/*
* 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
*/
#include "libavutil/imgutils.h"
#include "avcodec.h"
+#include "internal.h"
#include "dsputil.h"
#include "get_bits.h"
-
+#include "hpeldsp.h"
+#include "videodsp.h"
#include "vp3data.h"
+#include "vp3dsp.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;
int version;
int width, height;
int chroma_x_shift, chroma_y_shift;
- AVFrame golden_frame;
- AVFrame last_frame;
- AVFrame current_frame;
+ ThreadFrame golden_frame;
+ ThreadFrame last_frame;
+ ThreadFrame current_frame;
int keyframe;
- DSPContext dsp;
+ uint8_t idct_permutation[64];
+ uint8_t idct_scantable[64];
+ HpelDSPContext hdsp;
+ VideoDSPContext vdsp;
+ VP3DSPContext vp3dsp;
+ DECLARE_ALIGNED(16, int16_t, block)[64];
int flipped_image;
int last_slice_end;
int skip_loop_filter;
int8_t (*motion_val[2])[2];
- ScanTable scantable;
-
/* tables */
uint16_t coded_dc_scale_factor[64];
uint32_t coded_ac_scale_factor[64];
/* 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;
* VP3 specific functions
************************************************************************/
+static void vp3_decode_flush(AVCodecContext *avctx)
+{
+ Vp3DecodeContext *s = avctx->priv_data;
+
+ if (s->golden_frame.f)
+ ff_thread_release_buffer(avctx, &s->golden_frame);
+ if (s->last_frame.f)
+ ff_thread_release_buffer(avctx, &s->last_frame);
+ if (s->current_frame.f)
+ 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_freep(&s->superblock_coding);
+ av_freep(&s->all_fragments);
+ av_freep(&s->coded_fragment_list[0]);
+ av_freep(&s->dct_tokens_base);
+ av_freep(&s->superblock_fragments);
+ av_freep(&s->macroblock_coding);
+ av_freep(&s->motion_val[0]);
+ av_freep(&s->motion_val[1]);
+ av_freep(&s->edge_emu_buffer);
+
+ /* release all frames */
+ vp3_decode_flush(avctx);
+ av_frame_free(&s->current_frame.f);
+ av_frame_free(&s->last_frame.f);
+ av_frame_free(&s->golden_frame.f);
+
+ 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);
+
+
+ return 0;
+}
+
/*
* This function sets up all of the various blocks mappings:
* superblocks <-> fragments, macroblocks <-> fragments,
int qmin= 8<<(inter + !i);
int qscale= i ? ac_scale_factor : dc_scale_factor;
- s->qmat[qpi][inter][plane][s->dsp.idct_permutation[i]]= av_clip((qscale * coeff)/100 * 4, qmin, 4096);
+ s->qmat[qpi][inter][plane][s->idct_permutation[i]] =
+ av_clip((qscale * coeff) / 100 * 4, qmin, 4096);
}
// all DC coefficients use the same quant so as not to interfere with DC prediction
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));
int i, j = 0;
int token;
int zero_run = 0;
- DCTELEM coeff = 0;
+ int16_t coeff = 0;
int bits_to_get;
int blocks_ended;
int coeff_i = 0;
/* decode a VLC into a token */
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;
int width = s->fragment_width[!!plane];
int height = s->fragment_height[!!plane];
int fragment = s->fragment_start [plane] + ystart * width;
- int stride = s->current_frame.linesize[plane];
- uint8_t *plane_data = s->current_frame.data [plane];
+ ptrdiff_t stride = s->current_frame.f->linesize[plane];
+ uint8_t *plane_data = s->current_frame.f->data [plane];
if (!s->flipped_image) stride = -stride;
plane_data += s->data_offset[plane] + 8*ystart*stride;
{
/* do not perform left edge filter for left columns frags */
if (x > 0) {
- s->dsp.vp3_h_loop_filter(
+ s->vp3dsp.h_loop_filter(
plane_data + 8*x,
stride, bounding_values);
}
/* do not perform top edge filter for top row fragments */
if (y > 0) {
- s->dsp.vp3_v_loop_filter(
+ s->vp3dsp.v_loop_filter(
plane_data + 8*x,
stride, bounding_values);
}
* in this frame (it will be filtered in next iteration) */
if ((x < width - 1) &&
(s->all_fragments[fragment + 1].coding_method == MODE_COPY)) {
- s->dsp.vp3_h_loop_filter(
+ s->vp3dsp.h_loop_filter(
plane_data + 8*x + 8,
stride, bounding_values);
}
* in this frame (it will be filtered in the next row) */
if ((y < height - 1) &&
(s->all_fragments[fragment + width].coding_method == MODE_COPY)) {
- s->dsp.vp3_v_loop_filter(
+ s->vp3dsp.v_loop_filter(
plane_data + 8*x + 8*stride,
stride, bounding_values);
}
* for the next block in coding order
*/
static inline int vp3_dequant(Vp3DecodeContext *s, Vp3Fragment *frag,
- int plane, int inter, DCTELEM block[64])
+ int plane, int inter, int16_t block[64])
{
int16_t *dequantizer = s->qmat[frag->qpi][inter][plane];
- uint8_t *perm = s->scantable.permutated;
+ uint8_t *perm = s->idct_scantable;
int i = 0;
do {
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_PTHREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) {
+ 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.
