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Merge commit '70daeacd6ef8b354dd7d2d77ad393831a5bbf033'

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* commit '70daeacd6ef8b354dd7d2d77ad393831a5bbf033':
  PAF demuxer and decoder

Conflicts:
	Changelog
	doc/general.texi
	libavcodec/avcodec.h
	libavcodec/codec_desc.c
	libavcodec/paf.c
	libavcodec/version.h
	libavformat/Makefile
	libavformat/allformats.c
	libavformat/paf.c
	libavformat/version.h

See: 7de4a16508, and others
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-03-28 04:31:42 +01:00
commit 16ddc58bd7
8 changed files with 179 additions and 162 deletions
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2
doc/general.texi
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@ -205,7 +205,7 @@ library:
@item American Laser Games MM @tab @tab X
@tab Multimedia format used in games like Mad Dog McCree.
@item 3GPP AMR @tab X @tab X
@item Amazing Studio Packed Animation File @tab @tab X
@item Amazing Studio Packed Animation File @tab @tab X
@tab Multimedia format used in game Heart Of Darkness.
@item Apple HTTP Live Streaming @tab @tab X
@item Artworx Data Format @tab @tab X

2
libavcodec/avcodec.h
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@ -288,6 +288,7 @@ enum AVCodecID {
AV_CODEC_ID_FIC,
AV_CODEC_ID_ALIAS_PIX,
AV_CODEC_ID_BRENDER_PIX_DEPRECATED,
AV_CODEC_ID_PAF_VIDEO_DEPRECATED,
AV_CODEC_ID_BRENDER_PIX= MKBETAG('B','P','I','X'),
AV_CODEC_ID_Y41P = MKBETAG('Y','4','1','P'),
@ -474,6 +475,7 @@ enum AVCodecID {
AV_CODEC_ID_COMFORT_NOISE,
AV_CODEC_ID_TAK_DEPRECATED,
AV_CODEC_ID_METASOUND,
AV_CODEC_ID_PAF_AUDIO_DEPRECATED,
AV_CODEC_ID_FFWAVESYNTH = MKBETAG('F','F','W','S'),
AV_CODEC_ID_SONIC = MKBETAG('S','O','N','C'),
AV_CODEC_ID_SONIC_LS = MKBETAG('S','O','N','L'),

28
libavcodec/codec_desc.c
View File

@ -1173,13 +1173,6 @@ static const AVCodecDescriptor codec_descriptors[] = {
.long_name = NULL_IF_CONFIG_SMALL("LucasArts SMUSH video"),
.props = AV_CODEC_PROP_LOSSY,
},
{
.id = AV_CODEC_ID_PAF_VIDEO,
.type = AVMEDIA_TYPE_VIDEO,
.name = "paf_video",
.long_name = NULL_IF_CONFIG_SMALL("Amazing Studio Packed Animation File Video"),
.props = AV_CODEC_PROP_LOSSY,
},
{
.id = AV_CODEC_ID_AVRN,
.type = AVMEDIA_TYPE_VIDEO,
@ -1234,6 +1227,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
.long_name = NULL_IF_CONFIG_SMALL("Mirillis FIC"),
.props = AV_CODEC_PROP_LOSSY,
},
{
.id = AV_CODEC_ID_PAF_VIDEO,
.type = AVMEDIA_TYPE_VIDEO,
.name = "paf_video",
.long_name = NULL_IF_CONFIG_SMALL("Amazing Studio Packed Animation File Video"),
.props = AV_CODEC_PROP_LOSSY,
},
{
.id = AV_CODEC_ID_VP7,
.type = AVMEDIA_TYPE_VIDEO,
@ -2411,13 +2411,6 @@ static const AVCodecDescriptor codec_descriptors[] = {
.name = "sonicls",
.long_name = NULL_IF_CONFIG_SMALL("Sonic lossless"),
},
{
.id = AV_CODEC_ID_PAF_AUDIO,
.type = AVMEDIA_TYPE_AUDIO,
.name = "paf_audio",
.long_name = NULL_IF_CONFIG_SMALL("Amazing Studio Packed Animation File Audio"),
.props = AV_CODEC_PROP_LOSSY,
},
{
.id = AV_CODEC_ID_OPUS,
.type = AVMEDIA_TYPE_AUDIO,
@ -2446,6 +2439,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
.long_name = NULL_IF_CONFIG_SMALL("Voxware MetaSound"),
.props = AV_CODEC_PROP_LOSSY,
},
{
.id = AV_CODEC_ID_PAF_AUDIO,
.type = AVMEDIA_TYPE_AUDIO,
.name = "paf_audio",
.long_name = NULL_IF_CONFIG_SMALL("Amazing Studio Packed Animation File Audio"),
.props = AV_CODEC_PROP_LOSSY,
},
{
.id = AV_CODEC_ID_EVRC,
.type = AVMEDIA_TYPE_AUDIO,

