/*
* Copyright (C) 2003-2004 the ffmpeg project
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/vp3.c
+ * @file
* On2 VP3 Video Decoder
*
* VP3 Video Decoder by Mike Melanson (mike at multimedia.cx)
#include <stdlib.h>
#include <string.h>
+#include "libavutil/imgutils.h"
#include "avcodec.h"
+#include "internal.h"
#include "dsputil.h"
#include "get_bits.h"
#include "vp3data.h"
#include "xiph.h"
+#include "thread.h"
#define FRAGMENT_PIXELS 8
-static av_cold int vp3_decode_end(AVCodecContext *avctx);
-
//FIXME split things out into their own arrays
typedef struct Vp3Fragment {
int16_t dc;
DSPContext dsp;
int flipped_image;
int last_slice_end;
+ int skip_loop_filter;
int qps[3];
int nqps;
/* these arrays need to be on 16-byte boundaries since SSE2 operations
* index into them */
- DECLARE_ALIGNED(16, int16_t, qmat)[3][2][3][64]; //<qmat[qpi][is_inter][plane]
+ DECLARE_ALIGNED(16, int16_t, qmat)[3][2][3][64]; ///< qmat[qpi][is_inter][plane]
/* This table contains superblock_count * 16 entries. Each set of 16
* numbers corresponds to the fragment indexes 0..15 of the superblock.
* is coded. */
unsigned char *macroblock_coding;
- uint8_t edge_emu_buffer[9*2048]; //FIXME dynamic alloc
- int8_t qscale_table[2048]; //FIXME dynamic alloc (width+15)/16
+ uint8_t *edge_emu_buffer;
/* Huffman decode */
int hti;
unsigned int hbits;
int entries;
int huff_code_size;
- uint16_t huffman_table[80][32][2];
+ uint32_t huffman_table[80][32][2];
uint8_t filter_limit_values[64];
DECLARE_ALIGNED(8, int, bounding_values_array)[256+2];
* VP3 specific functions
************************************************************************/
+static void vp3_decode_flush(AVCodecContext *avctx)
+{
+ Vp3DecodeContext *s = avctx->priv_data;
+
+ if (s->golden_frame.data[0]) {
+ if (s->golden_frame.data[0] == s->last_frame.data[0])
+ memset(&s->last_frame, 0, sizeof(AVFrame));
+ if (s->current_frame.data[0] == s->golden_frame.data[0])
+ memset(&s->current_frame, 0, sizeof(AVFrame));
+ ff_thread_release_buffer(avctx, &s->golden_frame);
+ }
+ if (s->last_frame.data[0]) {
+ if (s->current_frame.data[0] == s->last_frame.data[0])
+ memset(&s->current_frame, 0, sizeof(AVFrame));
+ ff_thread_release_buffer(avctx, &s->last_frame);
+ }
+ if (s->current_frame.data[0])
+ ff_thread_release_buffer(avctx, &s->current_frame);
+}
+
+static av_cold int vp3_decode_end(AVCodecContext *avctx)
+{
+ Vp3DecodeContext *s = avctx->priv_data;
+ int i;
+
+ av_free(s->superblock_coding);
+ av_free(s->all_fragments);
+ av_free(s->coded_fragment_list[0]);
+ av_free(s->dct_tokens_base);
+ av_free(s->superblock_fragments);
+ av_free(s->macroblock_coding);
+ av_free(s->motion_val[0]);
+ av_free(s->motion_val[1]);
+ av_free(s->edge_emu_buffer);
+
+ if (avctx->internal->is_copy)
+ return 0;
+
+ for (i = 0; i < 16; i++) {
+ ff_free_vlc(&s->dc_vlc[i]);
+ ff_free_vlc(&s->ac_vlc_1[i]);
+ ff_free_vlc(&s->ac_vlc_2[i]);
+ ff_free_vlc(&s->ac_vlc_3[i]);
+ ff_free_vlc(&s->ac_vlc_4[i]);
+ }
+
+ ff_free_vlc(&s->superblock_run_length_vlc);
+ ff_free_vlc(&s->fragment_run_length_vlc);
+ ff_free_vlc(&s->mode_code_vlc);
+ ff_free_vlc(&s->motion_vector_vlc);
+
+ /* release all frames */
+ vp3_decode_flush(avctx);
+
+ return 0;
+}
+
/*
* This function sets up all of the various blocks mappings:
* superblocks <-> fragments, macroblocks <-> fragments,
* superblocks <-> macroblocks
*
- * Returns 0 is successful; returns 1 if *anything* went wrong.
+ * @return 0 is successful; returns 1 if *anything* went wrong.
