/*
* GIF encoder.
- * Copyright (c) 2000 Fabrice Bellard.
- * Copyright (c) 2002 Francois Revol.
- * Copyright (c) 2006 Baptiste Coudurier.
+ * Copyright (c) 2000 Fabrice Bellard
+ * Copyright (c) 2002 Francois Revol
+ * Copyright (c) 2006 Baptiste Coudurier
*
- * This file is part of FFmpeg.
+ * first version by Francois Revol <revol@free.fr>
*
- * FFmpeg is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
- * First version by Francois Revol revol@free.fr
- *
* Features and limitations:
* - currently no compression is performed,
* in fact the size of the data is 9/8 the size of the image in 8bpp
#include "avcodec.h"
#include "bytestream.h"
-#include "bitstream.h"
-
-/* bitstream minipacket size */
-#define GIF_CHUNKS 100
-
-/* slows down the decoding (and some browsers don't like it) */
-/* update on the 'some browsers don't like it issue from above: this was probably due to missing 'Data Sub-block Terminator' (byte 19) in the app_header */
-#define GIF_ADD_APP_HEADER // required to enable looping of animated gif
-
-typedef struct {
- unsigned char r;
- unsigned char g;
- unsigned char b;
-} rgb_triplet;
-
-/* we use the standard 216 color palette */
-
-/* this script was used to create the palette:
- * for r in 00 33 66 99 cc ff; do for g in 00 33 66 99 cc ff; do echo -n " "; for b in 00 33 66 99 cc ff; do
- * echo -n "{ 0x$r, 0x$g, 0x$b }, "; done; echo ""; done; done
- */
-
-static const rgb_triplet gif_clut[216] = {
- { 0x00, 0x00, 0x00 }, { 0x00, 0x00, 0x33 }, { 0x00, 0x00, 0x66 }, { 0x00, 0x00, 0x99 }, { 0x00, 0x00, 0xcc }, { 0x00, 0x00, 0xff },
- { 0x00, 0x33, 0x00 }, { 0x00, 0x33, 0x33 }, { 0x00, 0x33, 0x66 }, { 0x00, 0x33, 0x99 }, { 0x00, 0x33, 0xcc }, { 0x00, 0x33, 0xff },
- { 0x00, 0x66, 0x00 }, { 0x00, 0x66, 0x33 }, { 0x00, 0x66, 0x66 }, { 0x00, 0x66, 0x99 }, { 0x00, 0x66, 0xcc }, { 0x00, 0x66, 0xff },
- { 0x00, 0x99, 0x00 }, { 0x00, 0x99, 0x33 }, { 0x00, 0x99, 0x66 }, { 0x00, 0x99, 0x99 }, { 0x00, 0x99, 0xcc }, { 0x00, 0x99, 0xff },
- { 0x00, 0xcc, 0x00 }, { 0x00, 0xcc, 0x33 }, { 0x00, 0xcc, 0x66 }, { 0x00, 0xcc, 0x99 }, { 0x00, 0xcc, 0xcc }, { 0x00, 0xcc, 0xff },
- { 0x00, 0xff, 0x00 }, { 0x00, 0xff, 0x33 }, { 0x00, 0xff, 0x66 }, { 0x00, 0xff, 0x99 }, { 0x00, 0xff, 0xcc }, { 0x00, 0xff, 0xff },
- { 0x33, 0x00, 0x00 }, { 0x33, 0x00, 0x33 }, { 0x33, 0x00, 0x66 }, { 0x33, 0x00, 0x99 }, { 0x33, 0x00, 0xcc }, { 0x33, 0x00, 0xff },
- { 0x33, 0x33, 0x00 }, { 0x33, 0x33, 0x33 }, { 0x33, 0x33, 0x66 }, { 0x33, 0x33, 0x99 }, { 0x33, 0x33, 0xcc }, { 0x33, 0x33, 0xff },
- { 0x33, 0x66, 0x00 }, { 0x33, 0x66, 0x33 }, { 0x33, 0x66, 0x66 }, { 0x33, 0x66, 0x99 }, { 0x33, 0x66, 0xcc }, { 0x33, 0x66, 0xff },
- { 0x33, 0x99, 0x00 }, { 0x33, 0x99, 0x33 }, { 0x33, 0x99, 0x66 }, { 0x33, 0x99, 0x99 }, { 0x33, 0x99, 0xcc }, { 0x33, 0x99, 0xff },
- { 0x33, 0xcc, 0x00 }, { 0x33, 0xcc, 0x33 }, { 0x33, 0xcc, 0x66 }, { 0x33, 0xcc, 0x99 }, { 0x33, 0xcc, 0xcc }, { 0x33, 0xcc, 0xff },
- { 0x33, 0xff, 0x00 }, { 0x33, 0xff, 0x33 }, { 0x33, 0xff, 0x66 }, { 0x33, 0xff, 0x99 }, { 0x33, 0xff, 0xcc }, { 0x33, 0xff, 0xff },
- { 0x66, 0x00, 0x00 }, { 0x66, 0x00, 0x33 }, { 0x66, 0x00, 0x66 }, { 0x66, 0x00, 0x99 }, { 0x66, 0x00, 0xcc }, { 0x66, 0x00, 0xff },
- { 0x66, 0x33, 0x00 }, { 0x66, 0x33, 0x33 }, { 0x66, 0x33, 0x66 }, { 0x66, 0x33, 0x99 }, { 0x66, 0x33, 0xcc }, { 0x66, 0x33, 0xff },
- { 0x66, 0x66, 0x00 }, { 0x66, 0x66, 0x33 }, { 0x66, 0x66, 0x66 }, { 0x66, 0x66, 0x99 }, { 0x66, 0x66, 0xcc }, { 0x66, 0x66, 0xff },
- { 0x66, 0x99, 0x00 }, { 0x66, 0x99, 0x33 }, { 0x66, 0x99, 0x66 }, { 0x66, 0x99, 0x99 }, { 0x66, 0x99, 0xcc }, { 0x66, 0x99, 0xff },
- { 0x66, 0xcc, 0x00 }, { 0x66, 0xcc, 0x33 }, { 0x66, 0xcc, 0x66 }, { 0x66, 0xcc, 0x99 }, { 0x66, 0xcc, 0xcc }, { 0x66, 0xcc, 0xff },
- { 0x66, 0xff, 0x00 }, { 0x66, 0xff, 0x33 }, { 0x66, 0xff, 0x66 }, { 0x66, 0xff, 0x99 }, { 0x66, 0xff, 0xcc }, { 0x66, 0xff, 0xff },
- { 0x99, 0x00, 0x00 }, { 0x99, 0x00, 0x33 }, { 0x99, 0x00, 0x66 }, { 0x99, 0x00, 0x99 }, { 0x99, 0x00, 0xcc }, { 0x99, 0x00, 0xff },
- { 0x99, 0x33, 0x00 }, { 0x99, 0x33, 0x33 }, { 0x99, 0x33, 0x66 }, { 0x99, 0x33, 0x99 }, { 0x99, 0x33, 0xcc }, { 0x99, 0x33, 0xff },
- { 0x99, 0x66, 0x00 }, { 0x99, 0x66, 0x33 }, { 0x99, 0x66, 0x66 }, { 0x99, 0x66, 0x99 }, { 0x99, 0x66, 0xcc }, { 0x99, 0x66, 0xff },
- { 0x99, 0x99, 0x00 }, { 0x99, 0x99, 0x33 }, { 0x99, 0x99, 0x66 }, { 0x99, 0x99, 0x99 }, { 0x99, 0x99, 0xcc }, { 0x99, 0x99, 0xff },
- { 0x99, 0xcc, 0x00 }, { 0x99, 0xcc, 0x33 }, { 0x99, 0xcc, 0x66 }, { 0x99, 0xcc, 0x99 }, { 0x99, 0xcc, 0xcc }, { 0x99, 0xcc, 0xff },
- { 0x99, 0xff, 0x00 }, { 0x99, 0xff, 0x33 }, { 0x99, 0xff, 0x66 }, { 0x99, 0xff, 0x99 }, { 0x99, 0xff, 0xcc }, { 0x99, 0xff, 0xff },
- { 0xcc, 0x00, 0x00 }, { 0xcc, 0x00, 0x33 }, { 0xcc, 0x00, 0x66 }, { 0xcc, 0x00, 0x99 }, { 0xcc, 0x00, 0xcc }, { 0xcc, 0x00, 0xff },
- { 0xcc, 0x33, 0x00 }, { 0xcc, 0x33, 0x33 }, { 0xcc, 0x33, 0x66 }, { 0xcc, 0x33, 0x99 }, { 0xcc, 0x33, 0xcc }, { 0xcc, 0x33, 0xff },
- { 0xcc, 0x66, 0x00 }, { 0xcc, 0x66, 0x33 }, { 0xcc, 0x66, 0x66 }, { 0xcc, 0x66, 0x99 }, { 0xcc, 0x66, 0xcc }, { 0xcc, 0x66, 0xff },
- { 0xcc, 0x99, 0x00 }, { 0xcc, 0x99, 0x33 }, { 0xcc, 0x99, 0x66 }, { 0xcc, 0x99, 0x99 }, { 0xcc, 0x99, 0xcc }, { 0xcc, 0x99, 0xff },
- { 0xcc, 0xcc, 0x00 }, { 0xcc, 0xcc, 0x33 }, { 0xcc, 0xcc, 0x66 }, { 0xcc, 0xcc, 0x99 }, { 0xcc, 0xcc, 0xcc }, { 0xcc, 0xcc, 0xff },
- { 0xcc, 0xff, 0x00 }, { 0xcc, 0xff, 0x33 }, { 0xcc, 0xff, 0x66 }, { 0xcc, 0xff, 0x99 }, { 0xcc, 0xff, 0xcc }, { 0xcc, 0xff, 0xff },
- { 0xff, 0x00, 0x00 }, { 0xff, 0x00, 0x33 }, { 0xff, 0x00, 0x66 }, { 0xff, 0x00, 0x99 }, { 0xff, 0x00, 0xcc }, { 0xff, 0x00, 0xff },
- { 0xff, 0x33, 0x00 }, { 0xff, 0x33, 0x33 }, { 0xff, 0x33, 0x66 }, { 0xff, 0x33, 0x99 }, { 0xff, 0x33, 0xcc }, { 0xff, 0x33, 0xff },
- { 0xff, 0x66, 0x00 }, { 0xff, 0x66, 0x33 }, { 0xff, 0x66, 0x66 }, { 0xff, 0x66, 0x99 }, { 0xff, 0x66, 0xcc }, { 0xff, 0x66, 0xff },
- { 0xff, 0x99, 0x00 }, { 0xff, 0x99, 0x33 }, { 0xff, 0x99, 0x66 }, { 0xff, 0x99, 0x99 }, { 0xff, 0x99, 0xcc }, { 0xff, 0x99, 0xff },
- { 0xff, 0xcc, 0x00 }, { 0xff, 0xcc, 0x33 }, { 0xff, 0xcc, 0x66 }, { 0xff, 0xcc, 0x99 }, { 0xff, 0xcc, 0xcc }, { 0xff, 0xcc, 0xff },
- { 0xff, 0xff, 0x00 }, { 0xff, 0xff, 0x33 }, { 0xff, 0xff, 0x66 }, { 0xff, 0xff, 0x99 }, { 0xff, 0xff, 0xcc }, { 0xff, 0xff, 0xff },
-};
+#include "internal.h"
+#include "lzw.h"
/* The GIF format uses reversed order for bitstreams... */
/* at least they don't use PDP_ENDIAN :) */
-/* so we 'extend' PutBitContext. hmmm, OOP :) */
-/* seems this thing changed slightly since I wrote it... */
-
-#ifdef ALT_BITSTREAM_WRITER
-# error no ALT_BITSTREAM_WRITER support for now
-#endif
-
-static void gif_put_bits_rev(PutBitContext *s, int n, unsigned int value)
-{
- unsigned int bit_buf;
- int bit_cnt;
+#define BITSTREAM_WRITER_LE
- // printf("put_bits=%d %x\n", n, value);
- assert(n == 32 || value < (1U << n));
+#include "put_bits.h"
- bit_buf = s->bit_buf;
- bit_cnt = 32 - s->bit_left; /* XXX:lazyness... was = s->bit_cnt; */
-
- // printf("n=%d value=%x cnt=%d buf=%x\n", n, value, bit_cnt, bit_buf);
- /* XXX: optimize */
- if (n < (32-bit_cnt)) {
- bit_buf |= value << (bit_cnt);
- bit_cnt+=n;
- } else {
- bit_buf |= value << (bit_cnt);
-
- bytestream_put_le32(&s->buf_ptr, bit_buf);
-
- //printf("bitbuf = %08x\n", bit_buf);
- if (s->buf_ptr >= s->buf_end)
- abort();
-// flush_buffer_rev(s);
- bit_cnt=bit_cnt + n - 32;
- if (bit_cnt == 0) {
- bit_buf = 0;
- } else {
- bit_buf = value >> (n - bit_cnt);
- }
- }
-
- s->bit_buf = bit_buf;
- s->bit_left = 32 - bit_cnt;
-}
-
-/* pad the end of the output stream with zeros */
-static void gif_flush_put_bits_rev(PutBitContext *s)
-{
- while (s->bit_left < 32) {
- /* XXX: should test end of buffer */
- *s->buf_ptr++=s->bit_buf & 0xff;
- s->bit_buf>>=8;
- s->bit_left+=8;
- }
-// flush_buffer_rev(s);
- s->bit_left=32;
- s->bit_buf=0;
-}
-
-/* !RevPutBitContext */
+typedef struct GIFContext {
+ LZWState *lzw;
+ uint8_t *buf;
+} GIFContext;
/* GIF header */
-static int gif_image_write_header(uint8_t **bytestream,
- int width, int height, int loop_count,
- uint32_t *palette)
+static int gif_image_write_header(AVCodecContext *avctx,
+ uint8_t **bytestream, uint32_t *palette)
{
int i;
unsigned int v;
bytestream_put_buffer(bytestream, "GIF", 3);
bytestream_put_buffer(bytestream, "89a", 3);
- bytestream_put_le16(bytestream, width);
- bytestream_put_le16(bytestream, height);
+ bytestream_put_le16(bytestream, avctx->width);
+ bytestream_put_le16(bytestream, avctx->height);
bytestream_put_byte(bytestream, 0xf7); /* flags: global clut, 256 entries */
bytestream_put_byte(bytestream, 0x1f); /* background color index */
bytestream_put_byte(bytestream, 0); /* aspect ratio */
/* the global palette */
- if (!palette) {
- bytestream_put_buffer(bytestream, (const unsigned char *)gif_clut, 216*3);
- for(i=0;i<((256-216)*3);i++)
- bytestream_put_byte(bytestream, 0);
- } else {
- for(i=0;i<256;i++) {
- v = palette[i];
- bytestream_put_be24(bytestream, v);
- }
+ for(i=0;i<256;i++) {
+ v = palette[i];
+ bytestream_put_be24(bytestream, v);
}
- /* update: this is the 'NETSCAPE EXTENSION' that allows for looped animated gif
- see http://members.aol.com/royalef/gifabout.htm#net-extension
-
- byte 1 : 33 (hex 0x21) GIF Extension code
- byte 2 : 255 (hex 0xFF) Application Extension Label
- byte 3 : 11 (hex (0x0B) Length of Application Block
- (eleven bytes of data to follow)
- bytes 4 to 11 : "NETSCAPE"
- bytes 12 to 14 : "2.0"
- byte 15 : 3 (hex 0x03) Length of Data Sub-Block
- (three bytes of data to follow)
- byte 16 : 1 (hex 0x01)
- bytes 17 to 18 : 0 to 65535, an unsigned integer in
- lo-hi byte format. This indicate the
- number of iterations the loop should
- be executed.
- bytes 19 : 0 (hex 0x00) a Data Sub-block Terminator
- */
-
- /* application extension header */
-#ifdef GIF_ADD_APP_HEADER
- if (loop_count >= 0 && loop_count <= 65535) {
- bytestream_put_byte(bytestream, 0x21);
- bytestream_put_byte(bytestream, 0xff);
- bytestream_put_byte(bytestream, 0x0b);
- bytestream_put_buffer(bytestream, "NETSCAPE2.0", 11); // bytes 4 to 14
- bytestream_put_byte(bytestream, 0x03); // byte 15
- bytestream_put_byte(bytestream, 0x01); // byte 16
- bytestream_put_le16(bytestream, (uint16_t)loop_count);
- bytestream_put_byte(bytestream, 0x00); // byte 19
- }
-#endif
return 0;
}
-/* this is maybe slow, but allows for extensions */
-static inline unsigned char gif_clut_index(uint8_t r, uint8_t g, uint8_t b)
+static int gif_image_write_image(AVCodecContext *avctx,
+ uint8_t **bytestream, uint8_t *end,
+ const uint8_t *buf, int linesize)
{
- return ((((r)/47)%6)*6*6+(((g)/47)%6)*6+(((b)/47)%6));
-}
-
-
-static int gif_image_write_image(uint8_t **bytestream,
- int x1, int y1, int width, int height,
- const uint8_t *buf, int linesize, int pix_fmt)
-{
- PutBitContext p;
- uint8_t buffer[200]; /* 100 * 9 / 8 = 113 */
- int i, left, w, v;
+ GIFContext *s = avctx->priv_data;
+ int len = 0, height;
const uint8_t *ptr;
/* image block */
bytestream_put_byte(bytestream, 0x2c);
- bytestream_put_le16(bytestream, x1);
- bytestream_put_le16(bytestream, y1);
- bytestream_put_le16(bytestream, width);
- bytestream_put_le16(bytestream, height);
+ bytestream_put_le16(bytestream, 0);
+ bytestream_put_le16(bytestream, 0);
+ bytestream_put_le16(bytestream, avctx->width);
+ bytestream_put_le16(bytestream, avctx->height);
bytestream_put_byte(bytestream, 0x00); /* flags */
/* no local clut */
bytestream_put_byte(bytestream, 0x08);
- left= width * height;
+ ff_lzw_encode_init(s->lzw, s->buf, avctx->width*avctx->height,
+ 12, FF_LZW_GIF, put_bits);
- init_put_bits(&p, buffer, 130);
-
-/*
- * the thing here is the bitstream is written as little packets, with a size byte before
- * but it's still the same bitstream between packets (no flush !)
- */
ptr = buf;
- w = width;
- while(left>0) {
-
- gif_put_bits_rev(&p, 9, 0x0100); /* clear code */
-
- for(i=(left<GIF_CHUNKS)?left:GIF_CHUNKS;i;i--) {
- if (pix_fmt == PIX_FMT_RGB24) {
- v = gif_clut_index(ptr[0], ptr[1], ptr[2]);
- ptr+=3;
- } else {
- v = *ptr++;
- }
- gif_put_bits_rev(&p, 9, v);
- if (--w == 0) {
- w = width;
- buf += linesize;
- ptr = buf;
- }
- }
-
- if(left<=GIF_CHUNKS) {
- gif_put_bits_rev(&p, 9, 0x101); /* end of stream */
- gif_flush_put_bits_rev(&p);
- }
- if(pbBufPtr(&p) - p.buf > 0) {
- bytestream_put_byte(bytestream, pbBufPtr(&p) - p.buf); /* byte count of the packet */
- bytestream_put_buffer(bytestream, p.buf, pbBufPtr(&p) - p.buf); /* the actual buffer */
- p.buf_ptr = p.buf; /* dequeue the bytes off the bitstream */
- }
- left-=GIF_CHUNKS;
+ for (height = avctx->height; height--;) {
+ len += ff_lzw_encode(s->lzw, ptr, avctx->width);
+ ptr += linesize;
+ }
+ len += ff_lzw_encode_flush(s->lzw, flush_put_bits);
+
+ ptr = s->buf;
