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avcodec/tiff: use av_packet_alloc() to allocate AVPackets 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-01-28 23:10:06 -03:00
parent 6ef104cb5f
commit fc2e022a14
1 changed files with 8 additions and 6 deletions
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14
libavcodec/tiff.c
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@ -58,6 +58,7 @@ typedef struct TiffContext {
/* JPEG decoding for DNG */
AVCodecContext *avctx_mjpeg; // wrapper context for MJPEG
AVPacket *jpkt; // encoded JPEG tile
AVFrame *jpgframe; // decoded JPEG tile
int get_subimage;
@ -877,7 +878,6 @@ static int dng_decode_jpeg(AVCodecContext *avctx, AVFrame *frame,
int tile_byte_count, int dst_x, int dst_y, int w, int h)
{
TiffContext *s = avctx->priv_data;
AVPacket jpkt;
uint8_t *dst_data, *src_data;
uint32_t dst_offset; /* offset from dst buffer in pixels */
int is_single_comp, is_u16, pixel_size;
@ -887,9 +887,9 @@ static int dng_decode_jpeg(AVCodecContext *avctx, AVFrame *frame,
return AVERROR_INVALIDDATA;
/* Prepare a packet and send to the MJPEG decoder */
av_init_packet(&jpkt);
jpkt.data = (uint8_t*)s->gb.buffer;
jpkt.size = tile_byte_count;
av_packet_unref(s->jpkt);
s->jpkt->data = (uint8_t*)s->gb.buffer;
s->jpkt->size = tile_byte_count;
if (s->is_bayer) {
MJpegDecodeContext *mjpegdecctx = s->avctx_mjpeg->priv_data;
@ -898,7 +898,7 @@ static int dng_decode_jpeg(AVCodecContext *avctx, AVFrame *frame,
mjpegdecctx->bayer = 1;
}
ret = avcodec_send_packet(s->avctx_mjpeg, &jpkt);
ret = avcodec_send_packet(s->avctx_mjpeg, s->jpkt);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error submitting a packet for decoding\n");
return ret;
@ -2158,7 +2158,8 @@ static av_cold int tiff_init(AVCodecContext *avctx)
/* Allocate JPEG frame */
s->jpgframe = av_frame_alloc();
if (!s->jpgframe)
s->jpkt = av_packet_alloc();
if (!s->jpgframe || !s->jpkt)
return AVERROR(ENOMEM);
/* Prepare everything needed for JPEG decoding */
@ -2194,6 +2195,7 @@ static av_cold int tiff_end(AVCodecContext *avctx)
av_freep(&s->fax_buffer);
s->fax_buffer_size = 0;
av_frame_free(&s->jpgframe);
av_packet_free(&s->jpkt);
avcodec_free_context(&s->avctx_mjpeg);
return 0;
}