251
libavcodec/paf.c
View File

@ -19,16 +19,17 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavcodec/paf.h"
#include "bytestream.h"
#include "avcodec.h"
#include "bytestream.h"
#include "copy_block.h"
#include "internal.h"
#include "mathops.h"
static const uint8_t block_sequences[16][8] =
{
static const uint8_t block_sequences[16][8] = {
{ 0, 0, 0, 0, 0, 0, 0, 0 },
{ 2, 0, 0, 0, 0, 0, 0, 0 },
{ 5, 7, 0, 0, 0, 0, 0, 0 },
@ -44,22 +45,25 @@ static const uint8_t block_sequences[16][8] =
{ 2, 4, 5, 7, 0, 0, 0, 0 },
{ 2, 4, 5, 0, 0, 0, 0, 0 },
{ 2, 4, 6, 0, 0, 0, 0, 0 },
{ 2, 4, 5, 7, 5, 7, 0, 0 }
{ 2, 4, 5, 7, 5, 7, 0, 0 },
};
typedef struct PAFVideoDecContext {
AVFrame *pic;
GetByteContext gb;
int current_frame;
int width;
int height;
int current_frame;
uint8_t *frame[4];
int frame_size;
int video_size;
int frame_size;
int video_size;
uint8_t *opcodes;
} PAFVideoDecContext;
static av_cold int paf_vid_close(AVCodecContext *avctx)
static av_cold int paf_video_close(AVCodecContext *avctx)
{
PAFVideoDecContext *c = avctx->priv_data;
int i;
@ -72,13 +76,18 @@ static av_cold int paf_vid_close(AVCodecContext *avctx)
return 0;
}
static av_cold int paf_vid_init(AVCodecContext *avctx)
static av_cold int paf_video_init(AVCodecContext *avctx)
{
PAFVideoDecContext *c = avctx->priv_data;
int i;
c->width = avctx->width;
c->height = avctx->height;
if (avctx->height & 3 || avctx->width & 3) {
av_log(avctx, AV_LOG_ERROR, "width and height must be multiplies of 4\n");
av_log(avctx, AV_LOG_ERROR,
"width %d and height %d must be multiplie of 4.\n",
avctx->width, avctx->height);
return AVERROR_INVALIDDATA;
}
@ -88,12 +97,12 @@ static av_cold int paf_vid_init(AVCodecContext *avctx)
if (!c->pic)
return AVERROR(ENOMEM);
c->frame_size = FFALIGN(avctx->height, 256) * avctx->width;
c->video_size = avctx->height * avctx->width;
c->frame_size = avctx->width * FFALIGN(avctx->height, 256);
c->video_size = avctx->width * avctx->height;
for (i = 0; i < 4; i++) {
c->frame[i] = av_mallocz(c->frame_size);
if (!c->frame[i]) {
paf_vid_close(avctx);
paf_video_close(avctx);
return AVERROR(ENOMEM);
}
}
@ -101,58 +110,59 @@ static av_cold int paf_vid_init(AVCodecContext *avctx)
return 0;
}
static int get_video_page_offset(AVCodecContext *avctx, uint8_t a, uint8_t b)
static void read4x4block(PAFVideoDecContext *c, uint8_t *dst, int width)
{
int x, y;
x = b & 0x7F;
y = ((a & 0x3F) << 1) | (b >> 7 & 1);
return y * 2 * avctx->width + x * 2;
}
static void copy4h(AVCodecContext *avctx, uint8_t *dst)
{
PAFVideoDecContext *c = avctx->priv_data;
int i;
for (i = 0; i < 4; i++) {
bytestream2_get_buffer(&c->gb, dst, 4);
dst += avctx->width;
dst += width;
}
}
static void copy_color_mask(AVCodecContext *avctx, uint8_t mask, uint8_t *dst, uint8_t color)
static void copy_color_mask(uint8_t *dst, int width, uint8_t mask, uint8_t color)
{
int i;
for (i = 0; i < 4; i++) {
if ((mask >> 4) & (1 << (3 - i)))
if (mask & (1 << 7 - i))
dst[i] = color;
if ((mask & 15) & (1 << (3 - i)))
dst[avctx->width + i] = color;
if (mask & (1 << 3 - i))
dst[width + i] = color;
}
}
static void copy_src_mask(AVCodecContext *avctx, uint8_t mask, uint8_t *dst, const uint8_t *src)
static void copy_src_mask(uint8_t *dst, int width, uint8_t mask, const uint8_t *src)
{
int i;
for (i = 0; i < 4; i++) {
if ((mask >> 4) & (1 << (3 - i)))
