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Telegram-Android/TMessagesProj/jni/gifvideo.cpp
xaxtix 3b4919a542 Update to 8.5.1
2022-02-12 08:22:45 +03:00

1400 lines
50 KiB
C++
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#include <jni.h>
#include <android/bitmap.h>
#include <cstdint>
#include <limits>
#include <string>
#include <unistd.h>
#include <linux/stat.h>
#include <asm/fcntl.h>
#include <fcntl.h>
#include <libyuv.h>
#include <tgnet/FileLog.h>
#include "tgnet/ConnectionsManager.h"
#include "voip/webrtc/common_video/h264/sps_parser.h"
#include "voip/webrtc/common_video/h264/h264_common.h"
#include "c_utils.h"
extern "C" {
#include <libavformat/avformat.h>
#include <libavformat/isom.h>
#include <libavcodec/bytestream.h>
#include <libavcodec/get_bits.h>
#include <libavcodec/golomb.h>
#include <libavutil/eval.h>
#include <libavutil/intmath.h>
#include <libswscale/swscale.h>
}
#define RGB8888_A(p) ((p & (0xff<<24)) >> 24 )
static const std::string av_make_error_str(int errnum) {
char errbuf[AV_ERROR_MAX_STRING_SIZE];
av_strerror(errnum, errbuf, AV_ERROR_MAX_STRING_SIZE);
return (std::string) errbuf;
}
#undef av_err2str
#define av_err2str(errnum) av_make_error_str(errnum).c_str()
#define FFMPEG_AVSEEK_SIZE 0x10000
jclass jclass_AnimatedFileDrawableStream;
jmethodID jclass_AnimatedFileDrawableStream_read;
jmethodID jclass_AnimatedFileDrawableStream_cancel;
jmethodID jclass_AnimatedFileDrawableStream_isFinishedLoadingFile;
jmethodID jclass_AnimatedFileDrawableStream_getFinishedFilePath;
typedef struct H2645NAL {
uint8_t *rbsp_buffer;
int size;
const uint8_t *data;
int size_bits;
int raw_size;
const uint8_t *raw_data;
int type;
int temporal_id;
int nuh_layer_id;
int skipped_bytes;
int skipped_bytes_pos_size;
int *skipped_bytes_pos;
int ref_idc;
GetBitContext gb;
} H2645NAL;
typedef struct H2645RBSP {
uint8_t *rbsp_buffer;
AVBufferRef *rbsp_buffer_ref;
int rbsp_buffer_alloc_size;
int rbsp_buffer_size;
} H2645RBSP;
typedef struct H2645Packet {
H2645NAL *nals;
H2645RBSP rbsp;
int nb_nals;
int nals_allocated;
unsigned nal_buffer_size;
} H2645Packet;
void ff_h2645_packet_uninit(H2645Packet *pkt) {
int i;
for (i = 0; i < pkt->nals_allocated; i++) {
av_freep(&pkt->nals[i].skipped_bytes_pos);
}
av_freep(&pkt->nals);
pkt->nals_allocated = pkt->nal_buffer_size = 0;
if (pkt->rbsp.rbsp_buffer_ref) {
av_buffer_unref(&pkt->rbsp.rbsp_buffer_ref);
pkt->rbsp.rbsp_buffer = NULL;
} else
av_freep(&pkt->rbsp.rbsp_buffer);
pkt->rbsp.rbsp_buffer_alloc_size = pkt->rbsp.rbsp_buffer_size = 0;
}
typedef struct VideoInfo {
~VideoInfo() {
if (video_dec_ctx) {
avcodec_close(video_dec_ctx);
video_dec_ctx = nullptr;
}
if (fmt_ctx) {
avformat_close_input(&fmt_ctx);
fmt_ctx = nullptr;
}
if (frame) {
av_frame_free(&frame);
frame = nullptr;
}
if (src) {
delete [] src;
src = nullptr;
}
if (stream != nullptr) {
JNIEnv *jniEnv = nullptr;
JavaVMAttachArgs jvmArgs;
jvmArgs.version = JNI_VERSION_1_6;
bool attached;
if (JNI_EDETACHED == javaVm->GetEnv((void **) &jniEnv, JNI_VERSION_1_6)) {
javaVm->AttachCurrentThread(&jniEnv, &jvmArgs);
attached = true;
} else {
attached = false;
}
jniEnv->DeleteGlobalRef(stream);
if (attached) {
javaVm->DetachCurrentThread();
}
stream = nullptr;
}
if (ioContext != nullptr) {
if (ioContext->buffer) {
av_freep(&ioContext->buffer);
}
avio_context_free(&ioContext);
ioContext = nullptr;
}
if (sws_ctx != nullptr) {
sws_freeContext(sws_ctx);
sws_ctx = nullptr;
}
if (fd >= 0) {
close(fd);
fd = -1;
}
ff_h2645_packet_uninit(&h2645Packet);
av_packet_unref(&orig_pkt);
video_stream_idx = -1;
video_stream = nullptr;
audio_stream = nullptr;
}
AVFormatContext *fmt_ctx = nullptr;
char *src = nullptr;
int video_stream_idx = -1;
AVStream *video_stream = nullptr;
AVStream *audio_stream = nullptr;
AVCodecContext *video_dec_ctx = nullptr;
AVFrame *frame = nullptr;
bool has_decoded_frames = false;
AVPacket pkt;
AVPacket orig_pkt;
bool stopped = false;
bool seeking = false;
int firstWidth = 0;
int firstHeight = 0;
bool dropFrames = false;
H2645Packet h2645Packet = {nullptr};
int32_t dst_linesize[1];
struct SwsContext *sws_ctx = nullptr;
AVIOContext *ioContext = nullptr;
unsigned char *ioBuffer = nullptr;
jobject stream = nullptr;
int32_t account = 0;
int fd = -1;
int64_t file_size = 0;
int64_t last_seek_p = 0;
};
void custom_log(void *ptr, int level, const char* fmt, va_list vl){
va_list vl2;
char line[1024];
static int print_prefix = 1;
va_copy(vl2, vl);
av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
va_end(vl2);
LOGE(line);
}
static enum AVPixelFormat get_format(AVCodecContext *ctx,
const enum AVPixelFormat *pix_fmts)
{
const enum AVPixelFormat *p;
for (p = pix_fmts; *p != -1; p++) {
LOGE("available format %d", p);
}
return pix_fmts[0];
}
int open_codec_context(int *stream_idx, AVCodecContext **dec_ctx, AVFormatContext *fmt_ctx, enum AVMediaType type) {
int ret, stream_index;
AVStream *st;
AVCodec *dec = NULL;
AVDictionary *opts = NULL;
ret = av_find_best_stream(fmt_ctx, type, -1, -1, NULL, 0);
if (ret < 0) {