*/
static int init_block_mapping(Vp3DecodeContext *s)
{
s->qmat[qpi][inter][plane][0] = s->qmat[0][inter][plane][0];
}
}
-
- memset(s->qscale_table, (FFMAX(s->qmat[0][0][0][1], s->qmat[0][0][1][1])+8)/16, 512); //FIXME finetune
}
/*
int value;
filter_limit = s->filter_limit_values[s->qps[0]];
+ assert(filter_limit < 128);
/* set up the bounding values */
memset(s->bounding_values_array, 0, 256 * sizeof(int));
} else {
/* unpack the list of partially-coded superblocks */
- bit = get_bits1(gb);
- while (current_superblock < s->superblock_count) {
+ bit = get_bits1(gb) ^ 1;
+ current_run = 0;
+
+ while (current_superblock < s->superblock_count && get_bits_left(gb) > 0) {
+ if (s->theora && current_run == MAXIMUM_LONG_BIT_RUN)
+ bit = get_bits1(gb);
+ else
+ bit ^= 1;
+
current_run = get_vlc2(gb,
s->superblock_run_length_vlc.table, 6, 2) + 1;
if (current_run == 34)
current_superblock += current_run;
if (bit)
num_partial_superblocks += current_run;
-
- if (s->theora && current_run == MAXIMUM_LONG_BIT_RUN)
- bit = get_bits1(gb);
- else
- bit ^= 1;
}
/* unpack the list of fully coded superblocks if any of the blocks were
int superblocks_decoded = 0;
current_superblock = 0;
- bit = get_bits1(gb);
- while (superblocks_decoded < s->superblock_count - num_partial_superblocks) {
+ bit = get_bits1(gb) ^ 1;
+ current_run = 0;
+
+ while (superblocks_decoded < s->superblock_count - num_partial_superblocks
+ && get_bits_left(gb) > 0) {
+
+ if (s->theora && current_run == MAXIMUM_LONG_BIT_RUN)
+ bit = get_bits1(gb);
+ else
+ bit ^= 1;
+
current_run = get_vlc2(gb,
s->superblock_run_length_vlc.table, 6, 2) + 1;
if (current_run == 34)
}
}
superblocks_decoded += current_run;
-
- if (s->theora && current_run == MAXIMUM_LONG_BIT_RUN)
- bit = get_bits1(gb);
- else
- bit ^= 1;
}
}
int sb_end = sb_start + (plane ? s->c_superblock_count : s->y_superblock_count);
int num_coded_frags = 0;
- for (i = sb_start; i < sb_end; i++) {
+ for (i = sb_start; i < sb_end && get_bits_left(gb) > 0; i++) {
/* iterate through all 16 fragments in a superblock */
for (j = 0; j < 16; j++) {
* coded fragments */
for (sb_y = 0; sb_y < s->y_superblock_height; sb_y++) {
for (sb_x = 0; sb_x < s->y_superblock_width; sb_x++) {
+ if (get_bits_left(gb) <= 0)
+ return -1;
for (j = 0; j < 4; j++) {
int mb_x = 2*sb_x + (j>>1);
* coded fragments */
for (sb_y = 0; sb_y < s->y_superblock_height; sb_y++) {
for (sb_x = 0; sb_x < s->y_superblock_width; sb_x++) {
+ if (get_bits_left(gb) <= 0)
+ return -1;
for (j = 0; j < 4; j++) {
int mb_x = 2*sb_x + (j>>1);
for (qpi = 0; qpi < s->nqps-1 && num_blocks > 0; qpi++) {
i = blocks_decoded = num_blocks_at_qpi = 0;
- bit = get_bits1(gb);
+ bit = get_bits1(gb) ^ 1;
+ run_length = 0;
do {
+ if (run_length == MAXIMUM_LONG_BIT_RUN)
+ bit = get_bits1(gb);
+ else
+ bit ^= 1;
+
run_length = get_vlc2(gb, s->superblock_run_length_vlc.table, 6, 2) + 1;
if (run_length == 34)
run_length += get_bits(gb, 12);
j++;
}
}
-
- if (run_length == MAXIMUM_LONG_BIT_RUN)
- bit = get_bits1(gb);
- else
- bit ^= 1;
- } while (blocks_decoded < num_blocks);
+ } while (blocks_decoded < num_blocks && get_bits_left(gb) > 0);
num_blocks -= num_blocks_at_qpi;
}
while (coeff_i < num_coeffs && get_bits_left(gb) > 0) {
/* decode a VLC into a token */
- token = get_vlc2(gb, vlc_table, 5, 3);
+ token = get_vlc2(gb, vlc_table, 11, 3);
/* use the token to get a zero run, a coefficient, and an eob run */
- if (token <= 6) {
+ if ((unsigned) token <= 6U) {
eob_run = eob_run_base[token];
if (eob_run_get_bits[token])
eob_run += get_bits(gb, eob_run_get_bits[token]);
coeff_i += eob_run;
eob_run = 0;
}
- } else {
+ } else if (token >= 0) {
bits_to_get = coeff_get_bits[token];
if (bits_to_get)
bits_to_get = get_bits(gb, bits_to_get);
for (i = coeff_index+1; i <= coeff_index+zero_run; i++)
s->num_coded_frags[plane][i]--;
coeff_i++;
+ } else {
+ av_log(s->avctx, AV_LOG_ERROR,
+ "Invalid token %d\n", token);
+ return -1;
}
}
/* unpack the Y plane DC coefficients */
residual_eob_run = unpack_vlcs(s, gb, &s->dc_vlc[dc_y_table], 0,
0, residual_eob_run);
+ if (residual_eob_run < 0)
+ return residual_eob_run;
/* reverse prediction of the Y-plane DC coefficients */