if (mask & (1 << 7 - i))
dst[i] = src[i];
if ((mask & 15) & (1 << (3 - i)))
dst[avctx->width + i] = src[avctx->width + i];
if (mask & (1 << 3 - i))
dst[width + i] = src[width + i];
}
}
static int decode_0(AVCodecContext *avctx, uint8_t code, uint8_t *pkt)
static void set_src_position(PAFVideoDecContext *c,
const uint8_t **p,
const uint8_t **pend)
{
int val = bytestream2_get_be16(&c->gb);
int page = val >> 14;
int x = (val & 0x7F);
int y = ((val >> 7) & 0x7F);
*p = c->frame[page] + x * 2 + y * 2 * c->width;
*pend = c->frame[page] + c->frame_size;
}
static int decode_0(PAFVideoDecContext *c, uint8_t *pkt, uint8_t code)
{
PAFVideoDecContext *c = avctx->priv_data;
uint32_t opcode_size, offset;
uint8_t *dst, *dend, mask = 0, color = 0, a, b, p;
uint8_t *dst, *dend, mask = 0, color = 0;
const uint8_t *src, *send, *opcodes;
int i, j, x = 0;
int i, j, op = 0;
i = bytestream2_get_byte(&c->gb);
if (i) {
@ -164,21 +174,22 @@ static int decode_0(AVCodecContext *avctx, uint8_t code, uint8_t *pkt)
bytestream2_skip(&c->gb, 4 - align);
}
do {
a = bytestream2_get_byte(&c->gb);
b = bytestream2_get_byte(&c->gb);
p = (a & 0xC0) >> 6;
dst = c->frame[p] + get_video_page_offset(avctx, a, b);
dend = c->frame[p] + c->frame_size;
offset = (b & 0x7F) * 2;
int page, val, x, y;
val = bytestream2_get_be16(&c->gb);
page = val >> 14;
x = (val & 0x7F) * 2;
y = ((val >> 7) & 0x7F) * 2;
dst = c->frame[page] + x + y * c->width;
dend = c->frame[page] + c->frame_size;
offset = (x & 0x7F) * 2;
j = bytestream2_get_le16(&c->gb) + offset;
do {
offset++;
if (dst + 3 * avctx->width + 4 > dend)
if (dst + 3 * c->width + 4 > dend)
return AVERROR_INVALIDDATA;
copy4h(avctx, dst);
read4x4block(c, dst, c->width);
if ((offset & 0x3F) == 0)
dst += avctx->width * 3;
dst += c->width * 3;
dst += 4;
} while (offset < j);
} while (--i);
@ -187,18 +198,14 @@ static int decode_0(AVCodecContext *avctx, uint8_t code, uint8_t *pkt)
dst = c->frame[c->current_frame];
dend = c->frame[c->current_frame] + c->frame_size;
do {
a = bytestream2_get_byte(&c->gb);
b = bytestream2_get_byte(&c->gb);
p = (a & 0xC0) >> 6;
src = c->frame[p] + get_video_page_offset(avctx, a, b);
send = c->frame[p] + c->frame_size;
if ((src + 3 * avctx->width + 4 > send) ||
(dst + 3 * avctx->width + 4 > dend))
set_src_position(c, &src, &send);
if ((src + 3 * c->width + 4 > send) ||
(dst + 3 * c->width + 4 > dend))
return AVERROR_INVALIDDATA;
copy_block4(dst, src, avctx->width, avctx->width, 4);
copy_block4(dst, src, c->width, c->width, 4);
i++;
if ((i & 0x3F) == 0)
dst += avctx->width * 3;
dst += c->width * 3;
dst += 4;
} while (i < c->video_size / 16);
@ -213,60 +220,53 @@ static int decode_0(AVCodecContext *avctx, uint8_t code, uint8_t *pkt)
dst = c->frame[c->current_frame];
for (i = 0; i < avctx->height; i += 4, dst += avctx->width * 3) {
for (j = 0; j < avctx->width; j += 4, dst += 4) {
for (i = 0; i < c->height; i += 4, dst += c->width * 3)
for (j = 0; j < c->width; j += 4, dst += 4) {
int opcode, k = 0;
if (x > opcode_size)
if (op > opcode_size)
return AVERROR_INVALIDDATA;
if (j & 4) {
opcode = opcodes[x] & 15;
x++;
opcode = opcodes[op] & 15;
op++;
} else {
opcode = opcodes[x] >> 4;
opcode = opcodes[op] >> 4;
}
while (block_sequences[opcode][k]) {
offset = avctx->width * 2;
offset = c->width * 2;
code = block_sequences[opcode][k++];
