#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);
-static void vp3_decode_flush(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;
int flipped_image;
int last_slice_end;
int skip_loop_filter;
* 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,
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));
{
/* 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);
}
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;
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);
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;
}
}
/* 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;
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_THREADS || !(s->avctx->active_thread_type&FF_THREAD_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;
-
- 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 */
- vp3_decode_flush(avctx);
-
- 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 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);
-}
-
-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;
-}
-
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"),
+ .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)
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(vp3_update_thread_context),
};
projects / ffmpeg / blobdiff