LOGE("can't find %s stream in input file", av_get_media_type_string(type));
return ret;
} else {
stream_index = ret;
st = fmt_ctx->streams[stream_index];
dec = avcodec_find_decoder(st->codecpar->codec_id);
if (!dec) {
LOGE("failed to find %s codec", av_get_media_type_string(type));
return AVERROR(EINVAL);
}
*dec_ctx = avcodec_alloc_context3(dec);
if (!*dec_ctx) {
LOGE("Failed to allocate the %s codec context", av_get_media_type_string(type));
return AVERROR(ENOMEM);
}
if ((ret = avcodec_parameters_to_context(*dec_ctx, st->codecpar)) < 0) {
LOGE("Failed to copy %s codec parameters to decoder context", av_get_media_type_string(type));
return ret;
}
av_dict_set(&opts, "refcounted_frames", "1", 0);
if ((ret = avcodec_open2(*dec_ctx, dec, &opts)) < 0) {
LOGE("Failed to open %s codec", av_get_media_type_string(type));
return ret;
}
*stream_idx = stream_index;
}
return 0;
}
#define MAX_MBPAIR_SIZE (256*1024)
int ff_h2645_extract_rbsp(const uint8_t *src, int length, H2645RBSP *rbsp, H2645NAL *nal)
{
int i, si, di;
uint8_t *dst;
nal->skipped_bytes = 0;
#define STARTCODE_TEST \
if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) { \
if (src[i + 2] != 3 && src[i + 2] != 0) { \
/* startcode, so we must be past the end */ \
length = i; \
} \
break; \
}
for (i = 0; i + 1 < length; i += 2) {
if (src[i])
continue;
if (i > 0 && src[i - 1] == 0)
i--;
STARTCODE_TEST;
}
if (i > length)
i = length;
nal->rbsp_buffer = &rbsp->rbsp_buffer[rbsp->rbsp_buffer_size];
dst = nal->rbsp_buffer;
memcpy(dst, src, i);
si = di = i;
while (si + 2 < length) {
if (src[si + 2] > 3) {
dst[di++] = src[si++];
dst[di++] = src[si++];
} else if (src[si] == 0 && src[si + 1] == 0 && src[si + 2] != 0) {
if (src[si + 2] == 3) {
dst[di++] = 0;
dst[di++] = 0;
si += 3;
if (nal->skipped_bytes_pos) {
nal->skipped_bytes++;
if (nal->skipped_bytes_pos_size < nal->skipped_bytes) {
nal->skipped_bytes_pos_size *= 2;
av_reallocp_array(&nal->skipped_bytes_pos,
nal->skipped_bytes_pos_size,
sizeof(*nal->skipped_bytes_pos));
if (!nal->skipped_bytes_pos) {
nal->skipped_bytes_pos_size = 0;
return AVERROR(ENOMEM);
}
}
if (nal->skipped_bytes_pos)
nal->skipped_bytes_pos[nal->skipped_bytes-1] = di - 1;
}
continue;
} else // next start code
goto nsc;
}
dst[di++] = src[si++];
}
while (si < length)
dst[di++] = src[si++];
nsc:
memset(dst + di, 0, AV_INPUT_BUFFER_PADDING_SIZE);
nal->data = dst;
nal->size = di;
nal->raw_data = src;
nal->raw_size = si;
rbsp->rbsp_buffer_size += si;
return si;
}
static inline int get_nalsize(int nal_length_size, const uint8_t *buf, int buf_size, int *buf_index) {
int i, nalsize = 0;
if (*buf_index >= buf_size - nal_length_size) {
return AVERROR(EAGAIN);
}
for (i = 0; i < nal_length_size; i++)
nalsize = ((unsigned)nalsize << 8) | buf[(*buf_index)++];
if (nalsize <= 0 || nalsize > buf_size - *buf_index) {
return AVERROR_INVALIDDATA;
}
return nalsize;
}
static int find_next_start_code(const uint8_t *buf, const uint8_t *next_avc) {
int i = 0;
if (buf + 3 >= next_avc)
return next_avc - buf;
while (buf + i + 3 < next_avc) {
if (buf[i] == 0 && buf[i + 1] == 0 && buf[i + 2] == 1)
break;
i++;
}
return i + 3;
}
static int get_bit_length(H2645NAL *nal, int skip_trailing_zeros) {
int size = nal->size;
int v;
while (skip_trailing_zeros && size > 0 && nal->data[size - 1] == 0)
size--;
if (!size)
return 0;
v = nal->data[size - 1];
if (size > INT_MAX / 8)
return AVERROR(ERANGE);
size *= 8;
/* remove the stop bit and following trailing zeros,
* or nothing for damaged bitstreams */
if (v)
size -= ff_ctz(v) + 1;
return size;
}
static void alloc_rbsp_buffer(H2645RBSP *rbsp, unsigned int size) {
int min_size = size;
if (size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
goto fail;
size += AV_INPUT_BUFFER_PADDING_SIZE;
if (rbsp->rbsp_buffer_alloc_size >= size &&
(!rbsp->rbsp_buffer_ref || av_buffer_is_writable(rbsp->rbsp_buffer_ref))) {
memset(rbsp->rbsp_buffer + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
return;
}
size = FFMIN(size + size / 16 + 32, INT_MAX);
if (rbsp->rbsp_buffer_ref)
av_buffer_unref(&rbsp->rbsp_buffer_ref);
else
av_free(rbsp->rbsp_buffer);
rbsp->rbsp_buffer = (uint8_t *) av_mallocz(size);
if (!rbsp->rbsp_buffer)
goto fail;
rbsp->rbsp_buffer_alloc_size = size;
return;
fail:
rbsp->rbsp_buffer_alloc_size = 0;
if (rbsp->rbsp_buffer_ref) {
av_buffer_unref(&rbsp->rbsp_buffer_ref);
rbsp->rbsp_buffer = NULL;
} else
av_freep(&rbsp->rbsp_buffer);
return;
}
static int h264_parse_nal_header(H2645NAL *nal) {
GetBitContext *gb = &nal->gb;
if (get_bits1(gb) != 0)
return AVERROR_INVALIDDATA;
nal->ref_idc = get_bits(gb, 2);
nal->type = get_bits(gb, 5);
return 1;
}
int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length, int is_nalff, int nal_length_size) {
GetByteContext bc;
int consumed, ret = 0;
int next_avc = is_nalff ? 0 : length;
int64_t padding = MAX_MBPAIR_SIZE;
bytestream2_init(&bc, buf, length);
alloc_rbsp_buffer(&pkt->rbsp, length + padding);
if (!pkt->rbsp.rbsp_buffer)
return AVERROR(ENOMEM);
pkt->rbsp.rbsp_buffer_size = 0;
pkt->nb_nals = 0;