switch (code) {
case 2:
offset = 0;
case 3:
color = bytestream2_get_byte(&c->gb);
color = bytestream2_get_byte(&c->gb);
case 4:
mask = bytestream2_get_byte(&c->gb);
copy_color_mask(avctx, mask, dst + offset, color);
mask = bytestream2_get_byte(&c->gb);
copy_color_mask(dst + offset, c->width, mask, color);
break;
case 5:
offset = 0;
case 6:
a = bytestream2_get_byte(&c->gb);
b = bytestream2_get_byte(&c->gb);
p = (a & 0xC0) >> 6;
src = c->frame[p] + get_video_page_offset(avctx, a, b);
send = c->frame[p] + c->frame_size;
set_src_position(c, &src, &send);
case 7:
if (src + offset + avctx->width + 4 > send)
if (src + offset + c->width + 4 > send)
return AVERROR_INVALIDDATA;
mask = bytestream2_get_byte(&c->gb);
copy_src_mask(avctx, mask, dst + offset, src + offset);
copy_src_mask(dst + offset, c->width, mask, src + offset);
break;
}
}
}
}
return 0;
}
static int paf_vid_decode(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *pkt)
static int paf_video_decode(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *pkt)
{
PAFVideoDecContext *c = avctx->priv_data;
uint8_t code, *dst, *src, *end;
uint8_t code, *dst, *end;
int i, frame, ret;
if ((ret = ff_reget_buffer(avctx, c->pic)) < 0)
@ -275,12 +275,12 @@ static int paf_vid_decode(AVCodecContext *avctx, void *data,
bytestream2_init(&c->gb, pkt->data, pkt->size);
code = bytestream2_get_byte(&c->gb);
if (code & 0x20) {
if (code & 0x20) { // frame is keyframe
for (i = 0; i < 4; i++)
memset(c->frame[i], 0, c->frame_size);
memset(c->pic->data[1], 0, AVPALETTE_SIZE);
c->current_frame = 0;
c->current_frame = 0;
c->pic->key_frame = 1;
c->pic->pict_type = AV_PICTURE_TYPE_I;
} else {
@ -288,7 +288,7 @@ static int paf_vid_decode(AVCodecContext *avctx, void *data,
c->pic->pict_type = AV_PICTURE_TYPE_P;
}
if (code & 0x40) {
if (code & 0x40) { // palette update
uint32_t *out = (uint32_t *)c->pic->data[1];
int index, count;
@ -297,7 +297,7 @@ static int paf_vid_decode(AVCodecContext *avctx, void *data,
if (index + count > 256)
return AVERROR_INVALIDDATA;
if (bytestream2_get_bytes_left(&c->gb) < 3*count)
if (bytestream2_get_bytes_left(&c->gb) < 3 * count)
return AVERROR_INVALIDDATA;
out += index;
@ -310,24 +310,32 @@ static int paf_vid_decode(AVCodecContext *avctx, void *data,
g = g << 2 | g >> 4;
b = bytestream2_get_byteu(&c->gb);
b = b << 2 | b >> 4;
*out++ = 0xFFU << 24 | r << 16 | g << 8 | b;
*out++ = (0xFFU << 24) | (r << 16) | (g << 8) | b;
}
c->pic->palette_has_changed = 1;
}
switch (code & 0x0F) {
case 0:
if ((ret = decode_0(avctx, code, pkt->data)) < 0)
/* Block-based motion compensation using 4x4 blocks with either
* horizontal or vertical vectors; might incorporate VQ as well. */
if ((ret = decode_0(c, pkt->data, code)) < 0)
return ret;
break;
case 1:
/* Uncompressed data. This mode specifies that (width * height) bytes
* should be copied directly from the encoded buffer into the output. */
dst = c->frame[c->current_frame];
// possibly chunk length data
bytestream2_skip(&c->gb, 2);
if (bytestream2_get_bytes_left(&c->gb) < c->video_size)
return AVERROR_INVALIDDATA;
bytestream2_get_bufferu(&c->gb, dst, c->video_size);
break;
case 2:
/* Copy reference frame: Consume the next byte in the stream as the
* reference frame (which should be 0, 1, 2, or 3, and should not be
* the same as the current frame number). */
