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🎥 Command line media player
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C
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849#include <libavcodec/avcodec.h>
#include "common/common.h"#include "mp_image.h"#include "player/screenshot.h"
#include "image_loader.h"
struct mp_image *load_image_png_buf(void *buffer, size_t buffer_size, int imgfmt){ const AVCodec *codec = avcodec_find_decoder(AV_CODEC_ID_PNG); if (!codec) return NULL;
AVCodecContext *avctx = avcodec_alloc_context3(codec); if (!avctx) return NULL;
if (avcodec_open2(avctx, codec, NULL) < 0) { avcodec_free_context(&avctx); return NULL; }
AVPacket *pkt = av_packet_alloc(); if (pkt) { if (av_new_packet(pkt, buffer_size) >= 0) memcpy(pkt->data, buffer, buffer_size); }
// (There is only 1 outcome: either it takes it and decodes it, or not.) avcodec_send_packet(avctx, pkt); avcodec_send_packet(avctx, NULL);
av_packet_free(&pkt);
struct mp_image *res = NULL; AVFrame *frame = av_frame_alloc(); if (frame && avcodec_receive_frame(avctx, frame) >= 0) { struct mp_image *r = mp_image_from_av_frame(frame); if (r) res = convert_image(r, imgfmt, NULL, mp_null_log); talloc_free(r); } av_frame_free(&frame);
avcodec_free_context(&avctx); return res;}