while (bytestream2_get_bytes_left(&bc) >= 4) {
H2645NAL *nal;
int extract_length = 0;
int skip_trailing_zeros = 1;
if (bytestream2_tell(&bc) == next_avc) {
int i = 0;
extract_length = get_nalsize(nal_length_size, bc.buffer, bytestream2_get_bytes_left(&bc), &i);
if (extract_length < 0)
return extract_length;
bytestream2_skip(&bc, nal_length_size);
next_avc = bytestream2_tell(&bc) + extract_length;
} else {
int buf_index;
buf_index = find_next_start_code(bc.buffer, buf + next_avc);
bytestream2_skip(&bc, buf_index);
if (!bytestream2_get_bytes_left(&bc)) {
if (pkt->nb_nals > 0) {
return 0;
} else {
return AVERROR_INVALIDDATA;
}
}
extract_length = FFMIN(bytestream2_get_bytes_left(&bc), next_avc - bytestream2_tell(&bc));
if (bytestream2_tell(&bc) >= next_avc) {
bytestream2_skip(&bc, next_avc - bytestream2_tell(&bc));
continue;
}
}
if (pkt->nals_allocated < pkt->nb_nals + 1) {
int new_size = pkt->nals_allocated + 1;
void *tmp;
if (new_size >= INT_MAX / sizeof(*pkt->nals))
return AVERROR(ENOMEM);
tmp = av_fast_realloc(pkt->nals, &pkt->nal_buffer_size, new_size * sizeof(*pkt->nals));
if (!tmp)
return AVERROR(ENOMEM);
pkt->nals = (H2645NAL *) tmp;
memset(pkt->nals + pkt->nals_allocated, 0, sizeof(*pkt->nals));
nal = &pkt->nals[pkt->nb_nals];
nal->skipped_bytes_pos_size = 1024;
nal->skipped_bytes_pos = (int *) av_malloc_array(nal->skipped_bytes_pos_size, sizeof(*nal->skipped_bytes_pos));
if (!nal->skipped_bytes_pos)
return AVERROR(ENOMEM);
pkt->nals_allocated = new_size;
}
nal = &pkt->nals[pkt->nb_nals];
consumed = ff_h2645_extract_rbsp(bc.buffer, extract_length, &pkt->rbsp, nal);
if (consumed < 0)
return consumed;
pkt->nb_nals++;
bytestream2_skip(&bc, consumed);
/* see commit 3566042a0 */
if (bytestream2_get_bytes_left(&bc) >= 4 &&
bytestream2_peek_be32(&bc) == 0x000001E0)
skip_trailing_zeros = 0;
nal->size_bits = get_bit_length(nal, skip_trailing_zeros);
ret = init_get_bits(&nal->gb, nal->data, nal->size_bits);
if (ret < 0)
return ret;
ret = h264_parse_nal_header(nal);
if (ret <= 0 || nal->size <= 0 || nal->size_bits <= 0) {
pkt->nb_nals--;
}
}
return 0;
}
#define MAX_SPS_COUNT 32
const uint8_t ff_zigzag_direct[64] = {
0, 1, 8, 16, 9, 2, 3, 10,
17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34,
27, 20, 13, 6, 7, 14, 21, 28,
35, 42, 49, 56, 57, 50, 43, 36,
29, 22, 15, 23, 30, 37, 44, 51,
58, 59, 52, 45, 38, 31, 39, 46,
53, 60, 61, 54, 47, 55, 62, 63
};
const uint8_t ff_zigzag_scan[16+1] = {
0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4,
1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4,
3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
};
static int decode_scaling_list(GetBitContext *gb, uint8_t *factors, int size) {
int i, last = 8, next = 8;
const uint8_t *scan = size == 16 ? ff_zigzag_scan : ff_zigzag_direct;
if (!get_bits1(gb)) {
} else {
for (i = 0; i < size; i++) {
if (next) {
int v = get_se_golomb(gb);
if (v < -128 || v > 127) {
return AVERROR_INVALIDDATA;
}
next = (last + v) & 0xff;
}
if (!i && !next) { /* matrix not written, we use the preset one */
break;
}
last = factors[scan[i]] = next ? next : last;
}
}
return 0;
}
static int decode_scaling_matrices(GetBitContext *gb, int chroma_format_idc, uint8_t(*scaling_matrix4)[16], uint8_t(*scaling_matrix8)[64]) {
int ret = 0;
if (get_bits1(gb)) {
ret |= decode_scaling_list(gb, scaling_matrix4[0], 16); // Intra, Y
ret |= decode_scaling_list(gb, scaling_matrix4[1], 16); // Intra, Cr
ret |= decode_scaling_list(gb, scaling_matrix4[2], 16); // Intra, Cb
ret |= decode_scaling_list(gb, scaling_matrix4[3], 16); // Inter, Y
ret |= decode_scaling_list(gb, scaling_matrix4[4], 16); // Inter, Cr
ret |= decode_scaling_list(gb, scaling_matrix4[5], 16); // Inter, Cb
ret |= decode_scaling_list(gb, scaling_matrix8[0], 64); // Intra, Y
ret |= decode_scaling_list(gb, scaling_matrix8[3], 64); // Inter, Y
if (chroma_format_idc == 3) {
ret |= decode_scaling_list(gb, scaling_matrix8[1], 64); // Intra, Cr
ret |= decode_scaling_list(gb, scaling_matrix8[4], 64); // Inter, Cr
ret |= decode_scaling_list(gb, scaling_matrix8[2], 64); // Intra, Cb
ret |= decode_scaling_list(gb, scaling_matrix8[5], 64); // Inter, Cb
}
if (!ret)
ret = 1;
}
return ret;
}
int ff_h264_decode_seq_parameter_set(GetBitContext *gb, int &width, int &height) {
int profile_idc, level_idc, constraint_set_flags = 0;
unsigned int sps_id;
int i, log2_max_frame_num_minus4;
int ret;
profile_idc = get_bits(gb, 8);
constraint_set_flags |= get_bits1(gb) << 0;
constraint_set_flags |= get_bits1(gb) << 1;
constraint_set_flags |= get_bits1(gb) << 2;
constraint_set_flags |= get_bits1(gb) << 3;
constraint_set_flags |= get_bits1(gb) << 4;
constraint_set_flags |= get_bits1(gb) << 5;
skip_bits(gb, 2);
level_idc = get_bits(gb, 8);
sps_id = get_ue_golomb_31(gb);
if (sps_id >= MAX_SPS_COUNT) {
return false;
}
if (profile_idc == 100 || // High profile
profile_idc == 110 || // High10 profile
profile_idc == 122 || // High422 profile
profile_idc == 244 || // High444 Predictive profile
profile_idc == 44 || // Cavlc444 profile
