#include "libavutil/imgutils.h"
#include "avcodec.h"
+#include "internal.h"
#include "dsputil.h"
#include "get_bits.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;
AVFrame current_frame;
int keyframe;
DSPContext dsp;
+ VideoDSPContext vdsp;
+ VP3DSPContext vp3dsp;
+ DECLARE_ALIGNED(16, int16_t, block)[64];
int flipped_image;
int last_slice_end;
int skip_loop_filter;
/* 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.
* 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_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);
+
+ 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,
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;
{
/* 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;
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.
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);
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;
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))
uint8_t *temp= s->edge_emu_buffer;
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, 9, 9, src_x, src_y, plane_width, plane_height);
motion_source= temp;
}
}
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 {
return 0;
}
-/*
- * This is the ffmpeg/libavcodec API init function.
- */
static av_cold int vp3_decode_init(AVCodecContext *avctx)
{
Vp3DecodeContext *s = avctx->priv_data;
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_dsputil_init(&s->dsp, avctx);
+ ff_videodsp_init(&s->vdsp, 8);
+ ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
+ ff_init_scantable_permutation(s->dsp.idct_permutation, s->vp3dsp.idct_perm);
ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct);
/* initialize to an impossible value which will force a recalculation
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;
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)
+ ||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
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);
return 0;
}
-/*
- * 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;
}
vp3_draw_horiz_band(s, s->avctx->height);
- *data_size=sizeof(AVFrame);
+ *got_frame = 1;
*(AVFrame*)data= s->current_frame;
- if (!HAVE_PTHREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME))
+ if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME))
update_frames(avctx);
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))
+ if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME))
avctx->release_buffer(avctx, &s->current_frame);
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]);
- av_free(s->edge_emu_buffer);
-
- 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 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
+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)
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);
return vp3_decode_init(avctx);
}
-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);
-}
-
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"),
+ .name = "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,
+ .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 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"),
- .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context)
+ .name = "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,
+ .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