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bethsoftvid: use the AVFrame API properly.

This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent 33329c6e87
commit a83fd5010c
1 changed files with 15 additions and 11 deletions
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26
libavcodec/bethsoftvideo.c
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@ -34,7 +34,7 @@
#include "internal.h" #include "internal.h"
typedef struct BethsoftvidContext { typedef struct BethsoftvidContext {
AVFrame frame; AVFrame *frame;
GetByteContext g; GetByteContext g;
} BethsoftvidContext; } BethsoftvidContext;
@ -42,13 +42,17 @@ static av_cold int bethsoftvid_decode_init(AVCodecContext *avctx)
{ {
BethsoftvidContext *vid = avctx->priv_data; BethsoftvidContext *vid = avctx->priv_data;
avctx->pix_fmt = AV_PIX_FMT_PAL8; avctx->pix_fmt = AV_PIX_FMT_PAL8;
avcodec_get_frame_defaults(&vid->frame);
vid->frame = av_frame_alloc();
if (!vid->frame)
return AVERROR(ENOMEM);
return 0; return 0;
} }
static int set_palette(BethsoftvidContext *ctx) static int set_palette(BethsoftvidContext *ctx)
{ {
uint32_t *palette = (uint32_t *)ctx->frame.data[1]; uint32_t *palette = (uint32_t *)ctx->frame->data[1];
int a; int a;
if (bytestream2_get_bytes_left(&ctx->g) < 256*3) if (bytestream2_get_bytes_left(&ctx->g) < 256*3)
@ -57,7 +61,7 @@ static int set_palette(BethsoftvidContext *ctx)
for(a = 0; a < 256; a++){ for(a = 0; a < 256; a++){
palette[a] = bytestream2_get_be24u(&ctx->g) * 4; palette[a] = bytestream2_get_be24u(&ctx->g) * 4;
} }
ctx->frame.palette_has_changed = 1; ctx->frame->palette_has_changed = 1;
return 0; return 0;
} }
@ -74,11 +78,11 @@ static int bethsoftvid_decode_frame(AVCodecContext *avctx,
int code, ret; int code, ret;
int yoffset; int yoffset;
if ((ret = ff_reget_buffer(avctx, &vid->frame)) < 0) { if ((ret = ff_reget_buffer(avctx, vid->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret; return ret;
} }
wrap_to_next_line = vid->frame.linesize[0] - avctx->width; wrap_to_next_line = vid->frame->linesize[0] - avctx->width;
if (avpkt->side_data_elems > 0 && if (avpkt->side_data_elems > 0 &&
avpkt->side_data[0].type == AV_PKT_DATA_PALETTE) { avpkt->side_data[0].type == AV_PKT_DATA_PALETTE) {
@ -89,8 +93,8 @@ static int bethsoftvid_decode_frame(AVCodecContext *avctx,
} }
bytestream2_init(&vid->g, avpkt->data, avpkt->size); bytestream2_init(&vid->g, avpkt->data, avpkt->size);
dst = vid->frame.data[0]; dst = vid->frame->data[0];
frame_end = vid->frame.data[0] + vid->frame.linesize[0] * avctx->height; frame_end = vid->frame->data[0] + vid->frame->linesize[0] * avctx->height;
switch(block_type = bytestream2_get_byte(&vid->g)){ switch(block_type = bytestream2_get_byte(&vid->g)){
case PALETTE_BLOCK: { case PALETTE_BLOCK: {
@ -105,7 +109,7 @@ static int bethsoftvid_decode_frame(AVCodecContext *avctx,
yoffset = bytestream2_get_le16(&vid->g); yoffset = bytestream2_get_le16(&vid->g);
if(yoffset >= avctx->height) if(yoffset >= avctx->height)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
dst += vid->frame.linesize[0] * yoffset; dst += vid->frame->linesize[0] * yoffset;
} }
// main code // main code
@ -135,7 +139,7 @@ static int bethsoftvid_decode_frame(AVCodecContext *avctx,
} }
end: end:
if ((ret = av_frame_ref(data, &vid->frame)) < 0) if ((ret = av_frame_ref(data, vid->frame)) < 0)
return ret; return ret;
*got_frame = 1; *got_frame = 1;
@ -146,7 +150,7 @@ static int bethsoftvid_decode_frame(AVCodecContext *avctx,
static av_cold int bethsoftvid_decode_end(AVCodecContext *avctx) static av_cold int bethsoftvid_decode_end(AVCodecContext *avctx)
{ {
BethsoftvidContext * vid = avctx->priv_data; BethsoftvidContext * vid = avctx->priv_data;
av_frame_unref(&vid->frame); av_frame_free(&vid->frame);
return 0; return 0;
} }