profile_idc == 83 || // Scalable Constrained High profile (SVC)
profile_idc == 86 || // Scalable High Intra profile (SVC)
profile_idc == 118 || // Stereo High profile (MVC)
profile_idc == 128 || // Multiview High profile (MVC)
profile_idc == 138 || // Multiview Depth High profile (MVCD)
profile_idc == 144) { // old High444 profile
int chroma_format_idc = get_ue_golomb_31(gb);
if (chroma_format_idc > 3U) {
return false;
} else if (chroma_format_idc == 3) {
int residual_color_transform_flag = get_bits1(gb);
if (residual_color_transform_flag) {
return false;
}
}
int bit_depth_luma = get_ue_golomb(gb) + 8;
int bit_depth_chroma = get_ue_golomb(gb) + 8;
if (bit_depth_chroma != bit_depth_luma) {
return false;
}
if (bit_depth_luma < 8 || bit_depth_luma > 14 || bit_depth_chroma < 8 || bit_depth_chroma > 14) {
return false;
}
get_bits1(gb);
uint8_t scaling_matrix4[6][16];
uint8_t scaling_matrix8[6][64];
ret = decode_scaling_matrices(gb, chroma_format_idc, scaling_matrix4, scaling_matrix8);
if (ret < 0)
return false;
}
get_ue_golomb(gb);
int poc_type = get_ue_golomb_31(gb);
if (poc_type == 0) {
unsigned t = get_ue_golomb(gb);
if (t > 12) {
return false;
}
} else if (poc_type == 1) {
get_bits1(gb);
int offset_for_non_ref_pic = get_se_golomb_long(gb);
int offset_for_top_to_bottom_field = get_se_golomb_long(gb);
if (offset_for_non_ref_pic == INT32_MIN || offset_for_top_to_bottom_field == INT32_MIN) {
return false;
}
int poc_cycle_length = get_ue_golomb(gb);
if ((unsigned) poc_cycle_length >= 256) {
return false;
}
for (i = 0; i < poc_cycle_length; i++) {
int offset_for_ref_frame = get_se_golomb_long(gb);
if (offset_for_ref_frame == INT32_MIN) {
return false;
}
}
} else if (poc_type != 2) {
return false;
}
get_ue_golomb_31(gb);
get_bits1(gb);
int mb_width = get_ue_golomb(gb) + 1;
int mb_height = get_ue_golomb(gb) + 1;
if (width == 0 || height == 0) {
width = mb_width;
height = mb_height;
}
return mb_width != width || mb_height != height;
}
int decode_packet(VideoInfo *info, int *got_frame) {
int ret = 0;
int decoded = info->pkt.size;
*got_frame = 0;
if (info->pkt.stream_index == info->video_stream_idx) {
if (info->video_stream->codecpar->codec_id == AV_CODEC_ID_H264 && decoded > 0) {
ff_h2645_packet_split(&info->h2645Packet, info->pkt.data, info->pkt.size, 1, 4);
for (int i = 0; i < info->h2645Packet.nb_nals; i++) {
H2645NAL *nal = &info->h2645Packet.nals[i];
switch (nal->type) {
case 7: {
GetBitContext tmp_gb = nal->gb;
info->dropFrames = ff_h264_decode_seq_parameter_set(&tmp_gb, info->firstWidth, info->firstHeight);
}
}
}
}
if (!info->dropFrames) {
ret = avcodec_decode_video2(info->video_dec_ctx, info->frame, got_frame, &info->pkt);
if (ret != 0) {
return ret;
}
}
}
return decoded;
}
void requestFd(VideoInfo *info) {
JNIEnv *jniEnv = nullptr;
JavaVMAttachArgs jvmArgs;
jvmArgs.version = JNI_VERSION_1_6;
bool attached;
if (JNI_EDETACHED == javaVm->GetEnv((void **) &jniEnv, JNI_VERSION_1_6)) {
javaVm->AttachCurrentThread(&jniEnv, &jvmArgs);
attached = true;
} else {
attached = false;
}
jniEnv->CallIntMethod(info->stream, jclass_AnimatedFileDrawableStream_read, (jint) 0, (jint) 1);
jboolean loaded = jniEnv->CallBooleanMethod(info->stream, jclass_AnimatedFileDrawableStream_isFinishedLoadingFile);
if (loaded) {
delete[] info->src;
jstring src = (jstring) jniEnv->CallObjectMethod(info->stream, jclass_AnimatedFileDrawableStream_getFinishedFilePath);
char const *srcString = jniEnv->GetStringUTFChars(src, 0);
size_t len = strlen(srcString);
info->src = new char[len + 1];
memcpy(info->src, srcString, len);
info->src[len] = '\0';
if (srcString != 0) {
jniEnv->ReleaseStringUTFChars(src, srcString);
}
}
if (attached) {
javaVm->DetachCurrentThread();
}
info->fd = open(info->src, O_RDONLY, S_IRUSR);
}
int readCallback(void *opaque, uint8_t *buf, int buf_size) {
VideoInfo *info = (VideoInfo *) opaque;
if (!info->stopped) {
if (info->fd < 0) {
requestFd(info);
}
if (info->fd >= 0) {
if (info->last_seek_p + buf_size > info->file_size) {
buf_size = (int) (info->file_size - info->last_seek_p);
}
if (buf_size > 0) {
JNIEnv *jniEnv = nullptr;
JavaVMAttachArgs jvmArgs;
jvmArgs.version = JNI_VERSION_1_6;
bool attached;
if (JNI_EDETACHED == javaVm->GetEnv((void **) &jniEnv, JNI_VERSION_1_6)) {
javaVm->AttachCurrentThread(&jniEnv, &jvmArgs);
attached = true;
} else {
attached = false;
}
buf_size = jniEnv->CallIntMethod(info->stream, jclass_AnimatedFileDrawableStream_read, (jint) info->last_seek_p, (jint) buf_size);
info->last_seek_p += buf_size;
if (attached) {
javaVm->DetachCurrentThread();
}
int ret = (int) read(info->fd, buf, (size_t) buf_size);
return ret ? ret : AVERROR_EOF;
}
}
}
return AVERROR_EOF;
}
int64_t seekCallback(void *opaque, int64_t offset, int whence) {
VideoInfo *info = (VideoInfo *) opaque;
if (!info->stopped) {
if (info->fd < 0) {
requestFd(info);
}
if (info->fd >= 0) {
if (whence & FFMPEG_AVSEEK_SIZE) {
return info->file_size;
} else {
info->last_seek_p = offset;
lseek(info->fd, off_t(offset), SEEK_SET);
return offset;
}
}
}
return 0;
}
enum PARAM_NUM {