reverse_dc_prediction(s, 0, s->fragment_width[0], s->fragment_height[0]);
/* unpack the C plane DC coefficients */
residual_eob_run = unpack_vlcs(s, gb, &s->dc_vlc[dc_c_table], 0,
1, residual_eob_run);
+ if (residual_eob_run < 0)
+ return residual_eob_run;
residual_eob_run = unpack_vlcs(s, gb, &s->dc_vlc[dc_c_table], 0,
2, residual_eob_run);
+ if (residual_eob_run < 0)
+ return residual_eob_run;
/* reverse prediction of the C-plane DC coefficients */
if (!(s->avctx->flags & CODEC_FLAG_GRAY))
for (i = 1; i <= 63; i++) {
residual_eob_run = unpack_vlcs(s, gb, y_tables[i], i,
0, residual_eob_run);
+ if (residual_eob_run < 0)
+ return residual_eob_run;
residual_eob_run = unpack_vlcs(s, gb, c_tables[i], i,
1, residual_eob_run);
+ if (residual_eob_run < 0)
+ return residual_eob_run;
residual_eob_run = unpack_vlcs(s, gb, c_tables[i], i,
2, residual_eob_run);
+ if (residual_eob_run < 0)
+ return residual_eob_run;
}
return 0;
}
/**
- * Pulls DCT tokens from the 64 levels to decode and dequant the coefficients
+ * Pull DCT tokens from the 64 levels to decode and dequant the coefficients
* for the next block in coding order
*/
static inline int vp3_dequant(Vp3DecodeContext *s, Vp3Fragment *frag,
case 1: // zero run
s->dct_tokens[plane][i]++;
i += (token >> 2) & 0x7f;
+ if (i > 63) {
+ av_log(s->avctx, AV_LOG_ERROR, "Coefficient index overflow\n");
+ return i;
+ }
block[perm[i]] = (token >> 9) * dequantizer[perm[i]];
i++;
break;
return i;
}
} while (i < 64);
+ // return value is expected to be a valid level
+ i--;
end:
// the actual DC+prediction is in the fragment structure
block[0] = frag->dc * s->qmat[0][inter][plane][0];
*/
static void vp3_draw_horiz_band(Vp3DecodeContext *s, int y)
{
- int h, cy;
- int offset[4];
+ int h, cy, i;
+ int offset[AV_NUM_DATA_POINTERS];
+
+ if (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) {
+ int y_flipped = s->flipped_image ? s->avctx->height-y : y;
+
+ // At the end of the frame, report INT_MAX instead of the height of the frame.
+ // This makes the other threads' ff_thread_await_progress() calls cheaper, because
+ // they don't have to clip their values.
+ ff_thread_report_progress(&s->current_frame, y_flipped==s->avctx->height ? INT_MAX : y_flipped-1, 0);
+ }
if(s->avctx->draw_horiz_band==NULL)
return;
h= y - s->last_slice_end;
+ s->last_slice_end= y;
y -= h;
if (!s->flipped_image) {
- if (y == 0)
- h -= s->height - s->avctx->height; // account for non-mod16
- y = s->height - y - h;
+ y = s->avctx->height - y - h;
}
- cy = y >> 1;
+ cy = y >> s->chroma_y_shift;
offset[0] = s->current_frame.linesize[0]*y;
offset[1] = s->current_frame.linesize[1]*cy;
offset[2] = s->current_frame.linesize[2]*cy;
- offset[3] = 0;
+ for (i = 3; i < AV_NUM_DATA_POINTERS; i++)
+ offset[i] = 0;
emms_c();
s->avctx->draw_horiz_band(s->avctx, &s->current_frame, offset, y, 3, h);
- s->last_slice_end= y + h;
+}
+
+/**
+ * Wait for the reference frame of the current fragment.
+ * The progress value is in luma pixel rows.
+ */
+static void await_reference_row(Vp3DecodeContext *s, Vp3Fragment *fragment, int motion_y, int y)
+{
+ AVFrame *ref_frame;
+ int ref_row;
+ int border = motion_y&1;
+
+ if (fragment->coding_method == MODE_USING_GOLDEN ||
+ fragment->coding_method == MODE_GOLDEN_MV)
+ ref_frame = &s->golden_frame;
+ else
+ ref_frame = &s->last_frame;
+
+ ref_row = y + (motion_y>>1);
+ ref_row = FFMAX(FFABS(ref_row), ref_row + 8 + border);
+
+ ff_thread_await_progress(ref_frame, ref_row, 0);
}
/*
*/
static void render_slice(Vp3DecodeContext *s, int slice)
{
- int x, y, i, j;
+ int x, y, i, j, fragment;
LOCAL_ALIGNED_16(DCTELEM, block, [64]);
int motion_x = 0xdeadbeef, motion_y = 0xdeadbeef;
int motion_halfpel_index;
int fragment_width = s->fragment_width[!!plane];
int fragment_height = s->fragment_height[!!plane];
int fragment_start = s->fragment_start[plane];
+ int do_await = !plane && HAVE_THREADS && (s->avctx->active_thread_type&FF_THREAD_FRAME);
if (!s->flipped_image) stride = -stride;
if (CONFIG_GRAY && plane && (s->avctx->flags & CODEC_FLAG_GRAY))
continue;
-
- if(FFABS(stride) > 2048)
- return; //various tables are fixed size
