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svq1enc: use the AVFrame API properly.

tags/n2.2-rc1
Anton Khirnov 12 years ago
parent
219b35f5d1
commit
394ef4d18f
1 changed files with 58 additions and 53 deletions
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  1. +58
    -53
      libavcodec/svq1enc.c

+ 58
- 53
libavcodec/svq1enc.c View File

@@ -46,9 +46,8 @@ typedef struct SVQ1Context {
AVCodecContext *avctx;
DSPContext dsp;
HpelDSPContext hdsp;
AVFrame picture;
AVFrame current_picture;
AVFrame last_picture;
AVFrame *current_picture;
AVFrame *last_picture;
PutBitContext pb;
GetBitContext gb;

@@ -265,13 +264,14 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
unsigned char *decoded_plane,
int width, int height, int src_stride, int stride)
{
const AVFrame *f = s->avctx->coded_frame;
int x, y;
int i;
int block_width, block_height;
int level;
int threshold[6];
uint8_t *src = s->scratchbuf + stride * 16;
const int lambda = (s->picture.quality * s->picture.quality) >>
const int lambda = (f->quality * f->quality) >>
(2 * FF_LAMBDA_SHIFT);

/* figure out the acceptable level thresholds in advance */
@@ -282,7 +282,7 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
block_width = (width + 15) / 16;
block_height = (height + 15) / 16;

if (s->picture.pict_type == AV_PICTURE_TYPE_P) {
if (f->pict_type == AV_PICTURE_TYPE_P) {
s->m.avctx = s->avctx;
s->m.current_picture_ptr = &s->m.current_picture;
s->m.last_picture_ptr = &s->m.last_picture;
@@ -298,13 +298,13 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
s->m.mb_stride = s->m.mb_width + 1;
s->m.b8_stride = 2 * s->m.mb_width + 1;
s->m.f_code = 1;
s->m.pict_type = s->picture.pict_type;
s->m.pict_type = f->pict_type;
s->m.me_method = s->avctx->me_method;
s->m.me.scene_change_score = 0;
s->m.flags = s->avctx->flags;
// s->m.out_format = FMT_H263;
// s->m.unrestricted_mv = 1;
s->m.lambda = s->picture.quality;
s->m.lambda = f->quality;
s->m.qscale = s->m.lambda * 139 +
FF_LAMBDA_SCALE * 64 >>
FF_LAMBDA_SHIFT + 7;
@@ -397,13 +397,13 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
ff_init_block_index(&s->m);
ff_update_block_index(&s->m);

if (s->picture.pict_type == AV_PICTURE_TYPE_I ||
if (f->pict_type == AV_PICTURE_TYPE_I ||
(s->m.mb_type[x + y * s->m.mb_stride] &
CANDIDATE_MB_TYPE_INTRA)) {
for (i = 0; i < 6; i++)
init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i],
7 * 32);
if (s->picture.pict_type == AV_PICTURE_TYPE_P) {
if (f->pict_type == AV_PICTURE_TYPE_P) {
const uint8_t *vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_INTRA];
put_bits(&s->reorder_pb[5], vlc[1], vlc[0]);
score[0] = vlc[1] * lambda;
@@ -419,7 +419,7 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,

best = 0;

if (s->picture.pict_type == AV_PICTURE_TYPE_P) {
if (f->pict_type == AV_PICTURE_TYPE_P) {
const uint8_t *vlc = ff_svq1_block_type_vlc[SVQ1_BLOCK_INTER];
int mx, my, pred_x, pred_y, dxy;
int16_t *motion_ptr;
@@ -499,13 +499,48 @@ static int svq1_encode_plane(SVQ1Context *s, int plane,
return 0;
}

static av_cold int svq1_encode_end(AVCodecContext *avctx)
{
SVQ1Context *const s = avctx->priv_data;
int i;

av_log(avctx, AV_LOG_DEBUG, "RD: %f\n",
s->rd_total / (double)(avctx->width * avctx->height *
avctx->frame_number));

