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pngenc: use the AVFrame API properly.

This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent 0ea430c75b
commit 78c6c9d6c1
1 changed files with 15 additions and 8 deletions
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23
libavcodec/pngenc.c
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@ -37,7 +37,6 @@ typedef struct PNGEncContext {
uint8_t *bytestream;
uint8_t *bytestream_start;
uint8_t *bytestream_end;
AVFrame picture;
int filter_type;
@ -231,7 +230,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
PNGEncContext *s = avctx->priv_data;
AVFrame * const p= &s->picture;
const AVFrame * const p = pict;
int bit_depth, color_type, y, len, row_size, ret, is_progressive;
int bits_per_pixel, pass_row_size, enc_row_size, max_packet_size;
int compression_level;
@ -241,10 +240,6 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
uint8_t *rgba_buf = NULL;
uint8_t *top_buf = NULL;
*p = *pict;
p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
is_progressive = !!(avctx->flags & CODEC_FLAG_INTERLACED_DCT);
switch(avctx->pix_fmt) {
case AV_PIX_FMT_RGB32:
@ -444,8 +439,13 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
static av_cold int png_enc_init(AVCodecContext *avctx){
PNGEncContext *s = avctx->priv_data;
avcodec_get_frame_defaults(&s->picture);
avctx->coded_frame= &s->picture;
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->coded_frame->key_frame = 1;
ff_dsputil_init(&s->dsp, avctx);
s->filter_type = av_clip(avctx->prediction_method, PNG_FILTER_VALUE_NONE, PNG_FILTER_VALUE_MIXED);
@ -455,6 +455,12 @@ static av_cold int png_enc_init(AVCodecContext *avctx){
return 0;
}
static av_cold int png_enc_close(AVCodecContext *avctx)
{
av_frame_free(&avctx->coded_frame);
return 0;
}
AVCodec ff_png_encoder = {
.name = "png",
.long_name = NULL_IF_CONFIG_SMALL("PNG (Portable Network Graphics) image"),
@ -462,6 +468,7 @@ AVCodec ff_png_encoder = {
.id = AV_CODEC_ID_PNG,
.priv_data_size = sizeof(PNGEncContext),
.init = png_enc_init,
.close = png_enc_close,
.encode2 = encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB32, AV_PIX_FMT_PAL8, AV_PIX_FMT_GRAY8,