-
/* for each superblock row in the slice (both of them)... */
for (; sb_y < slice_height; sb_y++) {
for (j = 0; j < 16; j++) {
x = 4*sb_x + hilbert_offset[j][0];
y = 4*sb_y + hilbert_offset[j][1];
+ fragment = y*fragment_width + x;
- i = fragment_start + y*fragment_width + x;
+ i = fragment_start + fragment;
// bounds check
if (x >= fragment_width || y >= fragment_height)
first_pixel = 8*y*stride + 8*x;
+ if (do_await && s->all_fragments[i].coding_method != MODE_INTRA)
+ await_reference_row(s, &s->all_fragments[i], motion_val[fragment][1], (16*y) >> s->chroma_y_shift);
+
/* transform if this block was coded */
if (s->all_fragments[i].coding_method != MODE_COPY) {
- int intra = s->all_fragments[i].coding_method == MODE_INTRA;
-
if ((s->all_fragments[i].coding_method == MODE_USING_GOLDEN) ||
(s->all_fragments[i].coding_method == MODE_GOLDEN_MV))
motion_source= golden_plane;
if ((s->all_fragments[i].coding_method > MODE_INTRA) &&
(s->all_fragments[i].coding_method != MODE_USING_GOLDEN)) {
int src_x, src_y;
- motion_x = motion_val[y*fragment_width + x][0];
- motion_y = motion_val[y*fragment_width + x][1];
+ motion_x = motion_val[fragment][0];
+ motion_y = motion_val[fragment][1];
src_x= (motion_x>>1) + 8*x;
src_y= (motion_y>>1) + 8*y;
if(src_x<0 || src_y<0 || src_x + 9 >= plane_width || src_y + 9 >= plane_height){
uint8_t *temp= s->edge_emu_buffer;
- if(stride<0) temp -= 9*stride;
- else temp += 9*stride;
+ if(stride<0) temp -= 8*stride;
- ff_emulated_edge_mc(temp, motion_source, stride, 9, 9, src_x, src_y, plane_width, plane_height);
+ s->dsp.emulated_edge_mc(temp, motion_source, stride, 9, 9, src_x, src_y, plane_width, plane_height);
motion_source= temp;
}
}
}
s->dsp.clear_block(block);
- vp3_dequant(s, s->all_fragments + i, plane, !intra, block);
/* invert DCT and place (or add) in final output */
if (s->all_fragments[i].coding_method == MODE_INTRA) {
+ int index;
+ index = vp3_dequant(s, s->all_fragments + i, plane, 0, block);
+ if (index > 63)
+ continue;
if(s->avctx->idct_algo!=FF_IDCT_VP3)
block[0] += 128<<3;
s->dsp.idct_put(
stride,
block);
} else {
+ int index = vp3_dequant(s, s->all_fragments + i, plane, 1, block);
+ if (index > 63)
+ continue;
+ if (index > 0) {
s->dsp.idct_add(
output_plane + first_pixel,
stride,
block);
+ } else {
+ s->dsp.vp3_idct_dc_add(output_plane + first_pixel, stride, block);
+ }
}
} else {
}
// Filter up to the last row in the superblock row
- apply_loop_filter(s, plane, 4*sb_y - !!sb_y, FFMIN(4*sb_y+3, fragment_height-1));
+ if (!s->skip_loop_filter)
+ apply_loop_filter(s, plane, 4*sb_y - !!sb_y, FFMIN(4*sb_y+3, fragment_height-1));
}
}
* dispatch (slice - 1);
*/
- vp3_draw_horiz_band(s, FFMIN(64*slice + 64-16, s->height-16));
+ vp3_draw_horiz_band(s, FFMIN((32 << s->chroma_y_shift) * (slice + 1) -16, s->height-16));
+}
+
+/// Allocate tables for per-frame data in Vp3DecodeContext
+static av_cold int allocate_tables(AVCodecContext *avctx)
+{
+ Vp3DecodeContext *s = avctx->priv_data;
+ int y_fragment_count, c_fragment_count;
+
+ y_fragment_count = s->fragment_width[0] * s->fragment_height[0];
+ c_fragment_count = s->fragment_width[1] * s->fragment_height[1];
+
+ s->superblock_coding = av_malloc(s->superblock_count);
+ s->all_fragments = av_malloc(s->fragment_count * sizeof(Vp3Fragment));
+ s->coded_fragment_list[0] = av_malloc(s->fragment_count * sizeof(int));
+ s->dct_tokens_base = av_malloc(64*s->fragment_count * sizeof(*s->dct_tokens_base));
+ s->motion_val[0] = av_malloc(y_fragment_count * sizeof(*s->motion_val[0]));
+ s->motion_val[1] = av_malloc(c_fragment_count * sizeof(*s->motion_val[1]));
+
+ /* work out the block mapping tables */
+ s->superblock_fragments = av_malloc(s->superblock_count * 16 * sizeof(int));
+ s->macroblock_coding = av_malloc(s->macroblock_count + 1);
+
+ if (!s->superblock_coding || !s->all_fragments || !s->dct_tokens_base ||
+ !s->coded_fragment_list[0] || !s->superblock_fragments || !s->macroblock_coding ||
+ !s->motion_val[0] || !s->motion_val[1]) {
+ vp3_decode_end(avctx);
+ return -1;
+ }
+
+ init_block_mapping(s);
+
+ return 0;
}
-/*
- * This is the ffmpeg/libavcodec API init function.