}
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;
+ offset[0] = s->current_frame.f->linesize[0]*y;
+ offset[1] = s->current_frame.f->linesize[1]*cy;
+ offset[2] = s->current_frame.f->linesize[2]*cy;
+ 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->avctx->draw_horiz_band(s->avctx, s->current_frame.f, offset, y, 3, h);
}
/**
*/
static void await_reference_row(Vp3DecodeContext *s, Vp3Fragment *fragment, int motion_y, int y)
{
- AVFrame *ref_frame;
+ ThreadFrame *ref_frame;
int ref_row;
int border = motion_y&1;
static void render_slice(Vp3DecodeContext *s, int slice)
{
int x, y, i, j, fragment;
- LOCAL_ALIGNED_16(DCTELEM, block, [64]);
+ int16_t *block = s->block;
int motion_x = 0xdeadbeef, motion_y = 0xdeadbeef;
int motion_halfpel_index;
uint8_t *motion_source;
return;
for (plane = 0; plane < 3; plane++) {
- uint8_t *output_plane = s->current_frame.data [plane] + s->data_offset[plane];
- uint8_t * last_plane = s-> last_frame.data [plane] + s->data_offset[plane];
- uint8_t *golden_plane = s-> golden_frame.data [plane] + s->data_offset[plane];
- int stride = s->current_frame.linesize[plane];
+ uint8_t *output_plane = s->current_frame.f->data [plane] + s->data_offset[plane];
+ uint8_t * last_plane = s-> last_frame.f->data [plane] + s->data_offset[plane];
+ uint8_t *golden_plane = s-> golden_frame.f->data [plane] + s->data_offset[plane];
+ ptrdiff_t stride = s->current_frame.f->linesize[plane];
int plane_width = s->width >> (plane && s->chroma_x_shift);
int plane_height = s->height >> (plane && s->chroma_y_shift);
int8_t (*motion_val)[2] = s->motion_val[!!plane];
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_PTHREADS && (s->avctx->active_thread_type&FF_THREAD_FRAME);
+ 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++) {
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;
- s->dsp.emulated_edge_mc(temp, motion_source, stride, 9, 9, src_x, src_y, plane_width, plane_height);
+ s->vdsp.emulated_edge_mc(temp, motion_source,
+ stride, stride,
+ 9, 9, src_x, src_y,
+ plane_width,
+ plane_height);
motion_source= temp;
}
}
VP3 source but this would be slower as
put_no_rnd_pixels_tab is better optimzed */
if(motion_halfpel_index != 3){
- s->dsp.put_no_rnd_pixels_tab[1][motion_halfpel_index](
+ s->hdsp.put_no_rnd_pixels_tab[1][motion_halfpel_index](
output_plane + first_pixel,
motion_source, stride, 8);
}else{
int d= (motion_x ^ motion_y)>>31; // d is 0 if motion_x and _y have the same sign, else -1
- s->dsp.put_no_rnd_pixels_l2[1](
+ s->vp3dsp.put_no_rnd_pixels_l2(
output_plane + first_pixel,
motion_source - d,
motion_source + stride + 1 + d,
}
}
- s->dsp.clear_block(block);
-
/* invert DCT and place (or add) in final output */
if (s->all_fragments[i].coding_method == MODE_INTRA) {
- vp3_dequant(s, s->all_fragments + i, plane, 0, block);
- if(s->avctx->idct_algo!=FF_IDCT_VP3)
- block[0] += 128<<3;
- s->dsp.idct_put(
+ int index;
+ index = vp3_dequant(s, s->all_fragments + i, plane, 0, block);
+ if (index > 63)
+ continue;
+ s->vp3dsp.idct_put(
output_plane + first_pixel,
stride,
block);
} else {
- if (vp3_dequant(s, s->all_fragments + i, plane, 1, block)) {
- s->dsp.idct_add(
+ int index = vp3_dequant(s, s->all_fragments + i, plane, 1, block);
+ if (index > 63)
+ continue;
+ if (index > 0) {
+ s->vp3dsp.idct_add(
output_plane + first_pixel,
stride,
block);
} else {
- s->dsp.vp3_idct_dc_add(output_plane + first_pixel, stride, block);
+ s->vp3dsp.idct_dc_add(output_plane + first_pixel, stride, block);
}
}
} else {
/* copy directly from the previous frame */
- s->dsp.put_pixels_tab[1][0](
+ s->hdsp.put_pixels_tab[1][0](
output_plane + first_pixel,
last_plane + first_pixel,
stride, 8);
return 0;
}
-/*
- * This is the ffmpeg/libavcodec API init function.
