(h);
if (ret < 0) {
h->first_field = 0;
return ret;
h->poc.prev_frame_num++;
h->poc.prev_frame_num %= 1 << sps->log2_max_frame_num;
h->cur_pic_ptr->frame_num = h->poc.prev_frame_num;
+ h->cur_pic_ptr->invalid_gap = !sps->gaps_in_frame_num_allowed_flag;
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
ret = ff_generate_sliding_window_mmcos(h, 1);
(const uint8_t **)prev->f->data,
prev->f->linesize,
prev->f->format,
- h->mb_width * 16,
- h->mb_height * 16);
+ prev->f->width,
+ prev->f->height);
h->short_ref[0]->poc = prev->poc + 2;
}
h->short_ref[0]->frame_num = h->poc.prev_frame_num;
* We're using that to see whether to continue decoding in that
* frame, or to allocate a new one. */
if (h->first_field) {
- assert(h->cur_pic_ptr);
- assert(h->cur_pic_ptr->f->buf[0]);
+ av_assert0(h->cur_pic_ptr);
+ av_assert0(h->cur_pic_ptr->f->buf[0]);
assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
/* figure out if we have a complementary field pair */
if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
/* Previous field is unmatched. Don't display it, but let it
* remain for reference if marked as such. */
+ h->missing_fields ++;
h->cur_pic_ptr = NULL;
h->first_field = FIELD_PICTURE(h);
} else {
+ h->missing_fields = 0;
if (h->cur_pic_ptr->frame_num != h->poc.frame_num) {
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
+ h->picture_structure==PICT_BOTTOM_FIELD);
/* This and the previous field had different frame_nums.
* Consider this field first in pair. Throw away previous
* one except for reference purposes. */
} else {
release_unused_pictures(h, 0);
}
+ /* Some macroblocks can be accessed before they're available in case
+ * of lost slices, MBAFF or threading. */
+ if (FIELD_PICTURE(h)) {
+ for(i = (h->picture_structure == PICT_BOTTOM_FIELD); i<h->mb_height; i++)
+ memset(h->slice_table + i*h->mb_stride, -1, (h->mb_stride - (i+1==h->mb_height)) * sizeof(*h->slice_table));
+ } else {
+ memset(h->slice_table, -1,
+ (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
+ }
}
- assert(h->mb_num == h->mb_width * h->mb_height);
+ av_assert1(h->mb_num == h->mb_width * h->mb_height);
if (first_mb_in_slice << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
first_mb_in_slice >= h->mb_num) {
av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
FIELD_OR_MBAFF_PICTURE(h);
if (h->picture_structure == PICT_BOTTOM_FIELD)
sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
- assert(sl->mb_y < h->mb_height);
+ av_assert1(sl->mb_y < h->mb_height);
if (h->picture_structure == PICT_FRAME) {
h->curr_pic_num = h->poc.frame_num;
}
if (h->nal_unit_type == NAL_IDR_SLICE)
- get_ue_golomb(&sl->gb); /* idr_pic_id */
+ get_ue_golomb_long(&sl->gb); /* idr_pic_id */
if (sps->poc_type == 0) {
int poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
ret = ff_h264_parse_ref_count(&sl->list_count, sl->ref_count,
&sl->gb, pps, sl->slice_type_nos,
- h->picture_structure);
+ h->picture_structure, h->avctx);
if (ret < 0)
return ret;
sl->ref_count[1] = sl->ref_count[0] = 0;
return ret;
}
+ ret = ff_h264_build_ref_list(h, sl);
+ if (ret < 0)
+ return ret;
}
if ((pps->weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||
(pps->weighted_bipred_idc == 1 &&
sl->slice_type_nos == AV_PICTURE_TYPE_B))
ff_h264_pred_weight_table(&sl->gb, sps, sl->ref_count,
- sl->slice_type_nos, &sl->pwt);
+ sl->slice_type_nos, &sl->pwt, h->avctx);
else if (pps->weighted_bipred_idc == 2 &&
sl->slice_type_nos == AV_PICTURE_TYPE_B) {
implicit_weight_table(h, sl, -1);
int i, j, ret = 0;
ret = h264_slice_header_parse(h, sl);
- if (ret < 0)
+ if (ret) // can not be ret<0 because of SLICE_SKIPED, SLICE_SINGLETHREAD, ...