PARAM_NUM_SUPPORTED_VIDEO_CODEC = 0,
PARAM_NUM_WIDTH = 1,
PARAM_NUM_HEIGHT = 2,
PARAM_NUM_BITRATE = 3,
PARAM_NUM_DURATION = 4,
PARAM_NUM_AUDIO_FRAME_SIZE = 5,
PARAM_NUM_VIDEO_FRAME_SIZE = 6,
PARAM_NUM_FRAMERATE = 7,
PARAM_NUM_ROTATION = 8,
PARAM_NUM_SUPPORTED_AUDIO_CODEC = 9,
PARAM_NUM_HAS_AUDIO = 10,
PARAM_NUM_COUNT = 11,
};
extern "C" JNIEXPORT void JNICALL Java_org_telegram_ui_Components_AnimatedFileDrawable_getVideoInfo(JNIEnv *env, jclass clazz,jint sdkVersion, jstring src, jintArray data) {
VideoInfo *info = new VideoInfo();
char const *srcString = env->GetStringUTFChars(src, 0);
size_t len = strlen(srcString);
info->src = new char[len + 1];
memcpy(info->src, srcString, len);
info->src[len] = '\0';
if (srcString != nullptr) {
env->ReleaseStringUTFChars(src, srcString);
}
int ret;
if ((ret = avformat_open_input(&info->fmt_ctx, info->src, NULL, NULL)) < 0) {
LOGE("can't open source file %s, %s", info->src, av_err2str(ret));
delete info;
return;
}
if ((ret = avformat_find_stream_info(info->fmt_ctx, NULL)) < 0) {
LOGE("can't find stream information %s, %s", info->src, av_err2str(ret));
delete info;
return;
}
if ((ret = av_find_best_stream(info->fmt_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, NULL, 0)) >= 0) {
info->video_stream = info->fmt_ctx->streams[ret];
}
if ((ret = av_find_best_stream(info->fmt_ctx, AVMEDIA_TYPE_AUDIO, -1, -1, NULL, 0)) >= 0) {
info->audio_stream = info->fmt_ctx->streams[ret];
}
if (info->video_stream == nullptr) {
LOGE("can't find video stream in the input, aborting %s", info->src);
delete info;
return;
}
jint *dataArr = env->GetIntArrayElements(data, 0);
if (dataArr != nullptr) {
//https://developer.android.com/guide/topics/media/media-formats
dataArr[PARAM_NUM_SUPPORTED_VIDEO_CODEC] =
info->video_stream->codecpar->codec_id == AV_CODEC_ID_H264 ||
info->video_stream->codecpar->codec_id == AV_CODEC_ID_H263 ||
info->video_stream->codecpar->codec_id == AV_CODEC_ID_MPEG4 ||
info->video_stream->codecpar->codec_id == AV_CODEC_ID_VP8 ||
info->video_stream->codecpar->codec_id == AV_CODEC_ID_VP9 ||
(sdkVersion > 21 && info->video_stream->codecpar->codec_id == AV_CODEC_ID_HEVC);
if (strstr(info->fmt_ctx->iformat->name, "mov") != 0 && dataArr[PARAM_NUM_SUPPORTED_VIDEO_CODEC]) {
MOVStreamContext *mov = (MOVStreamContext *) info->video_stream->priv_data;
dataArr[PARAM_NUM_VIDEO_FRAME_SIZE] = (jint) mov->data_size;
if (info->audio_stream != nullptr) {
mov = (MOVStreamContext *) info->audio_stream->priv_data;
dataArr[PARAM_NUM_AUDIO_FRAME_SIZE] = (jint) mov->data_size;
}
}
if (info->audio_stream != nullptr) {
//https://developer.android.com/guide/topics/media/media-formats
dataArr[PARAM_NUM_SUPPORTED_AUDIO_CODEC] =
info->audio_stream->codecpar->codec_id == AV_CODEC_ID_AAC ||
info->audio_stream->codecpar->codec_id == AV_CODEC_ID_AAC_LATM ||
info->audio_stream->codecpar->codec_id == AV_CODEC_ID_VORBIS ||
info->audio_stream->codecpar->codec_id == AV_CODEC_ID_AMR_NB ||
info->audio_stream->codecpar->codec_id == AV_CODEC_ID_AMR_WB ||
info->audio_stream->codecpar->codec_id == AV_CODEC_ID_FLAC ||
info->audio_stream->codecpar->codec_id == AV_CODEC_ID_MP3 ||
// not supported codec, skip audio in this case
info->audio_stream->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
(sdkVersion > 21 && info->audio_stream->codecpar->codec_id == AV_CODEC_ID_OPUS);
dataArr[PARAM_NUM_HAS_AUDIO] = 1;
} else {
dataArr[PARAM_NUM_HAS_AUDIO] = 0;
}
dataArr[PARAM_NUM_BITRATE] = (jint) info->video_stream->codecpar->bit_rate;
dataArr[PARAM_NUM_WIDTH] = info->video_stream->codecpar->width;
dataArr[PARAM_NUM_HEIGHT] = info->video_stream->codecpar->height;
AVDictionaryEntry *rotate_tag = av_dict_get(info->video_stream->metadata, "rotate", NULL, 0);
if (rotate_tag && *rotate_tag->value && strcmp(rotate_tag->value, "0") != 0) {
char *tail;
dataArr[PARAM_NUM_ROTATION] = (jint) av_strtod(rotate_tag->value, &tail);
if (*tail) {
dataArr[PARAM_NUM_ROTATION] = 0;
}
} else {
dataArr[PARAM_NUM_ROTATION] = 0;
}
if (info->video_stream->codecpar->codec_id == AV_CODEC_ID_H264 || info->video_stream->codecpar->codec_id == AV_CODEC_ID_HEVC) {
dataArr[PARAM_NUM_FRAMERATE] = (jint) av_q2d(info->video_stream->avg_frame_rate);
} else {
dataArr[PARAM_NUM_FRAMERATE] = (jint) av_q2d(info->video_stream->r_frame_rate);
}
dataArr[PARAM_NUM_DURATION] = (int32_t) (info->fmt_ctx->duration * 1000 / AV_TIME_BASE);
env->ReleaseIntArrayElements(data, dataArr, 0);
delete info;
}
}
extern "C" JNIEXPORT jlong JNICALL Java_org_telegram_ui_Components_AnimatedFileDrawable_createDecoder(JNIEnv *env, jclass clazz, jstring src, jintArray data, jint account, jlong streamFileSize, jobject stream, jboolean preview) {
VideoInfo *info = new VideoInfo();
char const *srcString = env->GetStringUTFChars(src, 0);
size_t len = strlen(srcString);
info->src = new char[len + 1];
memcpy(info->src, srcString, len);
info->src[len] = '\0';
if (srcString != 0) {
env->ReleaseStringUTFChars(src, srcString);
}
int ret;
if (streamFileSize != 0) {
info->file_size = streamFileSize;