- */
+static av_cold int init_frames(Vp3DecodeContext *s)
+{
+ s->current_frame.f = av_frame_alloc();
+ s->last_frame.f = av_frame_alloc();
+ s->golden_frame.f = av_frame_alloc();
+
+ if (!s->current_frame.f || !s->last_frame.f || !s->golden_frame.f) {
+ av_frame_free(&s->current_frame.f);
+ av_frame_free(&s->last_frame.f);
+ av_frame_free(&s->golden_frame.f);
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
+}
+
static av_cold int vp3_decode_init(AVCodecContext *avctx)
{
Vp3DecodeContext *s = avctx->priv_data;
- int i, inter, plane;
+ int i, inter, plane, ret;
int c_width;
int c_height;
int y_fragment_count, c_fragment_count;
+ ret = init_frames(s);
+ if (ret < 0)
+ return ret;
+
+ avctx->internal->allocate_progress = 1;
+
if (avctx->codec_tag == MKTAG('V','P','3','0'))
s->version = 0;
else
s->avctx = avctx;
s->width = FFALIGN(avctx->width, 16);
s->height = FFALIGN(avctx->height, 16);
- if (avctx->pix_fmt == PIX_FMT_NONE)
- avctx->pix_fmt = PIX_FMT_YUV420P;
+ if (avctx->pix_fmt == AV_PIX_FMT_NONE)
+ avctx->pix_fmt = AV_PIX_FMT_YUV420P;
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_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct);
+ ff_hpeldsp_init(&s->hdsp, avctx->flags | CODEC_FLAG_BITEXACT);
+ ff_videodsp_init(&s->vdsp, 8);
+ ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
+
+ for (i = 0; i < 64; i++) {
+#define T(x) (x >> 3) | ((x & 7) << 3)
+ s->idct_permutation[i] = T(i);
+ s->idct_scantable[i] = T(ff_zigzag_direct[i]);
+#undef T
+ }
/* initialize to an impossible value which will force a recalculation
* in the first frame decode */
for (i = 0; i < 3; i++)
s->qps[i] = -1;
- avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_x_shift, &s->chroma_y_shift);
+ av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_x_shift,
+ &s->chroma_y_shift);
s->y_superblock_width = (s->width + 31) / 32;
s->y_superblock_height = (s->height + 31) / 32;
&motion_vector_vlc_table[0][1], 2, 1,
&motion_vector_vlc_table[0][0], 2, 1, 0);
- 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 allocate_tables(avctx);
vlc_fail:
}
/// Release and shuffle frames after decode finishes
-static void update_frames(AVCodecContext *avctx)
+static int update_frames(AVCodecContext *avctx)
{
Vp3DecodeContext *s = avctx->priv_data;
+ int ret = 0;
- /* 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;
+ ff_thread_release_buffer(avctx, &s->last_frame);
+ ret = ff_thread_ref_frame(&s->last_frame, &s->current_frame);
+ if (ret < 0)
+ goto fail;
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;
+ ff_thread_release_buffer(avctx, &s->golden_frame);
+ ret = ff_thread_ref_frame(&s->golden_frame, &s->current_frame);
}
- s->current_frame.data[0]= NULL; /* ensure that we catch any access to this released frame */
+fail:
+ ff_thread_release_buffer(avctx, &s->current_frame);
+ return ret;
+}
+
+static int ref_frame(Vp3DecodeContext *s, ThreadFrame *dst, ThreadFrame *src)
+{
+ ff_thread_release_buffer(s->avctx, dst);
+ if (src->f->data[0])
+ return ff_thread_ref_frame(dst, src);
+ return 0;
+}
+
+static int ref_frames(Vp3DecodeContext *dst, Vp3DecodeContext *src)
+{
+ int ret;
+ if ((ret = ref_frame(dst, &dst->current_frame, &src->current_frame)) < 0 ||
+ (ret = ref_frame(dst, &dst->golden_frame, &src->golden_frame)) < 0 ||
+ (ret = ref_frame(dst, &dst->last_frame, &src->last_frame)) < 0)
+ return ret;
+ return 0;
}
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;
- if (!s1->current_frame.data[0]
+#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.f->data[0]
||s->width != s1->width