return ret;
if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)
if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
(h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
+ h->nal_unit_type != NAL_IDR_SLICE) ||
+ (h->avctx->skip_loop_filter >= AVDISCARD_NONINTRA &&
sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
(h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&
sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
h->nal_ref_idc == 0))
sl->deblocking_filter = 0;
- if (sl->deblocking_filter == 1 && h->nb_slice_ctx > 1) {
+ if (sl->deblocking_filter == 1 && h->max_contexts > 1) {
if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
/* Cheat slightly for speed:
* Do not bother to deblock across slices. */
6 * (h->ps.sps->bit_depth_luma - 8);
sl->slice_num = ++h->current_slice;
- if (sl->slice_num >= MAX_SLICES) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Too many slices, increase MAX_SLICES and recompile\n");
+
+ if (sl->slice_num)
+ h->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
+ if ( h->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
+ && h->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
+ && sl->slice_num >= MAX_SLICES) {
+ //in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
+ av_log(h->avctx, AV_LOG_WARNING, "Possibly too many slices (%d >= %d), increase MAX_SLICES and recompile if there are artifacts\n", sl->slice_num, MAX_SLICES);
}
for (j = 0; j < 2; j++) {
if (USES_LIST(top_type, list)) {
const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;
const int b8_xy = 4 * top_xy + 2;
- int (*ref2frm)[64] = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2);
+ const int *ref2frm = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]);
ref_cache[0 - 1 * 8] =
- ref_cache[1 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 0]];
+ ref_cache[1 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 0]];
ref_cache[2 - 1 * 8] =
- ref_cache[3 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 1]];
+ ref_cache[3 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 1]];
} else {
AV_ZERO128(mv_dst - 1 * 8);
AV_WN32A(&ref_cache[0 - 1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
if (USES_LIST(left_type[LTOP], list)) {
const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;
const int b8_xy = 4 * left_xy[LTOP] + 1;
- int (*ref2frm)[64] = h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2);
+ const int *ref2frm = h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
AV_COPY32(mv_dst - 1 + 0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]);
AV_COPY32(mv_dst - 1 + 8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]);
AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]);
AV_COPY32(mv_dst - 1 + 24, h->cur_pic.motion_val[list][b_xy + b_stride * 3]);
ref_cache[-1 + 0] =
- ref_cache[-1 + 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
+ ref_cache[-1 + 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
ref_cache[-1 + 16] =
- ref_cache[-1 + 24] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
+ ref_cache[-1 + 24] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
} else {
AV_ZERO32(mv_dst - 1 + 0);
AV_ZERO32(mv_dst - 1 + 8);
{
int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
- int (*ref2frm)[64] = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2);
- uint32_t ref01 = (pack16to32(ref2frm[list][ref[0]], ref2frm[list][ref[1]]) & 0x00FF00FF) * 0x0101;
- uint32_t ref23 = (pack16to32(ref2frm[list][ref[2]], ref2frm[list][ref[3]]) & 0x00FF00FF) * 0x0101;
+ const int *ref2frm = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+ uint32_t ref01 = (pack16to32(ref2frm[ref[0]], ref2frm[ref[1]]) & 0x00FF00FF) * 0x0101;
+ uint32_t ref23 = (pack16to32(ref2frm[ref[2]], ref2frm[ref[3]]) & 0x00FF00FF) * 0x0101;
AV_WN32A(&ref_cache[0 * 8], ref01);
AV_WN32A(&ref_cache[1 * 8], ref01);
AV_WN32A(&ref_cache[2 * 8], ref23);
ff_h264_draw_horiz_band(h, sl, top, height);
- if (h->droppable)
+ if (h->droppable || sl->h264->slice_ctx[0].er.error_occurred)
return;
ff_thread_report_progress(&h->cur_pic_ptr->tf, top + height - 1,
int startx, int starty,
int endx, int endy, int status)
{
-#if CONFIG_ERROR_RESILIENCE
