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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-13 21:28:01 +02:00

eatgv: use the AVFrame API properly.

This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent b18c7c8d3d
commit 97168b204a

View File

@ -40,7 +40,7 @@
typedef struct TgvContext { typedef struct TgvContext {
AVCodecContext *avctx; AVCodecContext *avctx;
AVFrame last_frame; AVFrame *last_frame;
uint8_t *frame_buffer; uint8_t *frame_buffer;
int width,height; int width,height;
uint32_t palette[AVPALETTE_COUNT]; uint32_t palette[AVPALETTE_COUNT];
@ -57,6 +57,11 @@ static av_cold int tgv_decode_init(AVCodecContext *avctx)
s->avctx = avctx; s->avctx = avctx;
avctx->time_base = (AVRational){1, 15}; avctx->time_base = (AVRational){1, 15};
avctx->pix_fmt = AV_PIX_FMT_PAL8; avctx->pix_fmt = AV_PIX_FMT_PAL8;
s->last_frame = av_frame_alloc();
if (!s->last_frame)
return AVERROR(ENOMEM);
return 0; return 0;
} }
@ -223,8 +228,8 @@ static int tgv_decode_inter(TgvContext *s, AVFrame *frame,
my < 0 || my + 4 > s->avctx->height) my < 0 || my + 4 > s->avctx->height)
continue; continue;
src = s->last_frame.data[0] + mx + my * s->last_frame.linesize[0]; src = s->last_frame->data[0] + mx + my * s->last_frame->linesize[0];
src_stride = s->last_frame.linesize[0]; src_stride = s->last_frame->linesize[0];
} else { } else {
int offset = vector - num_mvs; int offset = vector - num_mvs;
if (offset < num_blocks_raw) if (offset < num_blocks_raw)
@ -270,7 +275,7 @@ static int tgv_decode_frame(AVCodecContext *avctx,
s->height = AV_RL16(&buf[2]); s->height = AV_RL16(&buf[2]);
if (s->avctx->width != s->width || s->avctx->height != s->height) { if (s->avctx->width != s->width || s->avctx->height != s->height) {
av_freep(&s->frame_buffer); av_freep(&s->frame_buffer);
av_frame_unref(&s->last_frame); av_frame_unref(s->last_frame);
if ((ret = ff_set_dimensions(s->avctx, s->width, s->height)) < 0) if ((ret = ff_set_dimensions(s->avctx, s->width, s->height)) < 0)
return ret; return ret;
} }
@ -306,7 +311,7 @@ static int tgv_decode_frame(AVCodecContext *avctx,
s->frame_buffer + y * s->width, s->frame_buffer + y * s->width,
s->width); s->width);
} else { } else {
if (!s->last_frame.data[0]) { if (!s->last_frame->data[0]) {
av_log(avctx, AV_LOG_WARNING, "inter frame without corresponding intra frame\n"); av_log(avctx, AV_LOG_WARNING, "inter frame without corresponding intra frame\n");
return buf_size; return buf_size;
} }
@ -318,8 +323,8 @@ static int tgv_decode_frame(AVCodecContext *avctx,
} }
} }
av_frame_unref(&s->last_frame); av_frame_unref(s->last_frame);
if ((ret = av_frame_ref(&s->last_frame, frame)) < 0) if ((ret = av_frame_ref(s->last_frame, frame)) < 0)
return ret; return ret;
*got_frame = 1; *got_frame = 1;
@ -330,7 +335,7 @@ static int tgv_decode_frame(AVCodecContext *avctx,
static av_cold int tgv_decode_end(AVCodecContext *avctx) static av_cold int tgv_decode_end(AVCodecContext *avctx)
{ {
TgvContext *s = avctx->priv_data; TgvContext *s = avctx->priv_data;
av_frame_unref(&s->last_frame); av_frame_free(&s->last_frame);
av_freep(&s->frame_buffer); av_freep(&s->frame_buffer);
av_free(s->mv_codebook); av_free(s->mv_codebook);
av_free(s->block_codebook); av_free(s->block_codebook);