- */
static av_cold int vp3_decode_init(AVCodecContext *avctx)
{
Vp3DecodeContext *s = avctx->priv_data;
avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
if(avctx->idct_algo==FF_IDCT_AUTO)
avctx->idct_algo=FF_IDCT_VP3;
- dsputil_init(&s->dsp, avctx);
+ ff_dsputil_init(&s->dsp, avctx);
ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct);
s->superblock_count = s->y_superblock_count + (s->c_superblock_count * 2);
s->u_superblock_start = s->y_superblock_count;
s->v_superblock_start = s->u_superblock_start + s->c_superblock_count;
- s->superblock_coding = av_malloc(s->superblock_count);
s->macroblock_width = (s->width + 15) / 16;
s->macroblock_height = (s->height + 15) / 16;
s->fragment_start[1] = y_fragment_count;
s->fragment_start[2] = y_fragment_count + c_fragment_count;
- s->all_fragments = av_malloc(s->fragment_count * sizeof(Vp3Fragment));
- s->coded_fragment_list[0] = av_malloc(s->fragment_count * sizeof(int));
- s->dct_tokens_base = av_malloc(64*s->fragment_count * sizeof(*s->dct_tokens_base));
- s->motion_val[0] = av_malloc(y_fragment_count * sizeof(*s->motion_val[0]));
- s->motion_val[1] = av_malloc(c_fragment_count * sizeof(*s->motion_val[1]));
-
- if (!s->superblock_coding || !s->all_fragments || !s->dct_tokens_base ||
- !s->coded_fragment_list[0] || !s->motion_val[0] || !s->motion_val[1]) {
- vp3_decode_end(avctx);
- return -1;
- }
-
if (!s->theora_tables)
{
for (i = 0; i < 64; i++) {
for (i = 0; i < 16; i++) {
/* DC histograms */
- init_vlc(&s->dc_vlc[i], 5, 32,
+ init_vlc(&s->dc_vlc[i], 11, 32,
&dc_bias[i][0][1], 4, 2,
&dc_bias[i][0][0], 4, 2, 0);
/* group 1 AC histograms */
- init_vlc(&s->ac_vlc_1[i], 5, 32,
+ init_vlc(&s->ac_vlc_1[i], 11, 32,
&ac_bias_0[i][0][1], 4, 2,
&ac_bias_0[i][0][0], 4, 2, 0);
/* group 2 AC histograms */
- init_vlc(&s->ac_vlc_2[i], 5, 32,
+ init_vlc(&s->ac_vlc_2[i], 11, 32,
&ac_bias_1[i][0][1], 4, 2,
&ac_bias_1[i][0][0], 4, 2, 0);
/* group 3 AC histograms */
- init_vlc(&s->ac_vlc_3[i], 5, 32,
+ init_vlc(&s->ac_vlc_3[i], 11, 32,
&ac_bias_2[i][0][1], 4, 2,
&ac_bias_2[i][0][0], 4, 2, 0);
/* group 4 AC histograms */
- init_vlc(&s->ac_vlc_4[i], 5, 32,
+ init_vlc(&s->ac_vlc_4[i], 11, 32,
&ac_bias_3[i][0][1], 4, 2,
&ac_bias_3[i][0][0], 4, 2, 0);
}
} else {
- for (i = 0; i < 16; i++) {
+ for (i = 0; i < 16; i++) {
/* DC histograms */
- if (init_vlc(&s->dc_vlc[i], 5, 32,
- &s->huffman_table[i][0][1], 4, 2,
- &s->huffman_table[i][0][0], 4, 2, 0) < 0)
+ if (init_vlc(&s->dc_vlc[i], 11, 32,
+ &s->huffman_table[i][0][1], 8, 4,
+ &s->huffman_table[i][0][0], 8, 4, 0) < 0)
goto vlc_fail;
/* group 1 AC histograms */
- if (init_vlc(&s->ac_vlc_1[i], 5, 32,
- &s->huffman_table[i+16][0][1], 4, 2,
- &s->huffman_table[i+16][0][0], 4, 2, 0) < 0)
+ if (init_vlc(&s->ac_vlc_1[i], 11, 32,
+ &s->huffman_table[i+16][0][1], 8, 4,
+ &s->huffman_table[i+16][0][0], 8, 4, 0) < 0)
goto vlc_fail;
/* group 2 AC histograms */
- if (init_vlc(&s->ac_vlc_2[i], 5, 32,
- &s->huffman_table[i+16*2][0][1], 4, 2,
- &s->huffman_table[i+16*2][0][0], 4, 2, 0) < 0)
+ if (init_vlc(&s->ac_vlc_2[i], 11, 32,
+ &s->huffman_table[i+16*2][0][1], 8, 4,
+ &s->huffman_table[i+16*2][0][0], 8, 4, 0) < 0)
goto vlc_fail;
/* group 3 AC histograms */
- if (init_vlc(&s->ac_vlc_3[i], 5, 32,
- &s->huffman_table[i+16*3][0][1], 4, 2,
- &s->huffman_table[i+16*3][0][0], 4, 2, 0) < 0)
+ if (init_vlc(&s->ac_vlc_3[i], 11, 32,
+ &s->huffman_table[i+16*3][0][1], 8, 4,
+ &s->huffman_table[i+16*3][0][0], 8, 4, 0) < 0)
goto vlc_fail;
/* group 4 AC histograms */
- if (init_vlc(&s->ac_vlc_4[i], 5, 32,
- &s->huffman_table[i+16*4][0][1], 4, 2,
- &s->huffman_table[i+16*4][0][0], 4, 2, 0) < 0)
+ if (init_vlc(&s->ac_vlc_4[i], 11, 32,
+ &s->huffman_table[i+16*4][0][1], 8, 4,
+ &s->huffman_table[i+16*4][0][0], 8, 4, 0) < 0)
goto vlc_fail;
}
}
&motion_vector_vlc_table[0][1], 2, 1,
&motion_vector_vlc_table[0][0], 2, 1, 0);
- /* work out the block mapping tables */
- s->superblock_fragments = av_malloc(s->superblock_count * 16 * sizeof(int));
- s->macroblock_coding = av_malloc(s->macroblock_count + 1);
- if (!s->superblock_fragments || !s->macroblock_coding) {
- vp3_decode_end(avctx);
- return -1;
- }
- init_block_mapping(s);
-
for (i = 0; i < 3; i++) {
s->current_frame.data[i] = NULL;
s->last_frame.data[i] = NULL;
s->golden_frame.data[i] = NULL;
}
- return 0;
+ return allocate_tables(avctx);
vlc_fail:
av_log(avctx, AV_LOG_FATAL, "Invalid huffman table\n");
return -1;
}
-/*
- * This is the ffmpeg/libavcodec API frame decode function.