frame = bytestream2_get_byte(&c->gb);
if (frame > 3)
return AVERROR_INVALIDDATA;
@ -335,6 +343,7 @@ static int paf_vid_decode(AVCodecContext *avctx, void *data,
memcpy(c->frame[c->current_frame], c->frame[frame], c->frame_size);
break;
case 4:
/* Run length encoding.*/
dst = c->frame[c->current_frame];
end = dst + c->video_size;
@ -364,24 +373,20 @@ static int paf_vid_decode(AVCodecContext *avctx, void *data,
return AVERROR_INVALIDDATA;
}
dst = c->pic->data[0];
src = c->frame[c->current_frame];
for (i = 0; i < avctx->height; i++) {
memcpy(dst, src, avctx->width);
dst += c->pic->linesize[0];
src += avctx->width;
}
av_image_copy_plane(c->pic->data[0], c->pic->linesize[0],
c->frame[c->current_frame], c->width,
c->width, c->height);
c->current_frame = (c->current_frame + 1) & 3;
if ((ret = av_frame_ref(data, c->pic)) < 0)
return ret;
*got_frame = 1;
*got_frame = 1;
return pkt->size;
}
static av_cold int paf_aud_init(AVCodecContext *avctx)
static av_cold int paf_audio_init(AVCodecContext *avctx)
{
if (avctx->channels != 2) {
av_log(avctx, AV_LOG_ERROR, "invalid number of channels\n");
@ -394,14 +399,14 @@ static av_cold int paf_aud_init(AVCodecContext *avctx)
return 0;
}
static int paf_aud_decode(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *pkt)
static int paf_audio_decode(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *pkt)
{
AVFrame *frame = data;
uint8_t *buf = pkt->data;
int16_t *output_samples;
const uint8_t *t;
int frames, ret, i, j, k;
const uint8_t *src = pkt->data;
int frames, ret, i, j;
int16_t cb[256];
frames = pkt->size / PAF_SOUND_FRAME_SIZE;
if (frames < 1)
@ -412,40 +417,42 @@ static int paf_aud_decode(AVCodecContext *avctx, void *data,
return ret;
output_samples = (int16_t *)frame->data[0];
for (i = 0; i < frames; i++) {
t = buf + 256 * sizeof(uint16_t);
for (j = 0; j < PAF_SOUND_SAMPLES; j++) {
for (k = 0; k < 2; k++) {
*output_samples++ = AV_RL16(buf + *t * 2);
t++;
}
}
buf += PAF_SOUND_FRAME_SIZE;
// codebook of 256 16-bit samples and 8-bit indices to it
for (j = 0; j < frames; j++) {
for (i = 0; i < 256; i++)
cb[i] = sign_extend(AV_RL16(src + i * 2), 16);
src += 256 * 2;
// always 2 channels
for (i = 0; i < PAF_SOUND_SAMPLES * 2; i++)
*output_samples++ = cb[*src++];
}
*got_frame_ptr = 1;
*got_frame = 1;
return pkt->size;
}
#if CONFIG_PAF_VIDEO_DECODER
AVCodec ff_paf_video_decoder = {
.name = "paf_video",
.long_name = NULL_IF_CONFIG_SMALL("Amazing Studio Packed Animation File Video"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PAF_VIDEO,
.priv_data_size = sizeof(PAFVideoDecContext),
.init = paf_vid_init,
.close = paf_vid_close,
.decode = paf_vid_decode,
.init = paf_video_init,
.close = paf_video_close,
.decode = paf_video_decode,
.capabilities = CODEC_CAP_DR1,
};
#endif
#if CONFIG_PAF_AUDIO_DECODER
AVCodec ff_paf_audio_decoder = {
.name = "paf_audio",
.long_name = NULL_IF_CONFIG_SMALL("Amazing Studio Packed Animation File Audio"),
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_PAF_AUDIO,
.init = paf_aud_init,
.decode = paf_aud_decode,
.capabilities = CODEC_CAP_DR1,
.name = "paf_audio",
.long_name = NULL_IF_CONFIG_SMALL("Amazing Studio Packed Animation File Audio"),
.type = AVMEDIA_TYPE_AUDIO,
.id = AV_CODEC_ID_PAF_AUDIO,
.init = paf_audio_init,
.decode = paf_audio_decode,
.capabilities = CODEC_CAP_DR1,
};
#endif