- ||s->height!= s1->height)
+ ||s->height!= s1->height) {
+ if (s != s1)
+ ref_frames(s, s1);
return -1;
+ }
if (s != s1) {
// init tables if the first frame hasn't been decoded
- if (!s->current_frame.data[0]) {
+ if (!s->current_frame.f->data[0]) {
int y_fragment_count, c_fragment_count;
s->avctx = dst;
err = allocate_tables(dst);
memcpy(s->motion_val[1], s1->motion_val[1], c_fragment_count * sizeof(*s->motion_val[1]));
}
-#define copy_fields(to, from, start_field, end_field) memcpy(&to->start_field, &from->start_field, (char*)&to->end_field - (char*)&to->start_field)
-
// copy previous frame data
- copy_fields(s, s1, golden_frame, dsp);
+ if ((err = ref_frames(s, s1)) < 0)
+ return err;
+
+ s->keyframe = s1->keyframe;
// copy qscale data if necessary
for (i = 0; i < 3; i++) {
}
}
- if (s->qps[0] != s1->qps[0]) {
- memcpy(&s->qscale_table, &s1->qscale_table, sizeof(s->qscale_table));
+ 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;
+ return update_frames(dst);
}
-/*
- * This is the ffmpeg/libavcodec API frame decode function.
- */
static int vp3_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Vp3DecodeContext *s = avctx->priv_data;
GetBitContext gb;
- int i;
+ int i, ret;
init_get_bits(&gb, buf, buf_size * 8);
if (avctx->skip_frame >= AVDISCARD_NONKEY && !s->keyframe)
return buf_size;
- s->current_frame.reference = 3;
- s->current_frame.pict_type = s->keyframe ? FF_I_TYPE : FF_P_TYPE;
- if (ff_thread_get_buffer(avctx, &s->current_frame) < 0) {
+ s->current_frame.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
+ if (ff_thread_get_buffer(avctx, &s->current_frame, AV_GET_BUFFER_FLAG_REF) < 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.f->linesize[0]));
+
if (s->keyframe) {
if (!s->theora)
{
skip_bits(&gb, 2); /* reserved? */
}
} else {
- if (!s->golden_frame.data[0]) {
+ if (!s->golden_frame.f->data[0]) {
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 (ff_thread_get_buffer(avctx, &s->golden_frame) < 0) {
+ s->golden_frame.f->pict_type = AV_PICTURE_TYPE_I;
+ if (ff_thread_get_buffer(avctx, &s->golden_frame, AV_GET_BUFFER_FLAG_REF) < 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_release_buffer(avctx, &s->last_frame);
+ if ((ret = ff_thread_ref_frame(&s->last_frame, &s->golden_frame)) < 0)
+ goto error;
+ 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 (s->flipped_image)
s->data_offset[i] = 0;
else
- s->data_offset[i] = (height-1) * s->current_frame.linesize[i];
+ s->data_offset[i] = (height-1) * s->current_frame.f->linesize[i];
}
s->last_slice_end = 0;
}
vp3_draw_horiz_band(s, s->avctx->height);
- *data_size=sizeof(AVFrame);
- *(AVFrame*)data= s->current_frame;
+ if ((ret = av_frame_ref(data, s->current_frame.f)) < 0)
+ return ret;
+ *got_frame = 1;
- if (!HAVE_PTHREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME))
- update_frames(avctx);
+ if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME)) {
+ ret = update_frames(avctx);
+ if (ret < 0)
+ return ret;
+ }
return buf_size;
error:
ff_thread_report_progress(&s->current_frame, INT_MAX, 0);
- if (!HAVE_PTHREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME))
- avctx->release_buffer(avctx, &s->current_frame);
+ if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME))
+ av_frame_unref(s->current_frame.f);
return -1;
}
-/*
- * 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;
-
- if (avctx->is_copy && !s->current_frame.data[0])
- return 0;
-
- 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]);
-
- if (avctx->is_copy) return 0;
-