info->stream = env->NewGlobalRef(stream);
info->account = account;
info->fd = open(info->src, O_RDONLY, S_IRUSR);
info->ioBuffer = (unsigned char *) av_malloc(64 * 1024);
info->ioContext = avio_alloc_context(info->ioBuffer, 64 * 1024, 0, info, readCallback, nullptr, seekCallback);
if (info->ioContext == nullptr) {
delete info;
return 0;
}
info->fmt_ctx = avformat_alloc_context();
info->fmt_ctx->pb = info->ioContext;
AVDictionary *options = NULL;
av_dict_set(&options, "usetoc", "1", 0);
ret = avformat_open_input(&info->fmt_ctx, "http://localhost/file", NULL, &options);
av_dict_free(&options);
if (ret < 0) {
LOGE("can't open source file %s, %s", info->src, av_err2str(ret));
delete info;
return 0;
}
info->fmt_ctx->flags |= AVFMT_FLAG_FAST_SEEK;
if (preview) {
info->fmt_ctx->flags |= AVFMT_FLAG_NOBUFFER;
}
} else {
if ((ret = avformat_open_input(&info->fmt_ctx, info->src, NULL, NULL)) < 0) {
LOGE("can't open source file %s, %s", info->src, av_err2str(ret));
delete info;
return 0;
}
}
if ((ret = avformat_find_stream_info(info->fmt_ctx, NULL)) < 0) {
LOGE("can't find stream information %s, %s", info->src, av_err2str(ret));
delete info;
return 0;
}
if (open_codec_context(&info->video_stream_idx, &info->video_dec_ctx, info->fmt_ctx, AVMEDIA_TYPE_VIDEO) >= 0) {
info->video_stream = info->fmt_ctx->streams[info->video_stream_idx];
}
if (info->video_stream == nullptr) {
LOGE("can't find video stream in the input, aborting %s", info->src);
delete info;
return 0;
}
info->frame = av_frame_alloc();
if (info->frame == nullptr) {
LOGE("can't allocate frame %s", info->src);
delete info;
return 0;
}
av_init_packet(&info->pkt);
info->pkt.data = NULL;
info->pkt.size = 0;
jint *dataArr = env->GetIntArrayElements(data, 0);
if (dataArr != nullptr) {
dataArr[0] = info->video_dec_ctx->width;
dataArr[1] = info->video_dec_ctx->height;
//float pixelWidthHeightRatio = info->video_dec_ctx->sample_aspect_ratio.num / info->video_dec_ctx->sample_aspect_ratio.den; TODO support
AVDictionaryEntry *rotate_tag = av_dict_get(info->video_stream->metadata, "rotate", NULL, 0);
if (rotate_tag && *rotate_tag->value && strcmp(rotate_tag->value, "0")) {
char *tail;
dataArr[2] = (jint) av_strtod(rotate_tag->value, &tail);
if (*tail) {
dataArr[2] = 0;
}
} else {
dataArr[2] = 0;
}
dataArr[4] = (int32_t) (info->fmt_ctx->duration * 1000 / AV_TIME_BASE);
//(int32_t) (1000 * info->video_stream->duration * av_q2d(info->video_stream->time_base));
env->ReleaseIntArrayElements(data, dataArr, 0);
}
//LOGD("successfully opened file %s", info->src);
return (jlong) (intptr_t) info;
}
extern "C" JNIEXPORT void JNICALL Java_org_telegram_ui_Components_AnimatedFileDrawable_destroyDecoder(JNIEnv *env, jclass clazz, jlong ptr) {
if (ptr == NULL) {
return;
}
VideoInfo *info = (VideoInfo *) (intptr_t) ptr;
if (info->stream != nullptr) {
JNIEnv *jniEnv = nullptr;
JavaVMAttachArgs jvmArgs;
jvmArgs.version = JNI_VERSION_1_6;
bool attached;
if (JNI_EDETACHED == javaVm->GetEnv((void **) &jniEnv, JNI_VERSION_1_6)) {
javaVm->AttachCurrentThread(&jniEnv, &jvmArgs);
attached = true;
} else {
attached = false;
}
jniEnv->CallVoidMethod(info->stream, jclass_AnimatedFileDrawableStream_cancel);
if (attached) {
javaVm->DetachCurrentThread();
}
}
delete info;
}
extern "C" JNIEXPORT void JNICALL Java_org_telegram_ui_Components_AnimatedFileDrawable_stopDecoder(JNIEnv *env, jclass clazz, jlong ptr) {
if (ptr == NULL) {
return;
}
VideoInfo *info = (VideoInfo *) (intptr_t) ptr;
info->stopped = true;
}
extern "C" JNIEXPORT void JNICALL Java_org_telegram_ui_Components_AnimatedFileDrawable_prepareToSeek(JNIEnv *env, jclass clazz, jlong ptr) {
if (ptr == NULL) {
return;
}
VideoInfo *info = (VideoInfo *) (intptr_t) ptr;
info->seeking = true;
}
extern "C" JNIEXPORT void JNICALL Java_org_telegram_ui_Components_AnimatedFileDrawable_seekToMs(JNIEnv *env, jclass clazz, jlong ptr, jlong ms, jboolean precise) {
if (ptr == NULL) {
return;
}
VideoInfo *info = (VideoInfo *) (intptr_t) ptr;
info->seeking = false;
int64_t pts = (int64_t) (ms / av_q2d(info->video_stream->time_base) / 1000);
int ret = 0;
if ((ret = av_seek_frame(info->fmt_ctx, info->video_stream_idx, pts, AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_FRAME)) < 0) {
LOGE("can't seek file %s, %s", info->src, av_err2str(ret));
return;
} else {
avcodec_flush_buffers(info->video_dec_ctx);
if (!precise) {
return;
}
int got_frame = 0;
int32_t tries = 1000;
while (tries > 0) {
if (info->pkt.size == 0) {
ret = av_read_frame(info->fmt_ctx, &info->pkt);
if (ret >= 0) {
info->orig_pkt = info->pkt;
}
}
if (info->pkt.size > 0) {
ret = decode_packet(info, &got_frame);
if (ret < 0) {
if (info->has_decoded_frames) {
ret = 0;
}
info->pkt.size = 0;
} else {
info->pkt.data += ret;
info->pkt.size -= ret;
}
if (info->pkt.size == 0) {
av_packet_unref(&info->orig_pkt);
}
} else {
info->pkt.data = NULL;
info->pkt.size = 0;
ret = decode_packet(info, &got_frame);
if (ret < 0) {
return;
}
if (got_frame == 0) {
av_seek_frame(info->fmt_ctx, info->video_stream_idx, 0, AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_FRAME);
