Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

make containers pass palette change in AVPacket

Browse Source 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
pull/2/head
Kostya Shishkov 14 years ago committed by Luca Barbato
parent 4de339e219
commit 2d8591c27e
20 changed files with 172 additions and 131 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 21
      libavcodec/8bps.c
  2. 19
      libavcodec/cinepak.c
  3. 12
      libavcodec/idcinvideo.c
  4. 21
      libavcodec/interplayvideo.c
  5. 16
      libavcodec/kmvc.c
  6. 17
      libavcodec/msrle.c
  7. 24
      libavcodec/msvideo1.c
  8. 12
      libavcodec/qpeg.c
  9. 12
      libavcodec/qtrle.c
  10. 10
      libavcodec/rawdec.c
  11. 13
      libavcodec/smc.c
  12. 7
      libavcodec/targa.c
  13. 10
      libavcodec/tscc.c
  14. 2
      libavformat/asf.h
  15. 21
      libavformat/asfdec.c
  16. 24
      libavformat/avidec.c
  17. 17
      libavformat/idcin.c
  18. 23
      libavformat/ipmovie.c
  19. 2
      libavformat/isom.h
  20. 20
      libavformat/mov.c

21
libavcodec/8bps.c
Unescape View File

@ -50,6 +50,8 @@ typedef struct EightBpsContext {
unsigned char planes;
unsigned char planemap[4];
uint32_t pal[256];
} EightBpsContext;
@ -129,13 +131,16 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
}
}
if (avctx->palctrl) {
memcpy (c->pic.data[1], avctx->palctrl->palette, AVPALETTE_SIZE);
if (avctx->palctrl->palette_changed) {
if (avctx->bits_per_coded_sample <= 8) {
const uint8_t *pal = av_packet_get_side_data(avpkt,
AV_PKT_DATA_PALETTE,
NULL);
if (pal) {
c->pic.palette_has_changed = 1;
avctx->palctrl->palette_changed = 0;
} else
c->pic.palette_has_changed = 0;
memcpy(c->pal, pal, AVPALETTE_SIZE);
}
memcpy (c->pic.data[1], c->pal, AVPALETTE_SIZE);
}
*data_size = sizeof(AVFrame);
@ -164,10 +169,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
avctx->pix_fmt = PIX_FMT_PAL8;
c->planes = 1;
c->planemap[0] = 0; // 1st plane is palette indexes
if (avctx->palctrl == NULL) {
av_log(avctx, AV_LOG_ERROR, "Error: PAL8 format but no palette from demuxer.\n");
return -1;
}
break;
case 24:
avctx->pix_fmt = avctx->get_format(avctx, pixfmt_rgb24);

19
libavcodec/cinepak.c
Unescape View File

@ -67,6 +67,7 @@ typedef struct CinepakContext {
int sega_film_skip_bytes;
uint32_t pal[256];
} CinepakContext;
static void cinepak_decode_codebook (cvid_codebook *codebook,
@ -395,7 +396,7 @@ static av_cold int cinepak_decode_init(AVCodecContext *avctx)
s->sega_film_skip_bytes = -1; /* uninitialized state */
// check for paletted data
if ((avctx->palctrl == NULL) || (avctx->bits_per_coded_sample == 40)) {
if (avctx->bits_per_coded_sample != 8) {
s->palette_video = 0;
avctx->pix_fmt = PIX_FMT_YUV420P;
} else {
@ -427,17 +428,19 @@ static int cinepak_decode_frame(AVCodecContext *avctx,
return -1;
}
cinepak_decode(s);
if (s->palette_video) {
memcpy (s->frame.data[1], avctx->palctrl->palette, AVPALETTE_SIZE);
if (avctx->palctrl->palette_changed) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
s->frame.palette_has_changed = 1;
avctx->palctrl->palette_changed = 0;
} else
s->frame.palette_has_changed = 0;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
}
cinepak_decode(s);
if (s->palette_video)
memcpy (s->frame.data[1], s->pal, AVPALETTE_SIZE);
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->frame;

12
libavcodec/idcinvideo.c
Unescape View File

@ -72,6 +72,7 @@ typedef struct IdcinContext {
hnode huff_nodes[256][HUF_TOKENS*2];
int num_huff_nodes[256];
uint32_t pal[256];
} IdcinContext;
/*
@ -213,7 +214,7 @@ static int idcin_decode_frame(AVCodecContext *avctx,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
IdcinContext *s = avctx->priv_data;
AVPaletteControl *palette_control = avctx->palctrl;
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
s->buf = buf;
s->size = buf_size;
@ -228,13 +229,12 @@ static int idcin_decode_frame(AVCodecContext *avctx,
idcin_decode_vlcs(s);
/* make the palette available on the way out */
memcpy(s->frame.data[1], palette_control->palette, PALETTE_COUNT * 4);
/* If palette changed inform application*/
if (palette_control->palette_changed) {
palette_control->palette_changed = 0;
if (pal) {
s->frame.palette_has_changed = 1;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
/* make the palette available on the way out */
memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->frame;

21
libavcodec/interplayvideo.c
Unescape View File

@ -77,6 +77,7 @@ typedef struct IpvideoContext {
int stride;
int upper_motion_limit_offset;
uint32_t pal[256];
} IpvideoContext;
#define CHECK_STREAM_PTR(stream_ptr, stream_end, n) \
@ -969,7 +970,7 @@ static void ipvideo_decode_opcodes(IpvideoContext *s)
if (!s->is_16bpp) {
/* this is PAL8, so make the palette available */
memcpy(s->current_frame.data[1], s->avctx->palctrl->palette, PALETTE_COUNT * 4);
memcpy(s->current_frame.data[1], s->pal, AVPALETTE_SIZE);
s->stride = s->current_frame.linesize[0];
s->stream_ptr = s->buf + 14; /* data starts 14 bytes in */
@ -1023,10 +1024,6 @@ static av_cold int ipvideo_decode_init(AVCodecContext *avctx)
s->is_16bpp = avctx->bits_per_coded_sample == 16;
avctx->pix_fmt = s->is_16bpp ? PIX_FMT_RGB555 : PIX_FMT_PAL8;
if (!s->is_16bpp && s->avctx->palctrl == NULL) {
av_log(avctx, AV_LOG_ERROR, " Interplay video: palette expected.\n");
return -1;
}
dsputil_init(&s->dsp, avctx);
@ -1046,7 +1043,6 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
IpvideoContext *s = avctx->priv_data;
AVPaletteControl *palette_control = avctx->palctrl;
/* compressed buffer needs to be large enough to at least hold an entire
* decoding map */
@ -1063,13 +1059,16 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
return -1;
}
ipvideo_decode_opcodes(s);
if (!s->is_16bpp && palette_control->palette_changed) {
palette_control->palette_changed = 0;
s->current_frame.palette_has_changed = 1;
if (!s->is_16bpp) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
s->current_frame.palette_has_changed = 1;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
}
ipvideo_decode_opcodes(s);
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->current_frame;

16
libavcodec/kmvc.c
Unescape View File

@ -233,6 +233,7 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPa
int i;
int header;
int blocksize;
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (ctx->pic.data[0])
avctx->release_buffer(avctx, &ctx->pic);
@ -264,13 +265,6 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPa
ctx->pic.pict_type = FF_P_TYPE;
}
/* if palette has been changed, copy it from palctrl */
if (ctx->avctx->palctrl && ctx->avctx->palctrl->palette_changed) {
memcpy(ctx->pal, ctx->avctx->palctrl->palette, AVPALETTE_SIZE);
ctx->setpal = 1;
ctx->avctx->palctrl->palette_changed = 0;
}
if (header & KMVC_PALETTE) {
ctx->pic.palette_has_changed = 1;
// palette starts from index 1 and has 127 entries
@ -279,6 +273,11 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *data_size, AVPa
}
}
if (pal) {
ctx->pic.palette_has_changed = 1;
memcpy(ctx->pal, pal, AVPALETTE_SIZE);
}
if (ctx->setpal) {
ctx->setpal = 0;
ctx->pic.palette_has_changed = 1;
@ -374,9 +373,6 @@ static av_cold int decode_init(AVCodecContext * avctx)
src += 4;
}
c->setpal = 1;
if (c->avctx->palctrl) {
c->avctx->palctrl->palette_changed = 0;
}
}
avctx->pix_fmt = PIX_FMT_PAL8;

17
libavcodec/msrle.c
Unescape View File

@ -26,9 +26,6 @@
* http://www.pcisys.net/~melanson/codecs/
*
* The MS RLE decoder outputs PAL8 colorspace data.
*
* Note that this decoder expects the palette colors from the end of the
* BITMAPINFO header passed through palctrl.
*/
#include <stdio.h>
@ -46,6 +43,7 @@ typedef struct MsrleContext {
const unsigned char *buf;
int size;
uint32_t pal[256];
} MsrleContext;
static av_cold int msrle_decode_init(AVCodecContext *avctx)
@ -91,13 +89,16 @@ static int msrle_decode_frame(AVCodecContext *avctx,
return -1;
}
if (s->avctx->palctrl) {
/* make the palette available */
memcpy(s->frame.data[1], s->avctx->palctrl->palette, AVPALETTE_SIZE);
if (s->avctx->palctrl->palette_changed) {
if (avctx->bits_per_coded_sample <= 8) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
s->frame.palette_has_changed = 1;
s->avctx->palctrl->palette_changed = 0;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
/* make the palette available */
memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
}
/* FIXME how to correctly detect RLE ??? */

24
libavcodec/msvideo1.c
Unescape View File

@ -25,9 +25,6 @@
* For more information about the MS Video-1 format, visit:
* http://www.pcisys.net/~melanson/codecs/
*
* This decoder outputs either PAL8 or RGB555 data, depending on the
* whether a RGB palette was passed through palctrl;
* if it's present, then the data is PAL8; RGB555 otherwise.
*/
#include <stdio.h>
@ -55,6 +52,7 @@ typedef struct Msvideo1Context {
int mode_8bit; /* if it's not 8-bit, it's 16-bit */
uint32_t pal[256];
} Msvideo1Context;
static av_cold int msvideo1_decode_init(AVCodecContext *avctx)
@ -64,7 +62,7 @@ static av_cold int msvideo1_decode_init(AVCodecContext *avctx)
s->avctx = avctx;
/* figure out the colorspace based on the presence of a palette */
if (s->avctx->palctrl) {
if (s->avctx->bits_per_coded_sample == 8) {
s->mode_8bit = 1;
avctx->pix_fmt = PIX_FMT_PAL8;
} else {
@ -173,13 +171,8 @@ static void msvideo1_decode_8bit(Msvideo1Context *s)
}
/* make the palette available on the way out */
if (s->avctx->pix_fmt == PIX_FMT_PAL8) {
memcpy(s->frame.data[1], s->avctx->palctrl->palette, AVPALETTE_SIZE);
if (s->avctx->palctrl->palette_changed) {
s->frame.palette_has_changed = 1;
s->avctx->palctrl->palette_changed = 0;
}
}
if (s->avctx->pix_fmt == PIX_FMT_PAL8)
memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
}
static void msvideo1_decode_16bit(Msvideo1Context *s)
@ -309,6 +302,15 @@ static int msvideo1_decode_frame(AVCodecContext *avctx,
return -1;
}
if (s->mode_8bit) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
memcpy(s->pal, pal, AVPALETTE_SIZE);
s->frame.palette_has_changed = 1;
}
}
if (s->mode_8bit)
msvideo1_decode_8bit(s);
else

12
libavcodec/qpeg.c
Unescape View File

@ -30,6 +30,7 @@ typedef struct QpegContext{
AVCodecContext *avctx;
AVFrame pic;
uint8_t *refdata;
uint32_t pal[256];
} QpegContext;
static void qpeg_decode_intra(const uint8_t *src, uint8_t *dst, int size,
@ -256,6 +257,7 @@ static int decode_frame(AVCodecContext *avctx,
AVFrame * const p= (AVFrame*)&a->pic;
uint8_t* outdata;
int delta;
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if(p->data[0])
avctx->release_buffer(avctx, p);
@ -274,11 +276,11 @@ static int decode_frame(AVCodecContext *avctx,
}
/* make the palette available on the way out */
memcpy(a->pic.data[1], a->avctx->palctrl->palette, AVPALETTE_SIZE);
if (a->avctx->palctrl->palette_changed) {
if (pal) {
a->pic.palette_has_changed = 1;
a->avctx->palctrl->palette_changed = 0;
memcpy(a->pal, pal, AVPALETTE_SIZE);
}
memcpy(a->pic.data[1], a->pal, AVPALETTE_SIZE);
*data_size = sizeof(AVFrame);
*(AVFrame*)data = a->pic;
@ -289,10 +291,6 @@ static int decode_frame(AVCodecContext *avctx,
static av_cold int decode_init(AVCodecContext *avctx){
QpegContext * const a = avctx->priv_data;
if (!avctx->palctrl) {
av_log(avctx, AV_LOG_FATAL, "Missing required palette via palctrl\n");
return -1;
}
a->avctx = avctx;
avctx->pix_fmt= PIX_FMT_PAL8;
a->refdata = av_malloc(avctx->width * avctx->height);

12
libavcodec/qtrle.c
Unescape View File

@ -46,6 +46,7 @@ typedef struct QtrleContext {
const unsigned char *buf;
int size;
uint32_t pal[256];
} QtrleContext;
#define CHECK_STREAM_PTR(n) \
@ -511,12 +512,15 @@ static int qtrle_decode_frame(AVCodecContext *avctx,
}
if(has_palette) {
/* make the palette available on the way out */
memcpy(s->frame.data[1], s->avctx->palctrl->palette, AVPALETTE_SIZE);
if (s->avctx->palctrl->palette_changed) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
s->frame.palette_has_changed = 1;
s->avctx->palctrl->palette_changed = 0;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
/* make the palette available on the way out */
memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
}
done:

10
libavcodec/rawdec.c
Unescape View File

@ -158,9 +158,13 @@ static int raw_decode(AVCodecContext *avctx,
(av_pix_fmt_descriptors[avctx->pix_fmt].flags & PIX_FMT_PAL))){
frame->data[1]= context->palette;
}
if (avctx->palctrl && avctx->palctrl->palette_changed) {
memcpy(frame->data[1], avctx->palctrl->palette, AVPALETTE_SIZE);
avctx->palctrl->palette_changed = 0;
if (avctx->pix_fmt == PIX_FMT_PAL8) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
memcpy(frame->data[1], pal, AVPALETTE_SIZE);
frame->palette_has_changed = 1;
}
}
if(avctx->pix_fmt==PIX_FMT_BGR24 && ((frame->linesize[0]+3)&~3)*avctx->height <= buf_size)
frame->linesize[0] = (frame->linesize[0]+3)&~3;

13
libavcodec/smc.c
Unescape View File

@ -54,6 +54,7 @@ typedef struct SmcContext {
unsigned char color_quads[COLORS_PER_TABLE * CQUAD];
unsigned char color_octets[COLORS_PER_TABLE * COCTET];
uint32_t pal[256];
} SmcContext;
#define GET_BLOCK_COUNT() \
@ -110,11 +111,7 @@ static void smc_decode_stream(SmcContext *s)
int color_octet_index = 0;
/* make the palette available */
memcpy(s->frame.data[1], s->avctx->palctrl->palette, AVPALETTE_SIZE);
if (s->avctx->palctrl->palette_changed) {
s->frame.palette_has_changed = 1;
s->avctx->palctrl->palette_changed = 0;
}
memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
chunk_size = AV_RB32(&s->buf[stream_ptr]) & 0x00FFFFFF;
stream_ptr += 4;
@ -440,6 +437,7 @@ static int smc_decode_frame(AVCodecContext *avctx,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
SmcContext *s = avctx->priv_data;
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
s->buf = buf;
s->size = buf_size;
@ -452,6 +450,11 @@ static int smc_decode_frame(AVCodecContext *avctx,
return -1;
}
if (pal) {
s->frame.palette_has_changed = 1;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
smc_decode_stream(s);
*data_size = sizeof(AVFrame);

7
libavcodec/targa.c
Unescape View File

@ -171,13 +171,6 @@ static int decode_frame(AVCodecContext *avctx,
stride = -p->linesize[0];
}
if(avctx->pix_fmt == PIX_FMT_PAL8 && avctx->palctrl){
memcpy(p->data[1], avctx->palctrl->palette, AVPALETTE_SIZE);
if(avctx->palctrl->palette_changed){
p->palette_has_changed = 1;
avctx->palctrl->palette_changed = 0;
}
}
if(colors){
size_t pal_size;
if((colors + first_clr) > 256){

10
libavcodec/tscc.c
Unescape View File

@ -60,6 +60,8 @@ typedef struct TsccContext {
unsigned char* decomp_buf;
int height;
z_stream zstream;
uint32_t pal[256];
} CamtasiaContext;
/*
@ -111,11 +113,13 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
/* make the palette available on the way out */
if (c->avctx->pix_fmt == PIX_FMT_PAL8) {
memcpy(c->pic.data[1], c->avctx->palctrl->palette, AVPALETTE_SIZE);
if (c->avctx->palctrl->palette_changed) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
c->pic.palette_has_changed = 1;
c->avctx->palctrl->palette_changed = 0;
memcpy(c->pal, pal, AVPALETTE_SIZE);
}
memcpy(c->pic.data[1], c->pal, AVPALETTE_SIZE);
}
*data_size = sizeof(AVFrame);

2
libavformat/asf.h
Unescape View File

@ -44,6 +44,8 @@ typedef struct {
uint16_t stream_language_index;
int palette_changed;
uint32_t palette[256];
} ASFStream;
typedef uint8_t ff_asf_guid[16];

21
libavformat/asfdec.c
Unescape View File

@ -365,15 +365,14 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size)
/* This is true for all paletted codecs implemented in ffmpeg */
if (st->codec->extradata_size && (st->codec->bits_per_coded_sample <= 8)) {
int av_unused i;
st->codec->palctrl = av_mallocz(sizeof(AVPaletteControl));
#if HAVE_BIGENDIAN
for (i = 0; i < FFMIN(st->codec->extradata_size, AVPALETTE_SIZE)/4; i++)
st->codec->palctrl->palette[i] = av_bswap32(((uint32_t*)st->codec->extradata)[i]);
asf_st->palette[i] = av_bswap32(((uint32_t*)st->codec->extradata)[i]);
#else
memcpy(st->codec->palctrl->palette, st->codec->extradata,
FFMIN(st->codec->extradata_size, AVPALETTE_SIZE));
memcpy(asf_st->palette, st->codec->extradata,
FFMIN(st->codec->extradata_size, AVPALETTE_SIZE));
#endif
st->codec->palctrl->palette_changed = 1;
asf_st->palette_changed = 1;
}
st->codec->codec_tag = tag1;
@ -966,6 +965,17 @@ static int ff_asf_parse_packet(AVFormatContext *s, AVIOContext *pb, AVPacket *pk
asf_st->pkt.stream_index = asf->stream_index;
asf_st->pkt.pos =
asf_st->packet_pos= asf->packet_pos;
if (asf_st->pkt.data && asf_st->palette_changed) {
uint8_t *pal;
pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE,
AVPALETTE_SIZE);
if (!pal) {
av_log(s, AV_LOG_ERROR, "Cannot append palette to packet\n");
} else {
memcpy(pal, asf_st->palette, AVPALETTE_SIZE);
asf_st->palette_changed = 0;
}
}
//printf("new packet: stream:%d key:%d packet_key:%d audio:%d size:%d\n",
//asf->stream_index, asf->packet_key_frame, asf_st->pkt.flags & AV_PKT_FLAG_KEY,
//s->streams[asf->stream_index]->codec->codec_type == AVMEDIA_TYPE_AUDIO, asf->packet_obj_size);
@ -1127,7 +1137,6 @@ static int asf_read_close(AVFormatContext *s)
asf_reset_header(s);
for(i=0;i<s->nb_streams;i++) {
AVStream *st = s->streams[i];
av_free(st->codec->palctrl);
}
return 0;
}