- */
+/// Release and shuffle frames after decode finishes
+static void update_frames(AVCodecContext *avctx)
+{
+ Vp3DecodeContext *s = avctx->priv_data;
+
+ /* release the last frame, if it is allocated and if it is not the
+ * golden frame */
+ if (s->last_frame.data[0] && s->last_frame.type != FF_BUFFER_TYPE_COPY)
+ ff_thread_release_buffer(avctx, &s->last_frame);
+
+ /* shuffle frames (last = current) */
+ s->last_frame= s->current_frame;
+
+ if (s->keyframe) {
+ if (s->golden_frame.data[0])
+ ff_thread_release_buffer(avctx, &s->golden_frame);
+ s->golden_frame = s->current_frame;
+ s->last_frame.type = FF_BUFFER_TYPE_COPY;
+ }
+
+ s->current_frame.data[0]= NULL; /* ensure that we catch any access to this released frame */
+}
+
+static int vp3_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
+{
+ Vp3DecodeContext *s = dst->priv_data, *s1 = src->priv_data;
+ int qps_changed = 0, i, err;
+
+#define copy_fields(to, from, start_field, end_field) memcpy(&to->start_field, &from->start_field, (char*)&to->end_field - (char*)&to->start_field)
+
+ if (!s1->current_frame.data[0]
+ ||s->width != s1->width
+ ||s->height!= s1->height) {
+ if (s != s1)
+ copy_fields(s, s1, golden_frame, current_frame);
+ return -1;
+ }
+
+ if (s != s1) {
+ // init tables if the first frame hasn't been decoded
+ if (!s->current_frame.data[0]) {
+ int y_fragment_count, c_fragment_count;
+ s->avctx = dst;
+ err = allocate_tables(dst);
+ if (err)
+ return err;
+ y_fragment_count = s->fragment_width[0] * s->fragment_height[0];
+ c_fragment_count = s->fragment_width[1] * s->fragment_height[1];
+ memcpy(s->motion_val[0], s1->motion_val[0], y_fragment_count * sizeof(*s->motion_val[0]));
+ memcpy(s->motion_val[1], s1->motion_val[1], c_fragment_count * sizeof(*s->motion_val[1]));
+ }
+
+ // copy previous frame data
+ copy_fields(s, s1, golden_frame, dsp);
+
+ // copy qscale data if necessary
+ for (i = 0; i < 3; i++) {
+ if (s->qps[i] != s1->qps[1]) {
+ qps_changed = 1;
+ memcpy(&s->qmat[i], &s1->qmat[i], sizeof(s->qmat[i]));
+ }
+ }
+
+ if (s->qps[0] != s1->qps[0])
+ memcpy(&s->bounding_values_array, &s1->bounding_values_array, sizeof(s->bounding_values_array));
+
+ if (qps_changed)
+ copy_fields(s, s1, qps, superblock_count);
+#undef copy_fields
+ }
+
+ update_frames(dst);
+
+ return 0;
+}
+
static int vp3_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
int buf_size = avpkt->size;
Vp3DecodeContext *s = avctx->priv_data;
GetBitContext gb;
- static int counter = 0;
int i;
init_get_bits(&gb, buf, buf_size * 8);
if (s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",
- s->keyframe?"key":"", counter, s->qps[0]);
- counter++;
+ s->keyframe?"key":"", avctx->frame_number+1, s->qps[0]);
+
+ s->skip_loop_filter = !s->filter_limit_values[s->qps[0]] ||
+ avctx->skip_loop_filter >= (s->keyframe ? AVDISCARD_ALL : AVDISCARD_NONKEY);
if (s->qps[0] != s->last_qps[0])
init_loop_filter(s);
return buf_size;
s->current_frame.reference = 3;
- s->current_frame.pict_type = s->keyframe ? FF_I_TYPE : FF_P_TYPE;
- if (avctx->get_buffer(avctx, &s->current_frame) < 0) {
+ s->current_frame.pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
+ if (ff_thread_get_buffer(avctx, &s->current_frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto error;
}
+ if (!s->edge_emu_buffer)
+ s->edge_emu_buffer = av_malloc(9*FFABS(s->current_frame.linesize[0]));
+
if (s->keyframe) {
if (!s->theora)
{
if (s->version)
{
s->version = get_bits(&gb, 5);
- if (counter == 1)
+ if (avctx->frame_number == 0)
av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\n", s->version);
}
}
av_log(s->avctx, AV_LOG_WARNING, "vp3: first frame not a keyframe\n");
s->golden_frame.reference = 3;
- s->golden_frame.pict_type = FF_I_TYPE;
- if (avctx->get_buffer(avctx, &s->golden_frame) < 0) {
+ s->golden_frame.pict_type = AV_PICTURE_TYPE_I;
+ if (ff_thread_get_buffer(avctx, &s->golden_frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto error;