2
libavcodec/utils.c
View File

@ -2678,10 +2678,12 @@ static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
case AV_CODEC_ID_BRENDER_PIX_DEPRECATED: return AV_CODEC_ID_BRENDER_PIX;
case AV_CODEC_ID_OPUS_DEPRECATED: return AV_CODEC_ID_OPUS;
case AV_CODEC_ID_TAK_DEPRECATED : return AV_CODEC_ID_TAK;
case AV_CODEC_ID_PAF_AUDIO_DEPRECATED : return AV_CODEC_ID_PAF_AUDIO;
case AV_CODEC_ID_PCM_S24LE_PLANAR_DEPRECATED : return AV_CODEC_ID_PCM_S24LE_PLANAR;
case AV_CODEC_ID_PCM_S32LE_PLANAR_DEPRECATED : return AV_CODEC_ID_PCM_S32LE_PLANAR;
case AV_CODEC_ID_ESCAPE130_DEPRECATED : return AV_CODEC_ID_ESCAPE130;
case AV_CODEC_ID_G2M_DEPRECATED : return AV_CODEC_ID_G2M;
case AV_CODEC_ID_PAF_VIDEO_DEPRECATED : return AV_CODEC_ID_PAF_VIDEO;
case AV_CODEC_ID_WEBP_DEPRECATED: return AV_CODEC_ID_WEBP;
case AV_CODEC_ID_HEVC_DEPRECATED: return AV_CODEC_ID_HEVC;
default : return id;

2
libavcodec/version.h
View File

@ -30,7 +30,7 @@
#define LIBAVCODEC_VERSION_MAJOR 55
#define LIBAVCODEC_VERSION_MINOR 55
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_MICRO 102
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \

52
libavformat/paf.c
View File

@ -44,13 +44,13 @@ typedef struct {
uint32_t *blocks_offset_table;
uint8_t *video_frame;
int video_size;
int video_size;
uint8_t *audio_frame;
uint8_t *temp_audio_frame;
int audio_size;
int audio_size;
int got_audio;
int got_audio;
} PAFDemuxContext;
static int read_probe(AVProbeData *p)
@ -87,10 +87,10 @@ static void read_table(AVFormatContext *s, uint32_t *table, uint32_t count)
static int read_header(AVFormatContext *s)
{
PAFDemuxContext *p = s->priv_data;
PAFDemuxContext *p = s->priv_data;
AVIOContext *pb = s->pb;
AVStream *ast, *vst;
int ret = 0;
int ret = 0;
avio_skip(pb, 132);
@ -101,11 +101,13 @@ static int read_header(AVFormatContext *s)
vst->start_time = 0;
vst->nb_frames =
vst->duration =
p->nb_frames = avio_rl32(pb);
p->nb_frames = avio_rl32(pb);
avio_skip(pb, 4);
vst->codec->width = avio_rl32(pb);
vst->codec->height = avio_rl32(pb);
avio_skip(pb, 4);
vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
vst->codec->codec_tag = 0;
vst->codec->codec_id = AV_CODEC_ID_PAF_VIDEO;
@ -115,13 +117,13 @@ static int read_header(AVFormatContext *s)
if (!ast)
return AVERROR(ENOMEM);
ast->start_time = 0;
ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
ast->codec->codec_tag = 0;
ast->codec->codec_id = AV_CODEC_ID_PAF_AUDIO;
ast->codec->channels = 2;
ast->start_time = 0;
ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
ast->codec->codec_tag = 0;
ast->codec->codec_id = AV_CODEC_ID_PAF_AUDIO;
ast->codec->channels = 2;
ast->codec->channel_layout = AV_CH_LAYOUT_STEREO;
ast->codec->sample_rate = 22050;
ast->codec->sample_rate = 22050;
avpriv_set_pts_info(ast, 64, 1, 22050);
p->buffer_size = avio_rl32(pb);
@ -143,16 +145,19 @@ static int read_header(AVFormatContext *s)
p->frame_blks > INT_MAX / sizeof(uint32_t))
return AVERROR_INVALIDDATA;
p->blocks_count_table = av_mallocz(p->nb_frames * sizeof(uint32_t));
p->frames_offset_table = av_mallocz(p->nb_frames * sizeof(uint32_t));
p->blocks_offset_table = av_mallocz(p->frame_blks * sizeof(uint32_t));
p->blocks_count_table = av_mallocz(p->nb_frames *
sizeof(*p->blocks_count_table));
p->frames_offset_table = av_mallocz(p->nb_frames *
sizeof(*p->frames_offset_table));
p->blocks_offset_table = av_mallocz(p->frame_blks *
sizeof(*p->blocks_offset_table));
p->video_size = p->max_video_blks * p->buffer_size;
p->video_frame = av_mallocz(p->video_size);
p->video_size = p->max_video_blks * p->buffer_size;
p->video_frame = av_mallocz(p->video_size);
p->audio_size = p->max_audio_blks * p->buffer_size;
p->audio_frame = av_mallocz(p->audio_size);
p->temp_audio_frame = av_mallocz(p->audio_size);
p->audio_size = p->max_audio_blks * p->buffer_size;
p->audio_frame = av_mallocz(p->audio_size);
p->temp_audio_frame = av_mallocz(p->audio_size);
if (!p->blocks_count_table ||
!p->frames_offset_table ||
@ -186,7 +191,7 @@ fail:
static int read_packet(AVFormatContext *s, AVPacket *pkt)
{
PAFDemuxContext *p = s->priv_data;
PAFDemuxContext *p = s->priv_data;
AVIOContext *pb = s->pb;
uint32_t count, offset;
int size, i;
@ -209,7 +214,8 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
return pkt->size;
}
count = (p->current_frame == 0) ? p->preload_count : p->blocks_count_table[p->current_frame - 1];
count = (p->current_frame == 0) ? p->preload_count
: p->blocks_count_table[p->current_frame - 1];
for (i = 0; i < count; i++) {
if (p->current_frame_block >= p->frame_blks)
return AVERROR_INVALIDDATA;
@ -245,7 +251,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->duration = 1;
memcpy(pkt->data, p->video_frame + p->frames_offset_table[p->current_frame], size);
if (pkt->data[0] & 0x20)
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->flags |= AV_PKT_FLAG_KEY;
p->current_frame++;
return pkt->size;

2
libavformat/version.h
View File

@ -31,7 +31,7 @@
#define LIBAVFORMAT_VERSION_MAJOR 55
#define LIBAVFORMAT_VERSION_MINOR 35
#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_MICRO 102
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \