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avcodec/a64multienc: simplify frame handling code 

This also fixes a memleak

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-02-23 00:55:13 +01:00
parent 87513d6545
commit 4da351ff0c
1 changed files with 4 additions and 19 deletions
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23
libavcodec/a64multienc.c
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@ -65,7 +65,7 @@ static const int mc_colors[5]={0x0,0xb,0xc,0xf,0x1};
//static const int mc_colors[5]={0x0,0x8,0xa,0xf,0x7};
//static const int mc_colors[5]={0x0,0x9,0x8,0xa,0x3};
static void to_meta_with_crop(AVCodecContext *avctx, AVFrame *p, int *dest)
static void to_meta_with_crop(AVCodecContext *avctx, const AVFrame *p, int *dest)
{
int blockx, blocky, x, y;
int luma = 0;
@ -190,7 +190,6 @@ static void render_charset(AVCodecContext *avctx, uint8_t *charset,
static av_cold int a64multi_close_encoder(AVCodecContext *avctx)
{
A64Context *c = avctx->priv_data;
av_frame_free(&avctx->coded_frame);
av_freep(&c->mc_meta_charset);
av_freep(&c->mc_best_cb);
av_freep(&c->mc_charset);
@ -242,14 +241,6 @@ static av_cold int a64multi_encode_init(AVCodecContext *avctx)
AV_WB32(avctx->extradata, c->mc_lifetime);
AV_WB32(avctx->extradata + 16, INTERLACED);
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame) {
a64multi_close_encoder(avctx);
return AVERROR(ENOMEM);
}
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->coded_frame->key_frame = 1;
if (!avctx->codec_tag)
avctx->codec_tag = AV_RL32("a64m");
@ -274,10 +265,9 @@ static void a64_compress_colram(unsigned char *buf, int *charmap, uint8_t *colra
}
static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
const AVFrame *p, int *got_packet)
{
A64Context *c = avctx->priv_data;
AVFrame *const p = avctx->coded_frame;
int frame;
int x, y;
@ -308,7 +298,7 @@ static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
}
/* no data, means end encoding asap */
if (!pict) {
if (!p) {
/* all done, end encoding */
if (!c->mc_lifetime) return 0;
/* no more frames in queue, prepare to flush remaining frames */
@ -321,15 +311,10 @@ static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
} else {
/* fill up mc_meta_charset with data until lifetime exceeds */
if (c->mc_frame_counter < c->mc_lifetime) {
ret = av_frame_ref(p, pict);
if (ret < 0)
return ret;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
to_meta_with_crop(avctx, p, meta + 32000 * c->mc_frame_counter);
c->mc_frame_counter++;
if (c->next_pts == AV_NOPTS_VALUE)
c->next_pts = pict->pts;
c->next_pts = p->pts;
/* lifetime is not reached so wait for next frame first */
return 0;
}