return;
}
}
if (ret < 0) {
return;
}
if (got_frame) {
info->has_decoded_frames = true;
bool finished = false;
if (info->frame->format == AV_PIX_FMT_YUV444P || info->frame->format == AV_PIX_FMT_YUV420P || info->frame->format == AV_PIX_FMT_BGRA || info->frame->format == AV_PIX_FMT_YUVJ420P) {
int64_t pkt_pts = info->frame->best_effort_timestamp;
if (pkt_pts >= pts) {
finished = true;
}
}
av_frame_unref(info->frame);
if (finished) {
return;
}
}
tries--;
}
}
}
uint32_t premultiply_channel_value(const uint32_t pixel, const uint8_t offset, const float normalizedAlpha) {
auto multipliedValue = ((pixel >> offset) & 0xFF) * normalizedAlpha;
return ((uint32_t)std::min(multipliedValue, 255.0f)) << offset;
}
static inline void writeFrameToBitmap(JNIEnv *env, VideoInfo *info, jintArray data, jobject bitmap, jint stride) {
jint *dataArr = env->GetIntArrayElements(data, 0);
int32_t wantedWidth;
int32_t wantedHeight;
AndroidBitmapInfo bitmapInfo;
AndroidBitmap_getInfo(env, bitmap, &bitmapInfo);
int32_t bitmapWidth = bitmapInfo.width;
int32_t bitmapHeight = bitmapInfo.height;
if (dataArr != nullptr) {
wantedWidth = dataArr[0];
wantedHeight = dataArr[1];
dataArr[3] = (jint) (1000 * info->frame->best_effort_timestamp * av_q2d(info->video_stream->time_base));
env->ReleaseIntArrayElements(data, dataArr, 0);
} else {
wantedWidth = bitmapWidth;
wantedHeight = bitmapHeight;
}
if (wantedWidth == info->frame->width && wantedHeight == info->frame->height || wantedWidth == info->frame->height && wantedHeight == info->frame->width) {
void *pixels;
if (AndroidBitmap_lockPixels(env, bitmap, &pixels) >= 0) {
if (info->sws_ctx == nullptr) {
if (info->frame->format > AV_PIX_FMT_NONE && info->frame->format < AV_PIX_FMT_NB && info->frame->format != AV_PIX_FMT_YUVA420P) {
info->sws_ctx = sws_getContext(info->frame->width, info->frame->height, (AVPixelFormat) info->frame->format, bitmapWidth, bitmapHeight, AV_PIX_FMT_RGBA, SWS_BILINEAR, NULL, NULL, NULL);
} else if (info->video_dec_ctx->pix_fmt > AV_PIX_FMT_NONE && info->video_dec_ctx->pix_fmt < AV_PIX_FMT_NB && info->frame->format != AV_PIX_FMT_YUVA420P) {
info->sws_ctx = sws_getContext(info->video_dec_ctx->width, info->video_dec_ctx->height, info->video_dec_ctx->pix_fmt, bitmapWidth, bitmapHeight, AV_PIX_FMT_RGBA, SWS_BILINEAR, NULL, NULL, NULL);
}
}
if (info->sws_ctx == nullptr || ((intptr_t) pixels) % 16 != 0) {
if (info->frame->format == AV_PIX_FMT_YUVA420P) {
libyuv::I420AlphaToARGBMatrix(info->frame->data[0], info->frame->linesize[0], info->frame->data[2], info->frame->linesize[2], info->frame->data[1], info->frame->linesize[1], info->frame->data[3], info->frame->linesize[3], (uint8_t *) pixels, bitmapWidth * 4, &libyuv::kYvuI601Constants, bitmapWidth, bitmapHeight, 1);
} else if (info->frame->format == AV_PIX_FMT_YUV444P) {
libyuv::H444ToARGB(info->frame->data[0], info->frame->linesize[0], info->frame->data[2], info->frame->linesize[2], info->frame->data[1], info->frame->linesize[1], (uint8_t *) pixels, bitmapWidth * 4, bitmapWidth, bitmapHeight);
} else if (info->frame->format == AV_PIX_FMT_YUV420P || info->frame->format == AV_PIX_FMT_YUVJ420P) {
if (info->frame->colorspace == AVColorSpace::AVCOL_SPC_BT709) {
libyuv::H420ToARGB(info->frame->data[0], info->frame->linesize[0], info->frame->data[2], info->frame->linesize[2], info->frame->data[1], info->frame->linesize[1], (uint8_t *) pixels, bitmapWidth * 4, bitmapWidth, bitmapHeight);
} else {
libyuv::I420ToARGB(info->frame->data[0], info->frame->linesize[0], info->frame->data[2], info->frame->linesize[2], info->frame->data[1], info->frame->linesize[1], (uint8_t *) pixels, bitmapWidth * 4, bitmapWidth, bitmapHeight);
}
} else if (info->frame->format == AV_PIX_FMT_BGRA) {
libyuv::ABGRToARGB(info->frame->data[0], info->frame->linesize[0], (uint8_t *) pixels, info->frame->width * 4, info->frame->width, info->frame->height);
}
} else {
uint8_t __attribute__ ((aligned (16))) *dst_data[1];
dst_data[0] = (uint8_t *) pixels;
info->dst_linesize[0] = stride;
sws_scale(info->sws_ctx, info->frame->data, info->frame->linesize, 0, info->frame->height, dst_data, info->dst_linesize);
}
}
AndroidBitmap_unlockPixels(env, bitmap);
}
}
extern "C" JNIEXPORT int JNICALL Java_org_telegram_ui_Components_AnimatedFileDrawable_getFrameAtTime(JNIEnv *env, jclass clazz, jlong ptr, jlong ms, jobject bitmap, jintArray data, jint stride) {
if (ptr == NULL || bitmap == nullptr || data == nullptr) {
return 0;
}
VideoInfo *info = (VideoInfo *) (intptr_t) ptr;
info->seeking = false;
int64_t pts = (int64_t) (ms / av_q2d(info->video_stream->time_base) / 1000);
int ret = 0;
if ((ret = av_seek_frame(info->fmt_ctx, info->video_stream_idx, pts, AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_FRAME)) < 0) {
LOGE("can't seek file %s, %s", info->src, av_err2str(ret));
return 0;
} else {
avcodec_flush_buffers(info->video_dec_ctx);
int got_frame = 0;
int32_t tries = 1000;
bool readNextPacket = true;
while (tries > 0) {
if (info->pkt.size == 0 && readNextPacket) {
ret = av_read_frame(info->fmt_ctx, &info->pkt);
if (ret >= 0) {
info->orig_pkt = info->pkt;
}
}
if (info->pkt.size > 0) {
ret = decode_packet(info, &got_frame);
if (ret < 0) {
if (info->has_decoded_frames) {
ret = 0;
}
info->pkt.size = 0;
} else {
info->pkt.data += ret;
info->pkt.size -= ret;
}
if (info->pkt.size == 0) {
av_packet_unref(&info->orig_pkt);
}
} else {
info->pkt.data = NULL;
info->pkt.size = 0;
ret = decode_packet(info, &got_frame);
if (ret < 0) {
return 0;
}
if (got_frame == 0) {
av_seek_frame(info->fmt_ctx, info->video_stream_idx, 0, AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_FRAME);
return 0;
}
}
if (ret < 0) {
return 0;
}
if (got_frame) {
bool finished = false;
if (info->frame->format == AV_PIX_FMT_YUV444P || info->frame->format == AV_PIX_FMT_YUV420P || info->frame->format == AV_PIX_FMT_BGRA || info->frame->format == AV_PIX_FMT_YUVJ420P) {
int64_t pkt_pts = info->frame->best_effort_timestamp;
bool isLastPacket = false;
if (info->pkt.size == 0) {
readNextPacket = false;
isLastPacket = av_read_frame(info->fmt_ctx, &info->pkt) < 0;
}
if (pkt_pts >= pts || isLastPacket) {
writeFrameToBitmap(env, info, data, bitmap, stride);
finished = true;
}
}
av_frame_unref(info->frame);
if (finished) {
return 1;
}
} else {
readNextPacket = true;
}
tries--;
}
return 0;
}
}
extern "C" JNIEXPORT jint JNICALL Java_org_telegram_ui_Components_AnimatedFileDrawable_getVideoFrame(JNIEnv *env, jclass clazz, jlong ptr, jobject bitmap, jintArray data, jint stride, jboolean preview, jfloat start_time, jfloat end_time) {
if (ptr == NULL || bitmap == nullptr) {
return 0;
}
//int64_t time = ConnectionsManager::getInstance(0).getCurrentTimeMonotonicMillis();
VideoInfo *info = (VideoInfo *) (intptr_t) ptr;
int ret = 0;
int got_frame = 0;
int32_t triesCount = preview ? 50 : 6;
//info->has_decoded_frames = false;
while (!info->stopped && triesCount != 0) {
if (info->pkt.size == 0) {
ret = av_read_frame(info->fmt_ctx, &info->pkt);
if (ret >= 0) {
double pts = info->pkt.pts * av_q2d(info->video_stream->time_base);
if (end_time > 0 && info->pkt.stream_index == info->video_stream_idx && pts > end_time) {
av_packet_unref(&info->pkt);
info->pkt.data = NULL;
info->pkt.size = 0;
} else {
info->orig_pkt = info->pkt;
}
}
}
if (info->pkt.size > 0) {
ret = decode_packet(info, &got_frame);
if (ret < 0) {
if (info->has_decoded_frames) {
ret = 0;
}
info->pkt.size = 0;
} else {
//LOGD("read size %d from packet", ret);
info->pkt.data += ret;
info->pkt.size -= ret;
}
if (info->pkt.size == 0) {
av_packet_unref(&info->orig_pkt);
}
} else {
info->pkt.data = NULL;
info->pkt.size = 0;
ret = decode_packet(info, &got_frame);
if (ret < 0) {
LOGE("can't decode packet flushed %s", info->src);
return 0;
}
if (!preview && got_frame == 0) {
if (info->has_decoded_frames) {
int64_t start_from = 0;
if (start_time > 0) {
start_from = (int64_t)(start_time / av_q2d(info->video_stream->time_base));
}
if ((ret = av_seek_frame(info->fmt_ctx, info->video_stream_idx, start_from, AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_FRAME)) < 0) {
LOGE("can't seek to begin of file %s, %s", info->src, av_err2str(ret));
return 0;
} else {
avcodec_flush_buffers(info->video_dec_ctx);
}
}
}
}
if (ret < 0 || info->seeking) {
return 0;
}
if (got_frame) {
//LOGD("decoded frame with w = %d, h = %d, format = %d", info->frame->width, info->frame->height, info->frame->format);
if (info->frame->format == AV_PIX_FMT_YUV420P || info->frame->format == AV_PIX_FMT_BGRA || info->frame->format == AV_PIX_FMT_YUVJ420P || info->frame->format == AV_PIX_FMT_YUV444P || info->frame->format == AV_PIX_FMT_YUVA420P) {
writeFrameToBitmap(env, info, data, bitmap, stride);
}
info->has_decoded_frames = true;
av_frame_unref(info->frame);
return 1;
}
if (!info->has_decoded_frames) {
triesCount--;
}
}
return 0;
}
extern "C" jint videoOnJNILoad(JavaVM *vm, JNIEnv *env) {
//av_log_set_callback(custom_log);
jclass_AnimatedFileDrawableStream = (jclass) env->NewGlobalRef(env->FindClass("org/telegram/messenger/AnimatedFileDrawableStream"));
if (jclass_AnimatedFileDrawableStream == 0) {
return JNI_FALSE;
}
jclass_AnimatedFileDrawableStream_read = env->GetMethodID(jclass_AnimatedFileDrawableStream, "read", "(II)I");
if (jclass_AnimatedFileDrawableStream_read == 0) {
return JNI_FALSE;
}
jclass_AnimatedFileDrawableStream_cancel = env->GetMethodID(jclass_AnimatedFileDrawableStream, "cancel", "()V");
if (jclass_AnimatedFileDrawableStream_cancel == 0) {
return JNI_FALSE;
}
jclass_AnimatedFileDrawableStream_isFinishedLoadingFile = env->GetMethodID(jclass_AnimatedFileDrawableStream, "isFinishedLoadingFile", "()Z");
if (jclass_AnimatedFileDrawableStream_isFinishedLoadingFile == 0) {
return JNI_FALSE;
}
jclass_AnimatedFileDrawableStream_getFinishedFilePath = env->GetMethodID(jclass_AnimatedFileDrawableStream, "getFinishedFilePath", "()Ljava/lang/String;");
if (jclass_AnimatedFileDrawableStream_getFinishedFilePath == 0) {
return JNI_FALSE;
}
return JNI_TRUE;
}
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