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Diffstat (limited to 'chromium/third_party/ffmpeg/libavcodec/svq3.c')
-rw-r--r--chromium/third_party/ffmpeg/libavcodec/svq3.c107
1 files changed, 65 insertions, 42 deletions
diff --git a/chromium/third_party/ffmpeg/libavcodec/svq3.c b/chromium/third_party/ffmpeg/libavcodec/svq3.c
index 189be48c368..97233b19d61 100644
--- a/chromium/third_party/ffmpeg/libavcodec/svq3.c
+++ b/chromium/third_party/ffmpeg/libavcodec/svq3.c
@@ -40,10 +40,12 @@
* http://samples.mplayerhq.hu/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov
*/
+#include <inttypes.h>
+
#include "libavutil/attributes.h"
#include "internal.h"
#include "avcodec.h"
-#include "mpegvideo.h"
+#include "mpegutils.h"
#include "h264.h"
#include "h264data.h" // FIXME FIXME FIXME
@@ -52,6 +54,7 @@
#include "golomb.h"
#include "hpeldsp.h"
#include "rectangle.h"
+#include "tpeldsp.h"
#include "vdpau_internal.h"
#if CONFIG_ZLIB
@@ -69,9 +72,10 @@
typedef struct {
H264Context h;
HpelDSPContext hdsp;
- Picture *cur_pic;
- Picture *next_pic;
- Picture *last_pic;
+ TpelDSPContext tdsp;
+ H264Picture *cur_pic;
+ H264Picture *next_pic;
+ H264Picture *last_pic;
int halfpel_flag;
int thirdpel_flag;
int unknown_flag;
@@ -158,6 +162,8 @@ static const uint32_t svq3_dequant_coeff[32] = {
61694, 68745, 77615, 89113, 100253, 109366, 126635, 141533
};
+static int svq3_decode_end(AVCodecContext *avctx);
+
void ff_svq3_luma_dc_dequant_idct_c(int16_t *output, int16_t *input, int qp)
{
const int qmul = svq3_dequant_coeff[qp];
@@ -296,8 +302,8 @@ static inline void svq3_mc_dir_part(SVQ3Context *s,
int mx, int my, int dxy,
int thirdpel, int dir, int avg)
{
- H264Context *h = &s->h;
- const Picture *pic = (dir == 0) ? s->last_pic : s->next_pic;
+ H264Context *h = &s->h;
+ const H264Picture *pic = (dir == 0) ? s->last_pic : s->next_pic;
uint8_t *src, *dest;
int i, emu = 0;
int blocksize = 2 - (width >> 3); // 16->0, 8->1, 4->2
@@ -324,9 +330,9 @@ static inline void svq3_mc_dir_part(SVQ3Context *s,
src = h->edge_emu_buffer;
}
if (thirdpel)
- (avg ? h->dsp.avg_tpel_pixels_tab
- : h->dsp.put_tpel_pixels_tab)[dxy](dest, src, h->linesize,
- width, height);
+ (avg ? s->tdsp.avg_tpel_pixels_tab
+ : s->tdsp.put_tpel_pixels_tab)[dxy](dest, src, h->linesize,
+ width, height);
else
(avg ? s->hdsp.avg_pixels_tab
: s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src, h->linesize,
@@ -352,10 +358,10 @@ static inline void svq3_mc_dir_part(SVQ3Context *s,
src = h->edge_emu_buffer;
}
if (thirdpel)
- (avg ? h->dsp.avg_tpel_pixels_tab
- : h->dsp.put_tpel_pixels_tab)[dxy](dest, src,
- h->uvlinesize,
- width, height);
+ (avg ? s->tdsp.avg_tpel_pixels_tab
+ : s->tdsp.put_tpel_pixels_tab)[dxy](dest, src,
+ h->uvlinesize,
+ width, height);
else
(avg ? s->hdsp.avg_pixels_tab
: s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src,
@@ -619,7 +625,8 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
vlc = svq3_get_ue_golomb(&h->gb);
if (vlc >= 25U) {
- av_log(h->avctx, AV_LOG_ERROR, "luma prediction:%d\n", vlc);