}
s->last_frame = s->golden_frame;
s->last_frame.type = FF_BUFFER_TYPE_COPY;
+ ff_thread_report_progress(&s->last_frame, INT_MAX, 0);
}
}
- s->current_frame.qscale_table= s->qscale_table; //FIXME allocate individual tables per AVFrame
- s->current_frame.qstride= 0;
-
memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment));
+ ff_thread_finish_setup(avctx);
if (unpack_superblocks(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");
int row = (s->height >> (3+(i && s->chroma_y_shift))) - 1;
apply_loop_filter(s, i, row, row+1);
}
- vp3_draw_horiz_band(s, s->height);
+ vp3_draw_horiz_band(s, s->avctx->height);
*data_size=sizeof(AVFrame);
*(AVFrame*)data= s->current_frame;
- /* release the last frame, if it is allocated and if it is not the
- * golden frame */
- if (s->last_frame.data[0] && s->last_frame.type != FF_BUFFER_TYPE_COPY)
- avctx->release_buffer(avctx, &s->last_frame);
-
- /* shuffle frames (last = current) */
- s->last_frame= s->current_frame;
-
- if (s->keyframe) {
- if (s->golden_frame.data[0])
- avctx->release_buffer(avctx, &s->golden_frame);
- s->golden_frame = s->current_frame;
- s->last_frame.type = FF_BUFFER_TYPE_COPY;
- }
-
- s->current_frame.data[0]= NULL; /* ensure that we catch any access to this released frame */
+ if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME))
+ update_frames(avctx);
return buf_size;
error:
- if (s->current_frame.data[0])
- avctx->release_buffer(avctx, &s->current_frame);
- return -1;
-}
+ ff_thread_report_progress(&s->current_frame, INT_MAX, 0);
-/*
- * This is the ffmpeg/libavcodec API module cleanup function.
- */
-static av_cold int vp3_decode_end(AVCodecContext *avctx)
-{
- Vp3DecodeContext *s = avctx->priv_data;
- int i;
-
- av_free(s->superblock_coding);
- av_free(s->all_fragments);
- av_free(s->coded_fragment_list[0]);
- av_free(s->dct_tokens_base);
- av_free(s->superblock_fragments);
- av_free(s->macroblock_coding);
- av_free(s->motion_val[0]);
- av_free(s->motion_val[1]);
-
- for (i = 0; i < 16; i++) {
- free_vlc(&s->dc_vlc[i]);
- free_vlc(&s->ac_vlc_1[i]);
- free_vlc(&s->ac_vlc_2[i]);
- free_vlc(&s->ac_vlc_3[i]);
- free_vlc(&s->ac_vlc_4[i]);
- }
-
- free_vlc(&s->superblock_run_length_vlc);
- free_vlc(&s->fragment_run_length_vlc);
- free_vlc(&s->mode_code_vlc);
- free_vlc(&s->motion_vector_vlc);
-
- /* release all frames */
- if (s->golden_frame.data[0])
- avctx->release_buffer(avctx, &s->golden_frame);
- if (s->last_frame.data[0] && s->last_frame.type != FF_BUFFER_TYPE_COPY)
- avctx->release_buffer(avctx, &s->last_frame);
- /* no need to release the current_frame since it will always be pointing
- * to the same frame as either the golden or last frame */
+ if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME))
+ avctx->release_buffer(avctx, &s->current_frame);
- return 0;
+ return -1;
}
static int read_huffman_tree(AVCodecContext *avctx, GetBitContext *gb)
return 0;
}
+static int vp3_init_thread_copy(AVCodecContext *avctx)
+{
+ Vp3DecodeContext *s = avctx->priv_data;
+
+ s->superblock_coding = NULL;
+ s->all_fragments = NULL;
+ s->coded_fragment_list[0] = NULL;
+ s->dct_tokens_base = NULL;
+ s->superblock_fragments = NULL;
+ s->macroblock_coding = NULL;
+ s->motion_val[0] = NULL;
+ s->motion_val[1] = NULL;
+ s->edge_emu_buffer = NULL;
+
+ return 0;
+}
+
#if CONFIG_THEORA_DECODER
static const enum PixelFormat theora_pix_fmts[4] = {
PIX_FMT_YUV420P, PIX_FMT_NONE, PIX_FMT_YUV422P, PIX_FMT_YUV444P
{
Vp3DecodeContext *s = avctx->priv_data;
int visible_width, visible_height, colorspace;
+ int offset_x = 0, offset_y = 0;
+ AVRational fps, aspect;
s->theora = get_bits_long(gb, 24);
av_log(avctx, AV_LOG_DEBUG, "Theora bitstream version %X\n", s->theora);
visible_width = s->width = get_bits(gb, 16) << 4;
visible_height = s->height = get_bits(gb, 16) << 4;
- if(avcodec_check_dimensions(avctx, s->width, s->height)){