- 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])
- ff_thread_release_buffer(avctx, &s->golden_frame);
- if (s->last_frame.data[0] && s->last_frame.type != FF_BUFFER_TYPE_COPY)
- ff_thread_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 */
-
- return 0;
-}
-
static int read_huffman_tree(AVCodecContext *avctx, GetBitContext *gb)
{
Vp3DecodeContext *s = avctx->priv_data;
return -1;
}
token = get_bits(gb, 5);
- //av_log(avctx, AV_LOG_DEBUG, "hti %d hbits %x token %d entry : %d size %d\n", s->hti, s->hbits, token, s->entries, s->huff_code_size);
+ av_dlog(avctx, "hti %d hbits %x token %d entry : %d size %d\n",
+ s->hti, s->hbits, token, s->entries, s->huff_code_size);
s->huffman_table[s->hti][token][0] = s->hbits;
s->huffman_table[s->hti][token][1] = s->huff_code_size;
s->entries++;
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 init_frames(s);
+}
+
#if CONFIG_THEORA_DECODER
-static const enum PixelFormat theora_pix_fmts[4] = {
- PIX_FMT_YUV420P, PIX_FMT_NONE, PIX_FMT_YUV422P, PIX_FMT_YUV444P
+static const enum AVPixelFormat theora_pix_fmts[4] = {
+ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P
};
static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
Vp3DecodeContext *s = avctx->priv_data;
int visible_width, visible_height, colorspace;
int offset_x = 0, offset_y = 0;
+ int ret;
AVRational fps, aspect;
s->theora = get_bits_long(gb, 24);
visible_width = s->width = get_bits(gb, 16) << 4;
visible_height = s->height = get_bits(gb, 16) << 4;
- 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;
- }
-
if (s->theora >= 0x030200) {
visible_width = get_bits_long(gb, 24);
visible_height = get_bits_long(gb, 24);
fps.num = get_bits_long(gb, 32);
fps.den = get_bits_long(gb, 32);
if (fps.num && fps.den) {
+ if (fps.num < 0 || fps.den < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid framerate\n");
+ return AVERROR_INVALIDDATA;
+ }
av_reduce(&avctx->time_base.num, &avctx->time_base.den,
fps.den, fps.num, 1<<30);
}
if ( visible_width <= s->width && visible_width > s->width-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);
+ ret = ff_set_dimensions(avctx, visible_width, visible_height);
else
- avcodec_set_dimensions(avctx, s->width, s->height);
+ ret = ff_set_dimensions(avctx, s->width, s->height);
+ if (ret < 0)
+ return ret;
if (colorspace == 1) {
avctx->color_primaries = AVCOL_PRI_BT470M;
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;
}
for(i=0;i<3;i++) {
+ if (header_len[i] <= 0)
+ continue;
init_get_bits(&gb, header_start[i], header_len[i] * 8);
ptype = get_bits(&gb, 8);
}
AVCodec ff_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 | CODEC_CAP_FRAME_THREADS,
- NULL,
- .long_name = NULL_IF_CONFIG_SMALL("Theora"),
+ .name = "theora",
+ .long_name = NULL_IF_CONFIG_SMALL("Theora"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_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,
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(vp3_init_thread_copy),
.update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context)
};
#endif
AVCodec ff_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 | CODEC_CAP_FRAME_THREADS,
- NULL,
- .long_name = NULL_IF_CONFIG_SMALL("On2 VP3"),
- .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context)
+ .name = "vp3",
+ .long_name = NULL_IF_CONFIG_SMALL("On2 VP3"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_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,
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(vp3_init_thread_copy),
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context),
};