24
libavformat/avidec.c
Unescape View File

@ -590,15 +590,14 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
/* This code assumes that extradata contains only palette. */
/* This is true for all paletted codecs implemented in FFmpeg. */
if (st->codec->extradata_size && (st->codec->bits_per_coded_sample <= 8)) {
st->codec->palctrl = av_mallocz(sizeof(AVPaletteControl));
#if HAVE_BIGENDIAN
for (i = 0; i < FFMIN(st->codec->extradata_size, AVPALETTE_SIZE)/4; i++)
st->codec->palctrl->palette[i] = av_bswap32(((uint32_t*)st->codec->extradata)[i]);
ast->pal[i] = av_bswap32(((uint32_t*)st->codec->extradata)[i]);
#else
memcpy(st->codec->palctrl->palette, st->codec->extradata,
memcpy(ast->pal, st->codec->extradata,
FFMIN(st->codec->extradata_size, AVPALETTE_SIZE));
#endif
st->codec->palctrl->palette_changed = 1;
ast->has_pal = 1;
}
print_tag("video", tag1, 0);
@ -932,14 +931,14 @@ resync:
return err;
if(ast->has_pal && pkt->data && pkt->size<(unsigned)INT_MAX/2){
void *ptr= av_realloc(pkt->data, pkt->size + 4*256 + FF_INPUT_BUFFER_PADDING_SIZE);
if(ptr){
ast->has_pal=0;
pkt->size += 4*256;
pkt->data= ptr;
memcpy(pkt->data + pkt->size - 4*256, ast->pal, 4*256);
}else
av_log(s, AV_LOG_ERROR, "Failed to append palette\n");
uint8_t *pal;
pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE, AVPALETTE_SIZE);
if(!pal){
av_log(s, AV_LOG_ERROR, "Failed to allocate data for palette\n");
}else{
memcpy(pal, ast->pal, AVPALETTE_SIZE);
ast->has_pal = 0;
}
}
if (CONFIG_DV_DEMUXER && avi->dv_demux) {
@ -1340,7 +1339,6 @@ static int avi_read_close(AVFormatContext *s)
for(i=0;i<s->nb_streams;i++) {
AVStream *st = s->streams[i];
AVIStream *ast = st->priv_data;
av_free(st->codec->palctrl);
if (ast) {
if (ast->sub_ctx) {
av_freep(&ast->sub_ctx->pb);

17
libavformat/idcin.c
Unescape View File

@ -86,8 +86,6 @@ typedef struct IdcinDemuxContext {
int audio_present;
int64_t pts;
AVPaletteControl palctrl;
} IdcinDemuxContext;
static int idcin_probe(AVProbeData *p)
@ -172,8 +170,6 @@ static int idcin_read_header(AVFormatContext *s,
if (avio_read(pb, st->codec->extradata, HUFFMAN_TABLE_SIZE) !=
HUFFMAN_TABLE_SIZE)
return AVERROR(EIO);
/* save a reference in order to transport the palette */
st->codec->palctrl = &idcin->palctrl;
/* if sample rate is 0, assume no audio */
if (sample_rate) {
@ -226,6 +222,7 @@ static int idcin_read_packet(AVFormatContext *s,
int palette_scale;
unsigned char r, g, b;
unsigned char palette_buffer[768];
uint32_t palette[256];
if (s->pb->eof_reached)
return AVERROR(EIO);
@ -236,7 +233,6 @@ static int idcin_read_packet(AVFormatContext *s,
return AVERROR(EIO);
} else if (command == 1) {
/* trigger a palette change */
idcin->palctrl.palette_changed = 1;
if (avio_read(pb, palette_buffer, 768) != 768)
return AVERROR(EIO);
/* scale the palette as necessary */
@ -251,7 +247,7 @@ static int idcin_read_packet(AVFormatContext *s,
r = palette_buffer[i * 3 ] << palette_scale;
g = palette_buffer[i * 3 + 1] << palette_scale;
b = palette_buffer[i * 3 + 2] << palette_scale;
idcin->palctrl.palette[i] = (r << 16) | (g << 8) | (b);
palette[i] = (r << 16) | (g << 8) | (b);
}
}
@ -262,6 +258,15 @@ static int idcin_read_packet(AVFormatContext *s,
ret= av_get_packet(pb, pkt, chunk_size);
if (ret < 0)
return ret;
if (command == 1) {
uint8_t *pal;
pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE,
AVPALETTE_SIZE);
if (ret < 0)
return ret;
memcpy(pal, palette, AVPALETTE_SIZE);
}
pkt->stream_index = idcin->video_stream_index;
pkt->pts = idcin->pts;
} else {

