@@ -53,6 +53,7 @@ typedef struct TDSCContext {
GetByteContext gbc;
AVFrame *refframe; // full decoded frame (without cursor)
+ AVPacket *jpkt; // encoded JPEG tile
AVFrame *jpgframe; // decoded JPEG tile
uint8_t *tilebuffer; // buffer containing tile data
@@ -80,6 +81,7 @@ static av_cold int tdsc_close(AVCodecContext *avctx)
av_frame_free(&ctx->refframe);
av_frame_free(&ctx->jpgframe);
+ av_packet_free(&ctx->jpkt);
av_freep(&ctx->deflatebuffer);
av_freep(&ctx->tilebuffer);
av_freep(&ctx->cursor);
@@ -111,7 +113,8 @@ static av_cold int tdsc_init(AVCodecContext *avctx)
/* Allocate reference and JPEG frame */
ctx->refframe = av_frame_alloc();
ctx->jpgframe = av_frame_alloc();
- if (!ctx->refframe || !ctx->jpgframe)
+ ctx->jpkt = av_packet_alloc();
+ if (!ctx->refframe || !ctx->jpgframe || !ctx->jpkt)
return AVERROR(ENOMEM);
/* Prepare everything needed for JPEG decoding */
@@ -342,15 +345,14 @@ static int tdsc_decode_jpeg_tile(AVCodecContext *avctx, int tile_size,
int x, int y, int w, int h)
{
TDSCContext *ctx = avctx->priv_data;
- AVPacket jpkt;
int ret;
/* Prepare a packet and send to the MJPEG decoder */
- av_init_packet(&jpkt);
- jpkt.data = ctx->tilebuffer;
- jpkt.size = tile_size;
+ av_packet_unref(ctx->jpkt);
+ ctx->jpkt->data = ctx->tilebuffer;
+ ctx->jpkt->size = tile_size;
- ret = avcodec_send_packet(ctx->jpeg_avctx, &jpkt);
+ ret = avcodec_send_packet(ctx->jpeg_avctx, ctx->jpkt);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error submitting a packet for decoding\n");
return ret;
Signed-off-by: James Almer <jamrial@gmail.com> --- libavcodec/tdsc.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-)