+ av_log(h->avctx, AV_LOG_ERROR,
+ "luma prediction:%"PRIu32"\n", vlc);
return -1;
}
@@ -688,7 +695,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if (!IS_INTRA16x16(mb_type) &&
(!IS_SKIP(mb_type) || h->pict_type == AV_PICTURE_TYPE_B)) {
if ((vlc = svq3_get_ue_golomb(&h->gb)) >= 48U){
- av_log(h->avctx, AV_LOG_ERROR, "cbp_vlc=%d\n", vlc);
+ av_log(h->avctx, AV_LOG_ERROR, "cbp_vlc=%"PRIu32"\n", vlc);
return -1;
}
@@ -810,7 +817,7 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
}
if ((slice_id = svq3_get_ue_golomb(&h->gb)) >= 3) {
- av_log(h->avctx, AV_LOG_ERROR, "illegal slice type %d \n", slice_id);
+ av_log(h->avctx, AV_LOG_ERROR, "illegal slice type %u \n", slice_id);
return -1;
}
@@ -868,26 +875,28 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
unsigned char *extradata_end;
unsigned int size;
int marker_found = 0;
+ int ret;
s->cur_pic = av_mallocz(sizeof(*s->cur_pic));
s->last_pic = av_mallocz(sizeof(*s->last_pic));
s->next_pic = av_mallocz(sizeof(*s->next_pic));
if (!s->next_pic || !s->last_pic || !s->cur_pic) {
- av_freep(&s->cur_pic);
- av_freep(&s->last_pic);
- av_freep(&s->next_pic);
- return AVERROR(ENOMEM);
+ ret = AVERROR(ENOMEM);
+ goto fail;
}
- if (ff_h264_decode_init(avctx) < 0)
- return -1;
+ if ((ret = ff_h264_decode_init(avctx)) < 0)
+ goto fail;
ff_hpeldsp_init(&s->hdsp, avctx->flags);
+ ff_tpeldsp_init(&s->tdsp);
+
h->flags = avctx->flags;
h->is_complex = 1;
h->sps.chroma_format_idc = 1;
h->picture_structure = PICT_FRAME;
- avctx->pix_fmt = avctx->codec->pix_fmts[0];
+ avctx->pix_fmt = AV_PIX_FMT_YUVJ420P;
+ avctx->color_range = AVCOL_RANGE_JPEG;
h->chroma_qp[0] = h->chroma_qp[1] = 4;
h->chroma_x_shift = h->chroma_y_shift = 1;
@@ -915,8 +924,10 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
int frame_size_code;
size = AV_RB32(&extradata[4]);
- if (size > extradata_end - extradata - 8)
- return AVERROR_INVALIDDATA;
+ if (size > extradata_end - extradata - 8) {
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
init_get_bits(&gb, extradata + 8, size * 8);
/* 'frame size code' and optional 'width, height' */
@@ -970,8 +981,10 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
/* unknown field */
skip_bits1(&gb);
- if (skip_1stop_8data_bits(&gb) < 0)
- return AVERROR_INVALIDDATA;
+ if (skip_1stop_8data_bits(&gb) < 0) {
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
s->unknown_flag = get_bits1(&gb);
avctx->has_b_frames = !h->low_delay;
@@ -989,11 +1002,13 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
uint8_t *buf;
if (watermark_height <= 0 ||
- (uint64_t)watermark_width * 4 > UINT_MAX / watermark_height)
- return -1;
+ (uint64_t)watermark_width * 4 > UINT_MAX / watermark_height) {
+ ret = -1;
+ goto fail;
+ }
buf = av_malloc(buf_len);
- av_log(avctx, AV_LOG_DEBUG, "watermark size: %dx%d\n",
+ av_log(avctx, AV_LOG_DEBUG, "watermark size: %ux%u\n",
watermark_width, watermark_height);
av_log(avctx, AV_LOG_DEBUG,
"u1: %x u2: %x u3: %x compressed data size: %d offset: %d\n",
@@ -1003,17 +1018,19 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR,