23
libavformat/ipmovie.c
Unescape View File

@ -97,6 +97,8 @@ typedef struct IPMVEContext {
unsigned int video_width;
unsigned int video_height;
int64_t video_pts;
uint32_t palette[256];
int has_palette;
unsigned int audio_bits;
unsigned int audio_channels;
@ -116,8 +118,6 @@ typedef struct IPMVEContext {
int64_t next_chunk_offset;
AVPaletteControl palette_control;
} IPMVEContext;
static int load_ipmovie_packet(IPMVEContext *s, AVIOContext *pb,
@ -162,6 +162,17 @@ static int load_ipmovie_packet(IPMVEContext *s, AVIOContext *pb,
if (av_new_packet(pkt, s->decode_map_chunk_size + s->video_chunk_size))
return CHUNK_NOMEM;
if (s->has_palette) {
uint8_t *pal;
pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE,
AVPALETTE_SIZE);
if (pal) {
memcpy(pal, s->palette, AVPALETTE_SIZE);
s->has_palette = 0;
}
}
pkt->pos= s->decode_map_chunk_offset;
avio_seek(pb, s->decode_map_chunk_offset, SEEK_SET);
s->decode_map_chunk_offset = 0;
@ -456,10 +467,9 @@ static int process_ipmovie_chunk(IPMVEContext *s, AVIOContext *pb,
r = scratch[j++] * 4;
g = scratch[j++] * 4;
b = scratch[j++] * 4;
s->palette_control.palette[i] = (r << 16) | (g << 8) | (b);
s->palette[i] = (r << 16) | (g << 8) | (b);
}
/* indicate a palette change */
s->palette_control.palette_changed = 1;
s->has_palette = 1;
break;
case OPCODE_SET_PALETTE_COMPRESSED:
@ -573,9 +583,6 @@ static int ipmovie_read_header(AVFormatContext *s,
st->codec->height = ipmovie->video_height;
st->codec->bits_per_coded_sample = ipmovie->video_bpp;
/* palette considerations */
st->codec->palctrl = &ipmovie->palette_control;
if (ipmovie->audio_type) {
st = av_new_stream(s, 0);
if (!st)

2
libavformat/isom.h
Unescape View File

@ -123,6 +123,8 @@ typedef struct MOVStreamContext {
int width; ///< tkhd width
int height; ///< tkhd height
int dts_shift; ///< dts shift when ctts is negative
uint32_t palette[256];
int has_palette;
} MOVStreamContext;
typedef struct MOVContext {

20
libavformat/mov.c
Unescape View File

@ -1027,7 +1027,6 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
unsigned int color_start, color_count, color_end;
unsigned char r, g, b;
st->codec->palctrl = av_malloc(sizeof(*st->codec->palctrl));
if (color_greyscale) {
int color_index, color_dec;
/* compute the greyscale palette */
@ -1037,7 +1036,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
color_dec = 256 / (color_count - 1);
for (j = 0; j < color_count; j++) {
r = g = b = color_index;
st->codec->palctrl->palette[j] =
sc->palette[j] =
(r << 16) | (g << 8) | (b);
color_index -= color_dec;
if (color_index < 0)
@ -1058,7 +1057,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
r = color_table[j * 3 + 0];
g = color_table[j * 3 + 1];
b = color_table[j * 3 + 2];
st->codec->palctrl->palette[j] =
sc->palette[j] =
(r << 16) | (g << 8) | (b);
}
} else {
@ -1080,12 +1079,12 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
avio_r8(pb);
b = avio_r8(pb);
avio_r8(pb);
st->codec->palctrl->palette[j] =
sc->palette[j] =
(r << 16) | (g << 8) | (b);
}
}
}
st->codec->palctrl->palette_changed = 1;
sc->has_palette = 1;
}
} else if(st->codec->codec_type==AVMEDIA_TYPE_AUDIO) {
int bits_per_sample, flags;
@ -2433,6 +2432,17 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_get_packet(sc->pb, pkt, sample->size);
if (ret < 0)
return ret;
if (sc->has_palette) {
uint8_t *pal;
pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE, AVPALETTE_SIZE);
if (!pal) {
av_log(mov->fc, AV_LOG_ERROR, "Cannot append palette to packet\n");
} else {
memcpy(pal, sc->palette, AVPALETTE_SIZE);
sc->has_palette = 0;
}
}
#if CONFIG_DV_DEMUXER
if (mov->dv_demux && sc->dv_audio_container) {
dv_produce_packet(mov->dv_demux, pkt, pkt->data, pkt->size);

Write Preview
Loading…
Cancel
Save