av_freep(&s->m.me.scratchpad);
av_freep(&s->m.me.map);
av_freep(&s->m.me.score_map);
av_freep(&s->mb_type);
av_freep(&s->dummy);
av_freep(&s->scratchbuf);

for (i = 0; i < 3; i++) {
av_freep(&s->motion_val8[i]);
av_freep(&s->motion_val16[i]);
}

av_frame_free(&s->current_picture);
av_frame_free(&s->last_picture);
av_frame_free(&avctx->coded_frame);

return 0;
}

static av_cold int svq1_encode_init(AVCodecContext *avctx)
{
SVQ1Context *const s = avctx->priv_data;

ff_dsputil_init(&s->dsp, avctx);
ff_hpeldsp_init(&s->hdsp, avctx->flags);
avctx->coded_frame = &s->picture;

avctx->coded_frame = av_frame_alloc();
s->current_picture = av_frame_alloc();
s->last_picture = av_frame_alloc();
if (!avctx->coded_frame || !s->current_picture || !s->last_picture) {
svq1_encode_end(avctx);
return AVERROR(ENOMEM);
}

s->frame_width = avctx->width;
s->frame_height = avctx->height;
@@ -537,8 +572,7 @@ static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
SVQ1Context *const s = avctx->priv_data;
AVFrame *const p = &s->picture;
AVFrame temp;
AVFrame *const p = avctx->coded_frame;
int i, ret;

if (!pkt->data &&
@@ -553,33 +587,31 @@ static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
return -1;
}

if (!s->current_picture.data[0]) {
ff_get_buffer(avctx, &s->current_picture, 0);
ff_get_buffer(avctx, &s->last_picture, 0);
s->scratchbuf = av_malloc(s->current_picture.linesize[0] * 16 * 2);
if (!s->current_picture->data[0]) {
ff_get_buffer(avctx, s->current_picture, 0);
ff_get_buffer(avctx, s->last_picture, 0);
s->scratchbuf = av_malloc(s->current_picture->linesize[0] * 16 * 2);
}

temp = s->current_picture;
s->current_picture = s->last_picture;
s->last_picture = temp;
FFSWAP(AVFrame*, s->current_picture, s->last_picture);

init_put_bits(&s->pb, pkt->data, pkt->size);

*p = *pict;
p->pict_type = avctx->gop_size && avctx->frame_number % avctx->gop_size ?
AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
p->key_frame = p->pict_type == AV_PICTURE_TYPE_I;
p->quality = pict->quality;

svq1_write_header(s, p->pict_type);
for (i = 0; i < 3; i++)
if (svq1_encode_plane(s, i,
s->picture.data[i],
s->last_picture.data[i],
s->current_picture.data[i],
pict->data[i],
s->last_picture->data[i],
s->current_picture->data[i],
s->frame_width / (i ? 4 : 1),
s->frame_height / (i ? 4 : 1),
s->picture.linesize[i],
s->current_picture.linesize[i]) < 0)
pict->linesize[i],
s->current_picture->linesize[i]) < 0)
return -1;

// avpriv_align_put_bits(&s->pb);
@@ -596,33 +628,6 @@ static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
return 0;
}

static av_cold int svq1_encode_end(AVCodecContext *avctx)
{
SVQ1Context *const s = avctx->priv_data;
int i;

av_log(avctx, AV_LOG_DEBUG, "RD: %f\n",
s->rd_total / (double)(avctx->width * avctx->height *
avctx->frame_number));

av_freep(&s->m.me.scratchpad);
av_freep(&s->m.me.map);
av_freep(&s->m.me.score_map);
av_freep(&s->mb_type);
av_freep(&s->dummy);
av_freep(&s->scratchbuf);

for (i = 0; i < 3; i++) {
av_freep(&s->motion_val8[i]);
av_freep(&s->motion_val16[i]);
}

av_frame_unref(&s->current_picture);
av_frame_unref(&s->last_picture);

return 0;
}

AVCodec ff_svq1_encoder = {
.name = "svq1",
.long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1"),


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