"could not uncompress watermark logo\n");
av_free(buf);
- return -1;
+ ret = -1;
+ goto fail;
}
s->watermark_key = ff_svq1_packet_checksum(buf, buf_len, 0);
s->watermark_key = s->watermark_key << 16 | s->watermark_key;
av_log(avctx, AV_LOG_DEBUG,
- "watermark key %#x\n", s->watermark_key);
+ "watermark key %#"PRIx32"\n", s->watermark_key);
av_free(buf);
#else
av_log(avctx, AV_LOG_ERROR,
"this svq3 file contains watermark which need zlib support compiled in\n");
- return -1;
+ ret = -1;
+ goto fail;
#endif
}
}
@@ -1028,15 +1045,18 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
s->h_edge_pos = h->mb_width * 16;
s->v_edge_pos = h->mb_height * 16;
- if (ff_h264_alloc_tables(h) < 0) {
+ if ((ret = ff_h264_alloc_tables(h)) < 0) {
av_log(avctx, AV_LOG_ERROR, "svq3 memory allocation failed\n");
- return AVERROR(ENOMEM);
+ goto fail;
}
return 0;
+fail:
+ svq3_decode_end(avctx);
+ return ret;
}
-static void free_picture(AVCodecContext *avctx, Picture *pic)
+static void free_picture(AVCodecContext *avctx, H264Picture *pic)
{
int i;
for (i = 0; i < 2; i++) {
@@ -1048,7 +1068,7 @@ static void free_picture(AVCodecContext *avctx, Picture *pic)
av_frame_unref(&pic->f);
}
-static int get_buffer(AVCodecContext *avctx, Picture *pic)
+static int get_buffer(AVCodecContext *avctx, H264Picture *pic)
{
SVQ3Context *s = avctx->priv_data;
H264Context *h = &s->h;
@@ -1142,7 +1162,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
h->pict_type = h->slice_type;
if (h->pict_type != AV_PICTURE_TYPE_B)
- FFSWAP(Picture*, s->next_pic, s->last_pic);
+ FFSWAP(H264Picture*, s->next_pic, s->last_pic);
av_frame_unref(&s->cur_pic->f);
@@ -1175,6 +1195,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
if (h->pict_type != AV_PICTURE_TYPE_I) {
if (!s->last_pic->f.data[0]) {
av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\n");
+ av_frame_unref(&s->last_pic->f);
ret = get_buffer(avctx, s->last_pic);
if (ret < 0)
return ret;
@@ -1187,6 +1208,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
if (h->pict_type == AV_PICTURE_TYPE_B && !s->next_pic->f.data[0]) {
av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\n");
+ av_frame_unref(&s->next_pic->f);
ret = get_buffer(avctx, s->next_pic);
if (ret < 0)
return ret;
@@ -1284,9 +1306,10 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
(h->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;
}
- ff_draw_horiz_band(avctx, NULL, s->cur_pic, s->last_pic->f.data[0] ? s->last_pic : NULL,
- 16 * h->mb_y, 16, h->picture_structure, 0, 0,
- h->low_delay, h->mb_height * 16, h->mb_width * 16);
+ ff_draw_horiz_band(avctx, &s->cur_pic->f,
+ s->last_pic->f.data[0] ? &s->last_pic->f : NULL,
+ 16 * h->mb_y, 16, h->picture_structure, 0,
+ h->low_delay);
}
left = buf_size*8 - get_bits_count(&h->gb);
@@ -1313,7 +1336,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
*got_frame = 1;
if (h->pict_type != AV_PICTURE_TYPE_B) {
- FFSWAP(Picture*, s->cur_pic, s->next_pic);
+ FFSWAP(H264Picture*, s->cur_pic, s->next_pic);
} else {
av_frame_unref(&s->cur_pic->f);
}