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added code to launch a stream and decode and render the stream

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This commit is contained in:
Diego Waxemberg
2014-01-19 20:13:38 -05:00
parent 1ef314d3bd
commit e0cf044d60
16 changed files with 382 additions and 101 deletions
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63
Limelight-iOS/VideoDecoder.m
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@@ -11,41 +11,6 @@
#import "swscale.h"
#include <pthread.h>
@implementation VideoDecoder
- (void)decode:(uint8_t *)buffer length:(unsigned int)length
{
/*for (int i = 0; i < length; i++) {
printf("%02x ", buffer[i]);
if (i != 0 && i % 16 == 0) {
NSLog(@"");
}
}*/
int decStat = nv_avc_decode(buffer, length);
}
- (id) init
{
self = [super init];
nv_avc_init(1280, 720, 0, 2);
return self;
}
// General decoder and renderer state
AVPacket pkt;
AVCodec* decoder;
AVCodecContext* decoder_ctx;
AVFrame* yuv_frame;
AVFrame* dec_frame;
pthread_mutex_t mutex;
// Color conversion and rendering
AVFrame* rgb_frame;
char* rgb_frame_buf;
struct SwsContext* scaler_ctx;
int render_pix_fmt;
#define BYTES_PER_PIXEL 4
// Disables the deblocking filter at the cost of image quality
#define DISABLE_LOOP_FILTER 0x1
// Uses the low latency decode flag (disables multithreading)
@@ -69,6 +34,30 @@ int render_pix_fmt;
// Native color format: RGBA
#define NATIVE_COLOR_RGBA 0x400
@implementation VideoDecoder
- (id) init
{
self = [super init];
nv_avc_init(1280, 720, DISABLE_LOOP_FILTER | FAST_DECODE | FAST_BILINEAR_FILTERING, 1);
return self;
}
// General decoder and renderer state
AVPacket pkt;
AVCodec* decoder;
AVCodecContext* decoder_ctx;
AVFrame* yuv_frame;
AVFrame* dec_frame;
pthread_mutex_t mutex;
// Color conversion and rendering
AVFrame* rgb_frame;
char* rgb_frame_buf;
struct SwsContext* scaler_ctx;
int render_pix_fmt;
#define BYTES_PER_PIXEL 4
// This function must be called before
// any other decoding functions
int nv_avc_init(int width, int height, int perf_lvl, int thread_count) {
@@ -123,7 +112,7 @@ int nv_avc_init(int width, int height, int perf_lvl, int thread_count) {
decoder_ctx->height = height;
decoder_ctx->pix_fmt = PIX_FMT_YUV420P;
render_pix_fmt = AV_PIX_FMT_RGBA;
render_pix_fmt = AV_PIX_FMT_BGR0;
err = avcodec_open2(decoder_ctx, decoder, NULL);
if (err < 0) {
@@ -323,7 +312,7 @@ int nv_avc_get_input_padding_size(void) {
// packets must be decoded in order
// indata must be inlen + FF_INPUT_BUFFER_PADDING_SIZE in length
int nv_avc_decode(unsigned char* indata, int inlen) {
int err;
int err = 0;
int got_pic = 0;
pkt.data = indata;