+ while (len > 0) {
+ int size = FFMIN(255, len);
+ bytestream_put_byte(bytestream, size);
+ if (end - *bytestream < size)
+ return -1;
+ bytestream_put_buffer(bytestream, ptr, size);
+ ptr += size;
+ len -= size;
}
bytestream_put_byte(bytestream, 0x00); /* end of image block */
bytestream_put_byte(bytestream, 0x3b);
return 0;
}
-typedef struct {
- int64_t time, file_time;
- uint8_t buffer[100]; /* data chunks */
- AVFrame picture;
-} GIFContext;
-
-static int gif_encode_init(AVCodecContext *avctx)
+static av_cold int gif_encode_init(AVCodecContext *avctx)
{
GIFContext *s = avctx->priv_data;
- avctx->coded_frame = &s->picture;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+ avctx->coded_frame->key_frame = 1;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+ s->lzw = av_mallocz(ff_lzw_encode_state_size);
+ if (!s->lzw)
+ return AVERROR(ENOMEM);
+ s->buf = av_malloc(avctx->width*avctx->height*2);
+ if (!s->buf)
+ return AVERROR(ENOMEM);
return 0;
}
/* better than nothing gif encoder */
-static int gif_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int buf_size, void *data)
+static int gif_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *pict, int *got_packet)
+{
+ uint8_t *outbuf_ptr, *end;
+ int ret;
+
+ if ((ret = ff_alloc_packet(pkt, avctx->width*avctx->height*7/5 + FF_MIN_BUFFER_SIZE)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+ return ret;
+ }
+ outbuf_ptr = pkt->data;
+ end = pkt->data + pkt->size;
+
+ gif_image_write_header(avctx, &outbuf_ptr, (uint32_t *)pict->data[1]);
+ gif_image_write_image(avctx, &outbuf_ptr, end, pict->data[0], pict->linesize[0]);
+
+ pkt->size = outbuf_ptr - pkt->data;
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ *got_packet = 1;
+
+ return 0;
+}
+
+static int gif_encode_close(AVCodecContext *avctx)
{
GIFContext *s = avctx->priv_data;
- AVFrame *pict = data;
- AVFrame *const p = (AVFrame *)&s->picture;
- uint8_t *outbuf_ptr = outbuf;
- *p = *pict;
- p->pict_type = FF_I_TYPE;
- p->key_frame = 1;
- gif_image_write_header(&outbuf_ptr, avctx->width, avctx->height, -1, (uint32_t *)pict->data[1]);
- gif_image_write_image(&outbuf_ptr, 0, 0, avctx->width, avctx->height, pict->data[0], pict->linesize[0], PIX_FMT_PAL8);
- return outbuf_ptr - outbuf;
+ av_freep(&s->lzw);
+ av_freep(&s->buf);
+ return 0;
}
-AVCodec gif_encoder = {
- "gif",
- CODEC_TYPE_VIDEO,
- CODEC_ID_GIF,
- sizeof(GIFContext),
- gif_encode_init,
- gif_encode_frame,
- NULL, //encode_end,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_PAL8, -1},
+AVCodec ff_gif_encoder = {
+ .name = "gif",
+ .long_name = NULL_IF_CONFIG_SMALL("GIF (Graphics Interchange Format)"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_GIF,
+ .priv_data_size = sizeof(GIFContext),
+ .init = gif_encode_init,
+ .encode2 = gif_encode_frame,
+ .close = gif_encode_close,
+ .pix_fmts = (const enum AVPixelFormat[]){
+ AV_PIX_FMT_RGB8, AV_PIX_FMT_BGR8, AV_PIX_FMT_RGB4_BYTE, AV_PIX_FMT_BGR4_BYTE,
+ AV_PIX_FMT_GRAY8, AV_PIX_FMT_PAL8, AV_PIX_FMT_NONE
+ },
};
projects / ffmpeg / blobdiff