- ERContext *er = &sl->er;
-
if (!sl->h264->enable_er)
return;
- er->ref_count = sl->ref_count[0];
- ff_er_add_slice(er, startx, starty, endx, endy, status);
-#endif
+ if (CONFIG_ERROR_RESILIENCE) {
+ ERContext *er = &sl->h264->slice_ctx[0].er;
+
+ ff_er_add_slice(er, startx, starty, endx, endy, status);
+ }
}
static int decode_slice(struct AVCodecContext *avctx, void *arg)
sl->mb_skip_run = -1;
+ av_assert0(h->block_offset[15] == (4 * ((scan8[15] - scan8[0]) & 7) << h->pixel_shift) + 4 * sl->linesize * ((scan8[15] - scan8[0]) >> 3));
+
if (h->postpone_filter)
sl->deblocking_filter = 0;
avctx->codec_id != AV_CODEC_ID_H264 ||
(CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
+ if (!(h->avctx->active_thread_type & FF_THREAD_SLICE) && h->picture_structure == PICT_FRAME && h->slice_ctx[0].er.error_status_table) {
+ const int start_i = av_clip(sl->resync_mb_x + sl->resync_mb_y * h->mb_width, 0, h->mb_num - 1);
+ if (start_i) {
+ int prev_status = h->slice_ctx[0].er.error_status_table[h->slice_ctx[0].er.mb_index2xy[start_i - 1]];
+ prev_status &= ~ VP_START;
+ if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END))
+ h->slice_ctx[0].er.error_occurred = 1;
+ }
+ }
+
if (h->ps.pps->cabac) {
/* realign */
align_get_bits(&sl->gb);
/* init cabac */
- ff_init_cabac_decoder(&sl->cabac,
+ ret = ff_init_cabac_decoder(&sl->cabac,
sl->gb.buffer + get_bits_count(&sl->gb) / 8,
(get_bits_left(&sl->gb) + 7) / 8);
+ if (ret < 0)
+ return ret;
ff_h264_init_cabac_states(h, sl);
for (;;) {
// START_TIMER
int ret, eos;
-
if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
sl->next_slice_idx);
+ er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
+ sl->mb_y, ER_MB_ERROR);
return AVERROR_INVALIDDATA;
}
loop_filter(h, sl, lf_x_start, sl->mb_x + 1);
goto finish;
}
- if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 2) {
+ if (sl->cabac.bytestream > sl->cabac.bytestream_end + 2 )
+ av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %"PTRDIFF_SPECIFIER"\n", sl->cabac.bytestream_end - sl->cabac.bytestream);
+ if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 4) {
av_log(h->avctx, AV_LOG_ERROR,
- "error while decoding MB %d %d, bytestream %td\n",
+ "error while decoding MB %d %d, bytestream %"PTRDIFF_SPECIFIER"\n",
sl->mb_x, sl->mb_y,
sl->cabac.bytestream_end - sl->cabac.bytestream);
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
sl->next_slice_idx);
+ er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
+ sl->mb_y, ER_MB_ERROR);
return AVERROR_INVALIDDATA;
}
ff_tlog(h->avctx, "slice end %d %d\n",
get_bits_count(&sl->gb), sl->gb.size_in_bits);
- if (get_bits_left(&sl->gb) == 0) {
+ if ( get_bits_left(&sl->gb) == 0
+ || get_bits_left(&sl->gb) > 0 && !(h->avctx->err_recognition & AV_EF_AGGRESSIVE)) {
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
sl->mb_x - 1, sl->mb_y, ER_MB_END);
goto finish;
} else {
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
- sl->mb_x - 1, sl->mb_y, ER_MB_END);
+ sl->mb_x, sl->mb_y, ER_MB_END);
return AVERROR_INVALIDDATA;
}
H264SliceContext *sl;
int i, j;
- if (h->avctx->hwaccel)
+ av_assert0(context_count && h->slice_ctx[context_count - 1].mb_y < h->mb_height);
+
+ h->slice_ctx[0].next_slice_idx = INT_MAX;
+
+ if (h->avctx->hwaccel
+#if FF_API_CAP_VDPAU
+ || h->avctx->codec->capabilities & AV_CODEC_CAP_HWACCEL_VDPAU
+#endif
+ )
return 0;
if (context_count == 1) {
int ret;
h->mb_y = h->slice_ctx[0].mb_y;
return ret;
} else {
+ av_assert0(context_count > 0);
for (i = 0; i < context_count; i++) {
int next_slice_idx = h->mb_width * h->mb_height;
int slice_idx;
sl = &h->slice_ctx[i];
- sl->er.error_count = 0;
+ if (CONFIG_ERROR_RESILIENCE) {
+ sl->er.error_count = 0;
+ }
/* make sure none of those slices overlap */
slice_idx = sl->mb_y * h->mb_width + sl->mb_x;
/* pull back stuff from slices to master context */
sl = &h->slice_ctx[context_count - 1];
h->mb_y = sl->mb_y;
- for (i = 1; i < context_count; i++)
- h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
+ if (CONFIG_ERROR_RESILIENCE) {
+ for (i = 1; i < context_count; i++)
+ h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
+ }
if (h->postpone_filter) {
h->postpone_filter = 0;