+ if(av_image_check_size(s->width, s->height, 0, avctx)){
av_log(avctx, AV_LOG_ERROR, "Invalid dimensions (%dx%d)\n", s->width, s->height);
s->width= s->height= 0;
return -1;
visible_width = get_bits_long(gb, 24);
visible_height = get_bits_long(gb, 24);
- skip_bits(gb, 8); /* offset x */
- skip_bits(gb, 8); /* offset y */
+ offset_x = get_bits(gb, 8); /* offset x */
+ offset_y = get_bits(gb, 8); /* offset y, from bottom */
+ }
+
+ fps.num = get_bits_long(gb, 32);
+ fps.den = get_bits_long(gb, 32);
+ if (fps.num && fps.den) {
+ av_reduce(&avctx->time_base.num, &avctx->time_base.den,
+ fps.den, fps.num, 1<<30);
}
- skip_bits(gb, 32); /* fps numerator */
- skip_bits(gb, 32); /* fps denumerator */
- skip_bits(gb, 24); /* aspect numerator */
- skip_bits(gb, 24); /* aspect denumerator */
+ aspect.num = get_bits_long(gb, 24);
+ aspect.den = get_bits_long(gb, 24);
+ if (aspect.num && aspect.den) {
+ av_reduce(&avctx->sample_aspect_ratio.num,
+ &avctx->sample_aspect_ratio.den,
+ aspect.num, aspect.den, 1<<30);
+ }
if (s->theora < 0x030200)
skip_bits(gb, 5); /* keyframe frequency force */
// align_get_bits(gb);
if ( visible_width <= s->width && visible_width > s->width-16
- && visible_height <= s->height && visible_height > s->height-16)
+ && visible_height <= s->height && visible_height > s->height-16
+ && !offset_x && (offset_y == s->height - visible_height))
avcodec_set_dimensions(avctx, visible_width, visible_height);
else
avcodec_set_dimensions(avctx, s->width, s->height);
if (s->theora >= 0x030200) {
n = get_bits(gb, 3);
/* loop filter limit values table */
- for (i = 0; i < 64; i++) {
- s->filter_limit_values[i] = get_bits(gb, n);
- if (s->filter_limit_values[i] > 127) {
- av_log(avctx, AV_LOG_ERROR, "filter limit value too large (%i > 127), clamping\n", s->filter_limit_values[i]);
- s->filter_limit_values[i] = 127;
- }
- }
+ if (n)
+ for (i = 0; i < 64; i++)
+ s->filter_limit_values[i] = get_bits(gb, n);
}
if (s->theora >= 0x030200)
return -1;
}
- if (ff_split_xiph_headers(avctx->extradata, avctx->extradata_size,
+ if (avpriv_split_xiph_headers(avctx->extradata, avctx->extradata_size,
42, header_start, header_len) < 0) {
av_log(avctx, AV_LOG_ERROR, "Corrupt extradata\n");
return -1;
return vp3_decode_init(avctx);
}
-AVCodec theora_decoder = {
- "theora",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_THEORA,
- sizeof(Vp3DecodeContext),
- theora_decode_init,
- NULL,
- vp3_decode_end,
- vp3_decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND,
- NULL,
- .long_name = NULL_IF_CONFIG_SMALL("Theora"),
+AVCodec ff_theora_decoder = {
+ .name = "theora",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_THEORA,
+ .priv_data_size = sizeof(Vp3DecodeContext),
+ .init = theora_decode_init,
+ .close = vp3_decode_end,
+ .decode = vp3_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND |
+ CODEC_CAP_FRAME_THREADS,
+ .flush = vp3_decode_flush,
+ .long_name = NULL_IF_CONFIG_SMALL("Theora"),
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(vp3_init_thread_copy),
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context)
};
#endif
-AVCodec vp3_decoder = {
- "vp3",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_VP3,
- sizeof(Vp3DecodeContext),
- vp3_decode_init,
- NULL,
- vp3_decode_end,
- vp3_decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND,
- NULL,
- .long_name = NULL_IF_CONFIG_SMALL("On2 VP3"),
+AVCodec ff_vp3_decoder = {
+ .name = "vp3",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_VP3,
+ .priv_data_size = sizeof(Vp3DecodeContext),
+ .init = vp3_decode_init,
+ .close = vp3_decode_end,
+ .decode = vp3_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND |
+ CODEC_CAP_FRAME_THREADS,
+ .flush = vp3_decode_flush,
+ .long_name = NULL_IF_CONFIG_SMALL("On2 VP3"),
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(vp3_init_thread_copy),
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context),
};
projects / ffmpeg / blobdiff